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Complete
Range ofElectricalStandardProducts
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Larsen & Toubro Limited
Switchgear Factory, Mumbai
Manufacturing Facilities
Distribution
International Sales
L&T's manufacturing facilities for
standard switchgear products are at
M u m b a i , A h m e d n a g a r a n d
Coimbatore. These facilities followworld-class processes including
Lean Manufacturing, Forced Draft
Ventilation System, TQM, Value
Engineering, JIT and Six Sigma. The
manufacturing units have a testing
facility that includes 85kA short
circuit test station.
The quality management systems at
L&T's factories conform to ISO 9001
& ISO 14000 Standards.
L&T Switchgear is available through
a network of more than 500
authorized stockists, one of the
largest distribution networks in the
industry.
L&T Swi tchgear has found
acceptance not only in India but has
customers in over 40 countries like
Malaysia, Singapore, Taiwan, China,
Hong Kong, Indonesia, Sri Lanka,
Bangladesh, UAE, Qatar, Oman,
Bahrain, Saudi Arabia, Kuwait, Iran,
Turkey, Egypt, Nigeria, Kenya and
UK to name a few.
Switchgear Factory, Ahmednagar
The Company
Larsen & Toubro infuses engineeringwith imagination. The Company
offers a wide range of advanced
solutions in the field of Engineering,
Construction, Electrical & Auto-
mation, Machinery and Information
Technology.
L&T Switchgear, a part of the
Electrical & Automation business, is
India's largest manufacturer of low
voltage switchgear, with the scale,
sophistication and range to meetglobal benchmarks. With over five
decades of experience in this field,
the Company today enjoys a
leadership position in the Indian
market with a growing international
presence.
It offers a complete range of products
including powergear, controlgear,
industrial automation, building
electricals & automation, reactive
power management, Energy
management services, energy
meters, and protective relays. These
products conform to Indian and
International Standards.
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Environment & Community
The Company has a comprehensive
Quality, Environment and Safety
m a n a g e m e n t s y s t e m . T h e
manufacturing facilities conform
to ISO 14001(Environmental
Management System) & OHSAS
18001 by BVQI.L&T has taken a number of
community initiatives in rural & semi-
urban areas across the country.
These include health checkup
camps like cancer detection, eye
checkup, and general checkup in
partnership with the stockists. L&T
s u p p o r t s s c h o o l s t h r o u g h
distribution of PCs, books, and
uniforms and providing teaching
staff. L&T has also come to the
rescue of common man at the time of
natural calamities like floods and
earthquakes, helping the community
by distributing clothes, food and
essential commodities.
Training Centre, Pune
Training
L&T's Switchgear training centers at
Pune, Lucknow and Coonoor have
state-of-the-art training facilities with
well equipped workshops and
testing systems. Training programs
are designed to suit the needs of
electrical professionals from various
areas like maintenance, projects,
panel design and consultancy. Over
90,000 participants have benefitedfrom these programs.
After Sales Service
The Company has over 40 branch
offices across the country and a
network of over 100 service centers
to deliver after-sales-service to its
customers.
A range of service solutions is
available to support the switchgear,
right from installation till the
complete life cycle. They come in the
form of preventive maintenance,
breakdown maintenance, retrofits
and upgrades.
Training Centre, Lucknow
Segment Focus
L&T has a wide range of products &
solut ions to address every
customer requirement.
The Company has dedicated
specialists for vital segments like
Industry, OEM, Agriculture, Building
and Utilities.
Training Centre, Coonoor
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A complete range of
Electrical Standard Products
Complete Range of Electrical Standard Products
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Ai r Circui t Breakers
Energy Management System-
Moulded Case Circuit Breakers
Switch Disconnector Fuses
High Rupturing Capacity Fuses
Changeover Switches
Contactors & Thermal Overload Relays
Definite Purpose Contactors
AC Induction Motors-
Starters
Soft Starters-
Motor Protection Circuit Breakers-
AC Inverter Drives
Programmable Logic Controllers
Programmable Smart Relay
AC Servo Systems
Rotary Switches
Digital Protective Relays
Reactive Power Management Solutions
Control Accessories
Current Transformers
Indicating Meters
Electronic Energy Meters
Modular Devices-
Modular Devices-
Wiring Accessories-
Lighting & Comfort Solution-
Building Management System-
Security & Surveillance System-
Automatic Transfer Contro ller Auxc-1000
L1000 Elevator Drive
Human Machine Interface-
Busbar Trunking System
Wires
Fire Detection & Alarm System
L1000
Energy Efficiency Solutions-
Medium Voltage Product Air Insulated Switchgear
p werman
New
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COT NS
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Complete Range of Electrical Standard Products
1
IRCIRI BRE KE
A
CUT
ARS
C-POWER
Conforms to
IS/IEC 60947-2 & IEC 60947-2 Comprehensive range: 400A to
6300A
Ics=Icu=Icw across the complete
range for total selectivity / discrimi-
nation
Proven track record of over350,000 installations in 40 years
High mechanical and electrical
life
Optimally designed ACBs with
low watt loss and temperature rise
Elegant design and rugged
construction
Suitable for direct termination of
aluminium links
In-built mechanical anti-pumping
feature
Distinct 'maintenance' position in
draw-out ACBs
Common depth and height up to
4000A
marking for the complete range
C-POWER S1 Range
630A to 3200A in two frame sizes in
draw-out version
Ics=Icu=Icw (for 1sec) for complete
selectivity
Optimally designed ACBs with
low watt loss and temperature rise
High mechanical & electrical life
In-built mechanical anti-pumping
feature
Common depth & height across the
range
Common accessories with C-Power
Suitable for direct termination of
aluminum links
Protection ReleaseComprehensive range of micro-
processor based protection and
control units with true-RMS sensing,
self-powered protections, fault
annunciation & communication
capabilities. Conforms to EMI / EMC
standards.
- Offers comprehensive
protection for overload, short circuit,
instantaneous, earth fault and
neutral overload, power metering,
communication & other advanced
features
- Overload, short circuit,
instantaneous and earth fault
protection with zone-selective
interlocking
- Overload, shortcircuit, instantaneous and earth
fault protection
SR71
SR21i
SR18/18G
C-POWER
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2
Conforms toIS/IEC 60947-2 & IEC 60947-2
400A to 6300A in three optimizedframe sizes
Standard 100% neutral rating, 50%
and 200% neutral ratings also
available
Common height and depth across
the range Suitable for direct termination of
aluminum links
No derating at higher ambients
Unique arc chute interlocking
prevents breaker closing when arc
chute is missing
Smart racking shutter ensures
total safety in racking operations
Unique pole design ensures energy
saving through low watt loss
Independent locking of ON / OFF
buttons
Tool-less fixing of voltmetric
releases
Display of complete accessory
information on front facia
U-POWEROMEGA
IRCIRI BRE KE
A
CUT
ARS
ENEGYMAE N
SYSEM
R
NAGMETT
Matrix System
Unique OLED display
Metering for current, % loading
voltage, power, energy, PF,
frequency & THD
Modular design provides flexibilityin selection of features
Touch screen interface for setting
parameter in UW-MTX 4.5 version
& bargraph display
Event & trip history recording
Possible to integrate with any
Energy Management System
lProtection against EF & REF
DIN rail mountable modules for
advance protections
Conforms to EMI/EMC standards
for metering
Data communications through
Modbus, Profibus & Zigbee
protocol
Smart-card for quick paramete-
risation of protection releases
like REF,
ZSI, Temp. monitoring
Manage different types of loads
like: electricity, water, gas, steam
Comprehens ive solu t ion for
protection and power management
Customized single line diagram ofpower system
Integrates all communicable L&T
products viz. ACBs, meters and
PLCs
Intuitive web-based Graphical User
Interface (GUI)
Remote real-time monitoring and
data acquisition
Comprehensive reporting and
alarm management
Real-time and historical trending
Multi-level password protection
'N' number of devices can be
connected using existing LAN/WAN
network
Helps in saving energy
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Complete Range of Electrical Standard Products
Range: 16A to 250A
Available in 1P, 2P, 3P & 4P variants
Short circuit breaking capacities
upto 36kA
Aesthetic and compact
High electrical and mechanical life
Adjustable thermal release
Finger proof terminals
Available in SS enclosures
Suitable for DB mounting
Conforms to
IS/IEC 60947-2 & IEC 60947-2
MCCB: Type DU Series
MCCB : Type DN
Accessories
Complete range: 16A to 1250A in
3 pole / 4 pole variants
Short circuit breaking capacities
upto 70kA
Micro-controller based communicable
protection and control units
Conforms to
IS/IEC 60947-2 & IEC 60947-2
certified
Wide range of snap fit internal &
external accessories
Positive isolation User friendly features
Ergonomic design
Safe to install & use
Electrically operated mechanism
(EOM) - Stored Energy type
Faster opening and closing
High Mechanical & Electrical endurance
Compact in size
Easy installation
Variety of indications
External Neutral CTCan be used for 3 phase 4 wire system
with 3P MCCB
Reliable solution for earth / neutral fault
protection
MOULDEDCASECIRCUITBREAKERS
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MOULDEDCASECIRCUITBREAKERS
Microprocessor based
Releases MATRIX 1.0/2.0LS or LS / ING protection
User selectable Overload curves
for different applications
Optional door mounted currentmetering OLED display
Thermal memory defeat feature
MATRIX 3.0LSING protection
Wider protection curves with basic &
advanced protectionsEnergy & power management
functionsTHD measurement
Large variety of add-on modulesCommunication capable release
Wireless remote display
Motor backup protection
version
Switch Disconnector version
Only magnetic with instantaneous
protection upto 10In
Fault level protection for complete
starter upto 50kA (I = I )Q cu Type 2 charts available for DOL &
Star/Delta starters
Can be used as switching or
isolator devices Higher withstand capacities
Accessories available for remote
operation
MCCB : Type DN
Releases
Thermal Magnetic Release Adjustable overload settings
Adjustable short circuit setting
True RMS sensing
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SDFs: Type FN
Accessories
Spares
Ratings: 32A to 800A
Version: TP/TPN
Suitable for DIN, BS & Cylindrical
type fuses
High short circuit rating of fuses
(100kA)
Full AC-23A utilization category
Positive isolation of fuses
Quad break contact system Separate arcing and current
carrying zones
High clearance and creepage
distances
Phase barriers
Suitable for aluminum terminations
Built-in isolable or add-on switched
neutral
Easy inspection and replacement
of contacts
Suitable for horizontal and vertical
terminations
Clear ON / OFF indications
Available in sheet steel enclosure
Conformance to IEC 60947-3 and
IS/IEC 60947-3
Handle assembly (Type A/B/CE)
Switched neutral kit
Auxiliary contact kit
Mechanical interlock kit
Castell interlock
Terminal shroud kit
Interphase barrier kit
Handle assembly
Front housing assembly
Spare kit of contacts
SDFs: Type FNX
Accessories
Ratings: 32A to 800A in six frame
sizes
AC-23A rating for the complete
range
Available in TPN and four pole
versions
High short circuit capacity of fuses
(100kA) Electro dynamically compensated
contact system
Versatile handle (patented)
High clearance and creepage
distances
Suitable for copper and aluminium
terminations
marking and conformance to
IEC 60947-3, IS/IEC 60947-3
Easy inspection and replacement
of contacts
Fuse barriers to prevent interphase short circuits
DIN rail mounting up to 100A
Suitable for horizontal and
vertical installations
Terminal shrouds for safety
Telescopic shaft for the handle
(stepless adjustment)
Clear ON / OFF indication
Auxiliary contact kit
Castell lock
Fuse operation indicator
Extended terminal shroud
Fuse puller unit
Mechanical interlock kit
DIN rail mounting kit
5
DIN Fuses: Type HN
Cylindrical Fuses:
Type HF
Bolted Fuses: Type HG
Bolted Fuses: Type HQ
Accessories
High breaking capacity (100kA)
Low watt loss
Low let-through energy
Immediate fault indication
Size: 000 to 3
Ratings: 2A to 63A
High breaking capacity (80kA)
Low watt loss
Immediate fault indication
Ratings: 2A to 32A
High breaking capacity (80kA)
Ratings: 2A to 630A
High breaking capacity (80kA)
Fuse base
Fuse pulling handle
Ratings: 63A to 800A
CHSWIT
ISC
CT
D
ONNEOR
S
FUSE
U
HIGHRUPT RING
CAPACITYFUSES
Complete Range of Electrical Standard Products
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Type FG
Accessories
Excellent aesthetics Ratings: 63A, 1250A & 1600A
High making and breaking
capacities
Highly reliable
Convenient single handle
operation
Suitable for tropical conditions
Quick make and quick break
mechanism
Reduced operating torque
Conformance to IEC 60947 - 3
and IS/IEC 60947 - 3
Safety key lock
Auxiliary contacts
Clutch handle
NE E
CHE
CHAGOV RSWITS
Type C-Line
Accessories & spares
Ratings: 63A to 1000A
Available in 5 frame sizes
AC 23A rating for complete range
Available in open execution & in SS
enclosure versions
Spacious SS enclosure doesn't need
separate gland box
Electro-dynamically compensated
contact system
Higher withstand capacity
Higher electrical & mechanical life
Suitable for aluminum termination Staggered terminals for ease in
termination
Unique flippable handle above 400A
Dual operating position (Center/side)
No load line bias
Excellent aesthetics
Complete safety: Terminal shroud,
phase barriers & source separator
provided as standard
Site mountable fuse conversion kit
Handle
Auxiliary contacts
Fuse conversion kit
Castele lock
EOM version
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Complete Range of Electrical Standard Products
Mini Contactors
Type MX Suitable for both control & powerapplications
AC/DC versions available
Front ON / OFF mechanical
indication
Base and DIN rail mounting
facility
Finger proof terminals
Built-in surge suppressor for DCcontactors
Direct mounting of overload
relays Wide range of accessories
Conforms to IEC 60947-4-1,
IS/IEC60947-4-1 standards
Thermal Overload Relays
Type RTX & MN
Accessories
Ratings: RTX Relay 0.20A-40A
MN Relay 9A-570A
Inbuilt single phasing protection
Suitable for direct/separate mounting
Built-in START and OFF / RESET
push buttons
Auto and manual reset modes
Ambient temperature0 0
compensation: -5 C to +55 C
Electrically separate NO contact
Conformance to IEC 60947-4-1 and
IS/IEC 60947-4-1
Push button unit Relay mounting kit
Power Contactors
Type MNX
Special features of 9A - 40A
Contactors
Accessories
Ratings : 9A to 650A
Available in six frame sizes
Easy inspection and replacement
of coils and contacts
Alpha-numeric terminal markings Front ON / OFF indication
Entire range UL certified
Operating band from 62% to 120%
up to 32A
Conforms to IEC 60947-4-1, BSEN
60947-4-1 & IS/IEC 60947-4-1
Snap fit construction
Finger-proof terminals
Common coil for entire range
Add-on auxiliary contact block
Surge suppressor
Mechanical interlock kit
N
TRMA
CONTACTORSADHEL
EOVRLOADRELAYS
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4 Pole Contactors
Type MCX Ratings: 16A to 700A ( AC1 duty)
Suitable for Genset applications
Available in five frame sizes
and eighteen current ratings
Alpha-numeric terminal marking
Conforms to IEC 60947-4-1,
IS /IEC 60947-4-1 standards
Wide operating band upto 100A
AC1
MCX range to replace MC range
of 4 pole contactors
Contactors
Type MO Ratings: 9A to 110A
Available in three frame sizes
Low VA consumption
Standardised accessories
Box clamp termination
Terminal shrouds for power
terminals
Compact in size
Thermal Overload Relay
Type RTO-1
Accessories
Ratings: 1.2A - 45A
Hingeable shrouds
Phase failure sensitive
Visual status indication
Sealable transparent cover
Auto/manual reset function
Ambient temperature compensated
Mounting adaptor for separate
mounting
Mechanical reset cord
N
TRMA
CONTACTORSADHEL
EOVRLOADRELAYS
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Single-Pole Contactors
Type MR 1 Available in ratings 25A & 40A
The ultimate solution for heating,
ventilation and air-conditioning
applications
Available with screw and fasten
type terminations
Type MPX
Accessories
Ratings : 8.5 to 60kVAr
Available in three frame sizes
Mechanically de-latched type
design
High electrical life
Inrush current capacity more than
180 x In
High frequency of operation about
120 operations/hr DIN rail mounting facility
1 NO/NC/1 NO+1 NC add-on blocks
Complete Range of Electrical Standard Products
DEFINITEPURPOSE
CONTACTORS
AuXC - 1000
Compatible switching
device
Programmable display for
programming and voltage
measurement
Dual AC & DC Power supply
Standard supplied RS232 Port
Contactors Type MCX
C-Power / U-Power
Moulded Case Circuit
Breakers, Type D sine / DNX
UTOAMATIC
RA FETNS RRLE
CONTOL R0
AuXC-100
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AINUCD CTIONMOTORS
LTS Series: 3Phase
TEFC Cage Motors Range - 0.12kW to 630kW
Suitable for inverter application
in pumps, blowers & fans
VPI and dual coat wires as
standard feature
LTI Series: 3Phase
Inverter Duty Motors Range - 0.37kW to 630kW
Ideal for constant torque
application
Suitable for longer cable
distances be tw een VFD &
Motor
VPI, special inverter grade
wires and external cooling
arrangement as standard
features
LTL Series: 3Phase
Laminated Yoke Motors Range - 3kW to 81kW
Extremely compact motors with
radial cooling arrangement
Precise speed control
Ideal replacement for DC machines
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T R
SATERS
Complete Range of Electrical Standard Products
Type MOG
Accessories
Wide range from 0.16A to 63A with
adjustable overload
Compact in size
High short circuit breaking capacity(150kA upto 10A, 50kA for higher
rating)
Door coupling handle for clear ON /
OFF / TRIP indication
TRIP indication for every range
Conforms to IEC 947-2 & 3,
IEC 947-4-1 standards
DIN-rail mounting for the entire range
Differential trip indication facility for
trip alarm contact
Standard auxiliary & alarm contacts
(front and side mounting)
Shunt release
Under voltage release
Door coupling rotary handle
Type MN
Direct-On-Line Starters
Star-Delta Starters
Excellent aesthetics Flush mounted push buttons
Built in single phase protection
relay
Suitable for rural and industrial
motor application
Enclosures with IP54 degree of
protection
Lockable push button
Termina l bl ock for ease of
termination
Copper and aluminum terminations
possible
Conforms to IS 13947-4-1 and
IEC 60947-1 standards
Suitable for motors up to 45 hp
Wide band of operating voltage
Wide range of relay settings and
coil voltages
Suitable for 10 hp to 400 hp motors
Base plate mounting with rubber
gasket makes the starter assembly
vibration proof
Available in semi automatic and
fully automatic versions
Electronic timers in fully automatic
starters for high repeat accuracy
Soft starters
Range: 7.5kW to 800kW @ 400V Wide control voltage range
(110 - 440V AC)
XLR8 adaptive acceleration control
Timed voltage ramp, constant
current, torque control, kick start
Soft stopping
Soft braking
Phase sequence protection
Auto start
Fault history
Communication on RS 485
Forward / Reverse jog functions
Simulator function allows soft
starter functionality to be checked
without connecting motor to soft
starter
Total motor starting solution
11
MOTORPROTECTION
CIRITBREKES
CU
ARF
TT E
SOSART RS
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Programmable Logic
Controller (PLC)
Wide range: 10-1600 I/Os
On board I/O mapping for
faster setup
2 in-built communication ports
(MODBUS / user defined
protocol)
Run / remote / programming
switch - on board
User friendly windows based
programming software for
entire range
Advanced software features,
offline simulator & time chart
monitoring
Ideal for OEM application &
machine automation
Compact & modular Programmable SmartRelay: L1000
L1000 is a microprocessor based
programmable smart relay
Can handle 48 Digital Inputs/Outputs
Can also handle Analog Inputs
Inbuilt 16 Timers, 16 Counters, 16
Time switches
Onboard display for parameter
editing & program editing
Can be configured as MODBUS
slave on RS 232 or RS 485
Application for L1000 are: Pump
c on t ro l , P C C / M C C pane l s ,
Conveyers, Machine Automation
and Utilities
ACN T RE
IVERE
DRIVS
RGMM
P ORAABLE
OICCOT ORS
L G
NRLLE
PR GRAMMALE
O
B
SMAT ELAY
R RL1000
AC Inverter DrivesNew range of 1000 series AC Drives
with latest technological advancement
are designed for 10 years performancelife with many more features as under:
Capable of running induction as well
as permanent magnet motor
200% rated torque @ 0 r/min
Advance auto-tuning methods
Application presets for faster startup
of the system
Dual rating: Normal duty and heavy
duty
Detachable intelligent terminal block
with parameter backup
Swing PWM function to decrease
noise at low carrier frequencies
Unique pre-maintenance function
Faster communication on MODBUS
with baudrate of 115kbps
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Complete Range of Electrical Standard Products
L1000 Elevator Drive Range: 200V class: 3.7 * 110 kW
400V class: 3.7 * 110kW
Direct-to-floor & short floor
function
Rescue operation with DC
Backup & safe disable function
Advanced Anti-Rollback
Overshoot and Anti vibration
control
Terminal block with parameter
backup
Human Machine
Interface
Available from 4.3" to 15
screen size in 7 models
Touch LCD interface
Advanced Features: Multi
Language, Graphic, Extended
Alarms, Recipe, Data Logging,
Printing, Password protection,
Trends
Serial, Ethernet, Field bus
communication
Multiple PLCs, Controllers
connectivity
0EVT
L100LEAOR
DRIVE
N
E
HUMAMACHIN
INET RFACE
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S IH
ROTARY WTC
ES
Rotary Switches
Types available
Applications
Ratings: AC : 6A - 600ADC : 16A - 500A
Standard and customized switches
Suitable for AC/DC applications
Break before make/Make before
break type switches
Flexibility of operating positions and
switching angles
Multistep programming switches
Versatile mounting options to suit
variety of applications
User defined marking on the script
plates
DIN rail mounting facility
Choice of attractive colors in front
knob plate
Padlocking switches for safety
AC switches (series S, TP and RT)
AC/DC switches (series D)
Spring return switches
Isolator
Changeover switches
Multi-step switches
Gang switches
Selector switches
Control switches
Motor switches
Digital Protective
Relays
Product Range
Compact & light weight relays
Self-diagnostic feature ensures
complete reliability Low power burden
Communication capable
Offers multiple protection
Flexibility in selection of protection
curve
Conforms to latest standards
IEC 6100, IS 3231 and IS 8686
Single phase & three phase over
current and earth fault relays
Under-voltage & over-voltage
Control supervision
Power factor control
Motor protection
Generator protection
Transformer protection
LPEIV
DIGITA ROTCTE
LREAYS
ACSERVOSYSTEM
AC Servo System
Sigma-II Series Servo Drives -
30W to 90 kW
JUNMA Series Servo Drives -
100W to 750W
Sigma-V Series Servo Drives -
50W to 15 kW
Choice of Low inertia, Middle inertia
and High inertia motors
Very good peak torque performance
(approx 300%) for longer period of
time to help in quick acceleration
17 bit incremental encoder*
(resolution-131072 PPR) as
standard with Serial Interface to
Servo pack
Excellent cost to performance ratio
for Position Control
Industrys first plug and play type
Servo Drive
Achieve optimum Servo per-
formance without gain setting and
tuning parameters (No gain tuning
and parameter setting required)
Very High Performance Servo with
outstanding frequency response of
1600 Hz (best in Industry)
Very good peak torque performance
(approx 350%) for longer period of
time to help in quick acceleration
20 b i t incremental encoder
(resolution-1, 048, 576 PPR) as
standard with Serial Interface to the
Servo pack
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Push Buttons /
Actuators /
LED indicators
Types available
New design to meet end user
requirement
Can accommodate 1 NO block or1 NC block or 1 bulb holder
No screws required for assembly
Ease in mounting and wiring
Excellent aesthetics
International approvals , , ,VDE Integral actuators
Modular remote control units
Push button actuators, pendants
and stations
Selector switches & accessories
LED indicators
Filament indicators and spares
Modular blocks and spares
All purpose enclosures and spares
Timers, Time
Switches,
Hour Meters &
Supply Monitors Auto reset synchronous timers
Electronic timers
ON delay, cyclic, OFF delay,
Star DeltaAsymmetrical ON / OFF
Supply monitorsSingle phasing preventor
U/V + O/V relay with time delay
Hour meters
Electromechanical / Digital
Time switches
Electromechanical timeswitches
Digital time switches-crono
Astronomical time switches
1Ph & 3Ph
Power Factor
Correction Capacitors
LTXL range of capacitors
MPPS Capacitors (1 to 25 kVAr)
MPPH Capacitors (5 to 50 kVAr)
Harmonic Mitigation Devices
Thyristor Switching Module
Automatic Power Factor
Correction (APFC) Solutions
for variable loads
Range available: 5-100 kVAr
Available in box type construction
with advanced APP technology
Standard Duty (Agri duty, Box and
Cylindrical type)
Heavy duty (Box and Cylindrical
type)
Heavy duty gas filled (Cylindrical
type)
Reactors 7%, 14% and custom
designed also available
Detuned filter units in various
ratings-5,10,15,20,25,50,100 kVAr
Range available: for 10 kVAr,
25 kVAr and 50 kVAr
APFC panel with power factor
correction capacitors
APFC panel with Harmonic filters
& thyristor switches
O
CONTROLACCESSRIES
REIVPWE
ACT E
OR
M
EN SO
ANAGMETLUTION
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DANMEE
INICTIGT RS
Indicating Meters
Available in
Types
Sizes - 72 x 72, 96 x 96 & 144 x 1440
Scale 90
Version - AC / DC
Voltmeter & Ammeter (Direct reading) Ammeter (CT operated)
Voltmeter(PT operated) Power factor meter & Power meter
Current Transformers
Features
Applications
lCost effective moulded case
measuring current transformers
l
Limited range include the sevenmost popular sizes of current
transformers
lRatio ratings from 50/5 to 4000/5
lWide range of current ratings,
busbar sizes, case widths and
apertures
lSealable terminal covers
lBase mounting and busbar
mounting option
lSwitchgear
lDistribution system
lGenerator sets
lControl panels
lOverload protection
lControl devices
CURRENTTRANSFORMERS
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Acrux - Three-Phase
Energy meter Flush mounting - 96mm x 96mm
overall size (cutout size - 92mm x
92mm)
Compact and light-weight
Class I accuracy as per IS 13779
LED indication proportional to
kWh for on spot calibration Meter records correct energy
Irrespective of current directionBalance and imbalance condition
with any phase sequence
Quasar - Intelligent
Panel meter All instantaneous and cumulative
values
Flush mounting - 96mm x 96mm
overall size (cutout size - 92mm x
92mm)
Class I accuracy
Separate display of fundamental
and total harmonic values for
currents and voltages of all
phases
Front panel programming
Communication interface via
RS 485 port & MODBUS protocol
ELCTOICEE GYMEE S
ERNNR
T R
GEMiNi
Dual Source Meter
Features
Dimension
An innovative panel meter designed
for dual source energy measurement.
It serves as a replacement for two
seperate energy meters necessary for
metering application with dual energy
sources.
Class 1.0 Accuracy as per IS & IEC
standards
Dual Energy register for dual energy
source
RS 485 MODBUS communication Field programmable CT PT Values
and Meter ID
: 96 L x 96 B x105 D mm
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Electronic kWh Meter Single and three phase versionsavailable
Current reversal indication
LED indication proportional to
kWh for on-spot calibration
Six digit counter
Dust proof body, rugged
construction, elegant
polycarbonate casing
Not affected by mounting position
Not affected by external magnetic
field
Earth load tamper indication in
single phase energy meter
Three phase energy meters work
even on neutral removal
ELCTOICEE GYMEE S
ERNNR
T R
Three Phase kWh
Energy Meter (NOVA)
Features
Dimension (H x W x D)
NOVA is a compact, digital, panel
mount meter for kWh measurement.
NOVA is flush mount 3 Phase 4 WireCT operated kWh meter with RS 485
MODBUS communication.
96 x 96 x105 mm
Panel cutout: 92 x 92 mm
Accuracy class 1.0
Measures kWh & kW
Forwarded energy registration in
case of current reversal
Phase wise Voltage, Current &
Power on display
Average Voltage & Current on
display
Phase sequence on display
RS485 MODBUS communication
Auto & manual display mode
User friendly menu driven LCD
display
Field programmable CT/PT ratio
Customised LCD display & Push
Button navigation
Scroll lock feature for locking of a
desired parameter on display
Low CT/PT burden
High Resolution Energy
Auxiliary Supply 88V TO 300 V AC
/DC
Flush Mounting
Versions Meter Em301
Features
Dimension (H x W x D)
The superiority of this meter lies in its
ability to work normally under reverse
current, unbalance voltage and current,
different phase sequence, voltage
variation etc.
Class 1.0 accuracy
LEDs indicating presence of each
phase
Withstands 440 Volt between Phase
and Neutral
Maintains accuracy under current
reversal conditions
High surge withstand capability up to
8kV
Polycarbonate enclosure
Anti-Tamper features
17A2 x 180.5 x 76 mm
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Residual Current
Circuit Breakers
(RCCBs)
Hi version
Protects against earth leakages and
electric shocks
Available in DP and FP versions in
25A, 40A, 63A and 100A ratings
with 30mA, 100mA and 300mA
sensitivity
Avoids nuisance tripping
Conforms to IEC 61008
Available in 2 and 4 pole from 25 to
63A in 30mA and 300mA sensitivities
Reduces unwanted tripping caused
by transient current and voltages
Ensures tripping in networks with
pulsated DC components in case of
fault
RCBOs
RCD add - on blocks
Offers 3 in 1 protection against earth
leakage, short circuit and over load
Rating: 6A to 40A in 2 pole with
30mA,100mA and 300mA sensitivity
Compact design 2 pole 2 mod
Conforms to IEC 61009
Also available in Hi version
Available in DP and FP versions in
25A, 40A and 63A ratings with
30mA, 100mA and 300mA sensitivity
Designed to fit on the right side of 2
and 4 pole MCBs
Combined unit provides protection
against Overload, Short-circuit and
Earth leakage
NB, NC and ND type MCBs upto 63A
can be used to suite various
applications / loads
Protection against nuisance tripping
Breaking capacity of combined unit
10kA conforming to IEC 60898-1 /
IEC 60947-2
Also available : Earth leakage relay
Miniature Circuit
Breakers (MCBs)
Accessories for MCBs
and RCCBs
Protects against overload and short
circuits in domestic, commercialand industrial electrical distribution
systems
Conforms to latest standards IEC
60898, IEC 60947-II & IS 8828-1996
Widest range from 0.5 to 125A
ratings
Available in SP, DP, TP and FP
versions in B, C and D curve
Two position metal DIN rail clips
allows faster and easy installation
Suitable for DC applications single
poles upto 60V DC and double polesupto 125V DC with 10kA breaking
capacity
High breaking capacity of 10kA as
per IEC 60898 and 15kA as per IEC
60947- II
marked and conformity
Auxiliary contact (1NO+1NC)
Trip alarm contact
Shunt release
Under-voltage release
Over-voltage release
Locking kit
Flush-mounting kit
MODULARDEVICES
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Surge Protection
Devices
Protects equipment against transientvoltage surges
Available in Type 1, Type 2 and Type
2 fine versions
Type-1 SPDs are used for protection
against direct lightning surges and
are tested for lightning current wave
form of 10/350s
Type-2 SPDs are used to protect
against indirect lightning effects as
well as switching surges and are
tested for a current waveform of
8/20s
Replacement cartridges available for
type 2 devices
Conforms to IEC 61643-1 &
IEC 6163-11
Distribution Boards A comprehensive range of
insulated and metal distribution
board for Domestic, Commercial
and Industrial applications
Plug and socket DBs
TPN and SPN DBs
Vertical TPN DBs Phase changeover DBs
P & S units
One way enclosures
Phase segregated DBs
Insulated DBs are also available
as standard
Wide range of accessories for
additional safety and flexibility
Ready to use DBs: supplied with
insulated phase busbars, color
coded wire sets, N-Bar & E-Bar,
blanking plates, cable ties as
standard
Easy to wire: because of
removable door, shields, frame
and gland plates
Automation & Control
Devices Isolators, two-way/centre-off
changeover switches
Modular electro-mechanical and
digital time switches
Twilight switches
Modular bells and buzzers
Electronic thermostats
Dimmers and dimming systems
Analog voltmeters and ammeters
Presence and movement sensors
MODULARDEVICES
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Isolator Conforms to global standards like
IS 13947, EN/IEC 60947-3
Carries marking and
certification
Available in range of 40A and 63A
in DP, TP and FP versions
Suitable for AC 22 -A utilization
category
Finger proof terminals-IP20
degree of protection
Ergonomically designed, profiled
f o r s upe r i o r c oo l i ng and
manufactured with fire retardant
material
Miniature Circuit
Breakers Specially designed & developed for
residential & commercial installations Conforms to latest global standards
like to IS 8828, EN/IEC60898-1-2003
Carries and marking and
certification
Breaking capacity of 6kA throughout
the range
Available in C curve in SP, DP, TP & FP
versions from 6A to 63A ratings
Unique - True contact indication to
show actual status of contact
Low power loss - almost 50% of the
values prescribed by IEC
Terminals are suitable upto 35sq.mm
wire, with provision for dual termination
facility
No line-load bias
MODULARDEVICES
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Distribution Boards-
Tripbox Available in aesthetically superior
ivory colour to suit the interiors of
buildings and can be supplied in
d i f f e ren t c o l ou r f o r bu l k
requirements
Readily available in IP30 & IP43
degree of protection Distribution boards are suitable
for flush and surface mounting
Ready to use Dbs provided with
100A phase busbar, wire sets,
earth & neutral bars as standard
Provided with removable top and
bot tom g land p la tes wi th
adequate knock out for easy
wiring
For bottom entry, neutral bar can
be sh i f ted to bo t tom fo r
comfortable wiring
TPN DBs will have provision to
accommodate 6 MOD in-comer
Easy installation and flexibility in
usage
EarthLeakage+Miniat
ure Circuit Breaker
EL+MCB Provides 3 in 1 protection
against earth leakage, shortcircuit and overload, it also
avoids excessive metering
due to leakage
Conforms to global standards
like IS 12640, EN/IEC 61009-1
Carries marking
Available in DP & FP versions
in the range of 6 to 63A with
30mA or 100mA or 300mA
sensitivity
Truly current operated,
operate seven at nominal 1 volt
Featured with Neutral advance
mechanism
Operation even in case of
neutral failure
MODULARDEVICES
22
Busbar Trunking
System Current Rating: 100A to 6300A
System Voltage: 600V up to max. of
1000V Conductor material : High conductivity
Cu / AI
Ingress Protection of IP66/IP54/IP42
Configuration of 3P3W/3P4W/3P5W
with or without integral earth
Halogen free, fire retardant Class - H -
Epoxy insulation
High temperature withstand capability
of 55 degree over 50 degree celsius as
normal operating temperature, single
Bolt bridge joint system incorporates
5mm thermal expansion provision Tap - off units are provided for MCCBs
or SDFs or MCBs
Sandwich construction results in lower
mV drops, hence higher efficiency
distribution system
Available as feeder for power
transmission and plug-in for power
distribution
Standard lengths of 3m/2m/1m up to
0.45m
Excellent short circuit ratings (up to
100kA)
System primarily consists of compo-
nents such as Straight Length, End
Flange, End Feed Unit, Tap off Units,
Bends, Fixing clips, etc
BUBA
RUNG
S RTKIN
SYSTEM
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Electronic 4 step power saving
fan regulator improves life of fan
Go Green - Power saving SMD
LED is used in indicator has a life
of 80,000 burning hrs. = 9 years
Stylish rounded contours -minimizes dust collection on
surface, easy to clean
Slim design - only 8.5mm
protrusion from the wall
Ribless design - leaves only a
hairline gap between switches
Glossy surface finish reduces
dust deposition
mark on switches & sockets
Safety shutters over live contacts
in all power sockets and data
sockets
Fire retardant UL V0
polycarbonate body
Flash guard in all switches
Esyclean Design
Safe & secure
IRIN CE
WGA C
SSORIES
Intelli-i
Longer life
Grey insert identifies the switching
position during assembly
Smart indicator LEDs for Power
ON indication using red LED
LED night locator switch uses
blue LED for easy location of
switches in the dark
Always ON indicator uses red
LED in bell switch
3.5mm silver cadmium contactsfor longer life; our 10A switch has
survived 1.5 lakh switching cycles
at full load under test conditions
S w in g r o c ke r m e c ha n i sm
ensures no contact bounce
Phosphor bronze conductors
ensure better contact pressure,
lower heating and hence longer
life as compared to copper
conductors
RoHS complaint, Weld free, GI
wall boxes for better corrosion
resistance and longer life
Silver coated brass terminals
minimizes contact losses and
improves terminal life
23
Wires
Flat Cables
Flexible Wires
House Wires
Wires for industrial, commercial and
domestic applications
Voltage grade up to 1100V
Conforms to IS 694-1990 standards
Complete safety ensured
Insulation types available for all
wires are:- Flame Retardant (FR),Flame Retardant Low Smoke (FRLS),
Zero Halogen Flame Retardant
(ZHFR) and Heat Resistant (HR)
These cables are rigid and with-stand
all adverse conditions
Made of bright plain multi-stand
annealed copper conductors
Available in 100 meter coils and drums
of 500 and 1000 meters
Range 1.5 sq.mm to 35 sq.mm
Single and multi-core wires are
available
Suitable for industria l wir ing
applications
Available in standard length of 100
meters coil
Range 0.5 sq.mm to 240 sq.mm
Made of annealed copper conductor
Conforms to IS 8130-1984 standards
The insulation used is FR PVC
compound for additional safety
Twin coating for superior insulation
Range 0.75 sq.mm to 25 sq.mm
WIRES
Complete Range of Electrical Standard Products
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Presence DetectorUsed for automatic lighting or
cool ing control based onoccupancy
Detection based on movement
as well as presence with two
lenses
Covers large area of detection
upto 13m x 7m depending on
installation height
Available in two versions 2
channel detector with ON / OFF
control
1 channel lighting regulation
Turn OFF delay adjustable up to
1 hour
Application: corridors, offices,
cabins, conference rooms,
class rooms
HG
LUTN
LIGTIN
SOIO
MF T
&COOR
Domotics SystemDOMOTICS is the latest trend in home
automation which is not just lighting
control but is the integration ofComfort,Safety, & security Communication &
Energy Management for your home.
You can control all the functions of the
home us ing a wide range of
aesthetically designed Touch Windows,
Touch Panels and Touch Screens .
You can also control the applications
using a remote control, portable touch
screen, windows enabled mobile
phone,i Phone, iPAD, standard PC, the
Internet (LAN/WAN/WiFi applications),
& so on. A house equipped with a
domotics system and a minimal
integration of lighting, power, heating or
cooling control, saves energy cost from
10-15% .
T
RoHS
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25
ATMOS
DDC controller with graphical
display and easy navigation
Program backup on SD Card
(upto 1GB)Freely programmable controllers
Self detecting control bus with upto
999 controllers in a single network
Self powered by DIN rail using
T-Bus connectors
All modules are plug in and plug out
types
Supports various third party
protocols
Scalable and future proof
With Atmos, 200 Input/Output
points can be connected to a single
DDC controller
Atmos DDCs have ready availability
of in-built multi-communication
ports
PERITO Sophisticated range of Cameras
like Perito's Vandal Dome,Explosion Proof Camera, IR,
Weatherproof high speed, PTZ
camera & the Integrated PTZ
Control Camera with multiprotocol
capabilities
Perito provides with the widest
choice of DVRs, ranging from
Basic Series, Real-time hybrid
DVR, Net DVR (H.264 DVR)
Intelligent Video Analysis
CCTV high resolution LCD
monitors are available in 7, 17 &
19,Perito offers widest choice of
transmission methods like
standard analogue over coaxial
and up-the-coax
SECURITY&
SURVELLANE
I
C
SYTEMS
BUIDING
L
MANAGEMETN
STM
SYE
Fire Detection &Alarm System 100 % Hot redundancy
Two Panels in single cabinet,
always operational
250 addressable devices per
loop, upto 4000 devices per
panel
3.5 Km loop length
Short circuit isolator in every
Device
TCP/IP networked - on board
Factory fitted Vds approved
batteries - 72 hrs back up
Multi sensor detector for all
applications
DT CTN
FIRE EE
IO
&
ARMS
LASYTEM
Complete Range of Electrical Standard Products
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Energy EfficiencySolutions
Our energy efficiency
service includes
Comprehensive Energy Audits for
industries, designated consumers,
large IT/ITES/BT campuses, Star
Hotels, Hospitals and Universities.
Identifying the energy saving
measures and solutions
Harmonic study and its mitigation
Supporting the implementation
of energy saving solution
Offer best in class products from
L&T
Review after implementation
26
NR
E EGY
FFICIECY
E
N
SO
IOS
LUTN
wNe
Air Insulated Switchgear(Medium Voltage)
Unique Features
Available for voltage of 12kV, 24kV & 36kV
Current rating from 630A to 3150A for 11kV,
630A to 2000A for 24kV and 1250A & 2000A
for 36kV
Breaking capacities of 25kA & 40kA
Compliance with IEC 62271-100 and
62271-200
Metal clad, fully compartmentalized
Horizontal isolation, horizontal draw-out &
floor mounted VCBEarthing switch with full making capacity
Interlocks for safety
Readily extendable
Cubicles are designed to meet temperature
rise limits without forced cooling upto 3150A
Classification AFLR with Fully type tested at
renowned laboratories
Inbuilt anti-pumping feature
Withdrawal operation of PT which is top
mounted & independent of VCB position
(For 12kV, 25kA)
Naturally cooled till 3150A
Internal arc classification AFLR with 40kA for
1 second
Compact yet safe
ED
LTE
M IUMVOAG
R D
P OUCT
RINT D
AI SULAE
SW
EITCHGAR
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REGISTERED OFFICE ANDHEAD OFFICEL&T House, Ballard EstateP. O. Box 278Mumbai 400 001Tel: 022-67525656
Fax: 022-67525858Website: www.Larsentoubro.com
ELECTRICAL STANDARD PRODUCTS (ESP)501, Sakar Complex IOpp. Gandhigram Rly. Station
Ashram RoadAhmedabad 380 009Tel: 079-66304006-11Fax: 079-66304025e-mail: [email protected]
38, Cubbon Road, P. O. Box 5098Bangalore 560 001Tel: 080-25020100/25020324Fax: 080-25580525e-mail: [email protected]
131/1, Zone IIMaharana Pratap NagarBhopal 462 011Tel: 0755-4098721/7/ 8 / 9Fax: 0755-2769264e-mail: [email protected]
Plot No. 559, Annapurna ComplexLewis RoadBhubaneswar 751 014Tel: 0674-6451342, 2436696Fax: 0674-2537309e-mail: [email protected]
SCO 32, Sector 26-DMadhya Marg, P. O. Box 14Chandigarh 160 026Tel: 0172-4646840, 4646853Fax: 0172-4646802e-mail: [email protected]
10, Club House Road,AnnasalaiChennai 600 002Tel: 044-28462072 / 4 / 5 / 2109Fax: 044-28462102 / 3e-mail: [email protected]
67, Appuswamy RoadPost Bag 7156Opp. Nirmala CollegeCoimbatore 641 045Tel: 0422-2588120 / 1 / 5Fax: 0422-2588148e-mail: [email protected]
Product improvement is a continuous process. For the latest information and special applications, please contact any of our offices listed here.
Electrical Standard Products (ESP) Branch Offices:
L&T House, Group MIG-5PadmanabhpurDurg 491 001Tel: 0788-2213833 / 14 / 21 / 29Fax: 0788-2213820e-mail: [email protected]
Khairasol, Degaul AvenueDurgapur 713 212Tel: 2559848, 2559849, 2559844Fax: 0343-2553614e-mail: [email protected]
Milanpur Road, Bamuni MaidanGuwahati 781 021Tel: 0361-2550562 / 65Fax: 0361-2551308e-mail: [email protected]
II Floor, Vasantha Chambers5-10-173, Fateh Maidan RoadHyderabad 500004Tel: 040-66720250
Fax: 040-23296468e-mail: [email protected]
D-24, Prithvi Raj Road, C-SchemeJaipur 302 001Tel: 0141-2385915 / 16 / 17 / 18Fax: 0141-2373280e-mail: [email protected]
Akashdeep Plaza, 2nd FloorP. O. GolmuriJamshedpur 831 003JharkhandTel: 0657-2312205 / 38Fax: 0657-2341250e-mail: [email protected]
Skybright Bldg; M. G. RoadRavipuram Junction, ErnakulamKochi 682 016Tel: 0484-4409420 / 4 / 5 / 7Fax: 0484-4409426e-mail: [email protected]
3-B, Shakespeare SaraniKolkata 700 071Tel: 033-44002572 / 3 / 4Fax: 033-22821025/7587e-mail: [email protected]
A28, Indira Nagar, Faizabad RoadLucknow 226 016Tel: 0522-2312904 / 5 / 6Fax: 0522-2311671e-mail: [email protected]
No: 73, Karpaga Nagar, 8th StreetK. PudurMadurai 625007Tel: 0452-2537404, 2521068Fax: 0452-2537552e-mail: [email protected]
EBG North Wing Office-Level 2Gate 7, Powai CampusMumbai 400 072Tel: 022-67052874 / 2737 / 1156Fax: 022-67051112e-mail: [email protected]
12, Shivaji NagarNorth Ambazari RoadNagpur 440 010Tel: 0712-2260012/3Fax: 0712-2260020/30e-mail: [email protected]
32, Shivaji MargP. O. Box 6223
New Delhi 110 015Tel: 011-41419514 / 5 / 6Fax: 011-41419600e-mail: [email protected]
L&T HouseP. O. Box 119191/1, Dhole Patil RoadPune 411 001Tel: 020-26135048/26164048Fax: 020-26124910, 26135048e-mail: [email protected]
3rd FloorVishwakarma ChambersMajura Gate, Ring RoadSurat 395 002Tel: 0261-2473726Fax: 0261-2477078e-mail: [email protected]
Radhadaya ComplexOld Padra RoadNear Charotar SocietyVadodara 390 075Tel: 0265-6613610 / 1 / 2Fax: 0265-2336184e-mail: [email protected]
48-8-16, DwarakanagarVisakhapatnam 530 016Tel: 0891-6620411-2 / 3Fax: 0891-6620416e-mail: [email protected]
Electrical Standard Products
Larsen & Toubro Limited
Powai Campus, Mumbai 400 072
Customer Interaction Center (CIC)
BSNL / MTNL (toll free) : 1800 233 5858
Reliance (toll free) : 1800 200 5858Tel : 022 6774 5858
Fa 022 6774 5859