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Auto Source

Change Over

with

Current Limiter

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An ISO 9001 : 2008 Company

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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)

Ÿ

Ÿ Microcontroller based, hence precise and accurate

Ÿ It measures load current – true RMS

Ÿ Over Voltage and Under Voltage cut-off for EB and DG(optional)

Ÿ Significant saving on wall space and wiring.

Ÿ In Single Phase ACCL during the event of change over from DG to EB the neutral is

first isolated, then the phase is isolated.

Ÿ Tropicalized and Rugged design.

Ÿ Three Phase DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER

CUM / WITH CURRENT LIMITER (ACCL) are enclosed in aesthetically made powder

coated sheet metal enclosures.

Ÿ Single Phase DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER

CUM / WITH CURRENT LIMITER (ACCL) are enclosed in ABS grade Thermo plastic

enclosure.

Ÿ LED indication of all operational status.

Ÿ Two line 16 Character LCD with Back-lit, Displays Voltage, Current and Frequency

(Three Phase). Mechanical inter-lock between 4 pole contactors in three phase

models.

Ÿ ACCL are provided with different ON-TIME delay, so that generators are not loaded

suddenly. This feature enhances the life of the generators and switchgear. Teflon

wires having very high insulations are used for the internal wiring.

Ÿ Wiring connections-using insulated feed trough terminal blocks for Three Phase

models.

Benefits:

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DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT

LIMITER (ACCL)) For Single Phase and Three Phase Application

Specifications

DG LED blinks(Optional) Over Load on DG -

Trip LED ON Over Load Over Load

Trip LED Blinks Lock Out Mode -

Relay Contact Rating 240V AC, 30A Max Makings (t iRvee)s i -

Reset Manually Through RESET Switch on the unit

Manually Through RESET Switch on the Unit

SINGLE PHASE MODEL

EB MAXIMUM LOAD CURRENT

DG MAXIMUM LOAD CURRENT MOUNTING

DIMENSION (mm)

ACCL 1 PHASE EB 1PHASE EG

30 AMPS

0.5-20 AMPS USER DEFINED FACTORY SET

(in steps of 0.5 Amps)

DIN

80 X 94 X 76 (Existing)

80 X 95 X 75

(New)

THREE PHASE MODELS

EB LOAD MAXIMUM PER PHASE AC1 DUTY CONTACTOR RATING

DG LOAD MAXIMUM PER PHASE MOUNTING

DIMENSION (mm)

ACCL 3 PHASE EB 4 WIRE

3 PHASE DG 4 WIRE

20 AMPS / PHASE 0-20 AMPS/PHASE USER DEFINED FACTORY SET

SURFACE 153X137X200

ACCL 3 PHASE EB 4 WIRE 3 PHASE DG 4 WIRE

25 AMPS / PHASE

0-25 AMPS/PHASE USER DEFINED FACTORY SET

SURFACE 153X137X200


3 PHASE DG 4 WIRE

32 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

40 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

63 AMPS / PHASE


SURFACE 280X175X193


3 PHASE DG 4 WIRE

20 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

25 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

32 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

40 AMPS / PHASE


SURFACE 153X137X200


3 PHASE DG 4 WIRE

63 AMPS / PHASE 0-63 AMPS/PHASE USER DEFINED FACTORY SET

SURFACE 280X175X193

SPECIFICATIONS Single Phase ACCL Three Phase ACCL

EB Input 240V AC, 50 Hz 415V AC, 50 Hz, 3Ph 4W

DG Input 240V AC, 50 Hz 415V AC, 50 Hz, 3Ph 4W

LCD Display - 2 line 16 Character back-lit LCD

EB LED ON Load on EB Load on EB

DG LED ON Load on DG Load on DG

EB LED blinks(Optional) Over Load on EB -

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All the 3 phase models will display the main voltages of 3 Voltages, 3 Currents and Frequency in EB and DG present through the LCD and trip indication through LED.

1) In ACCL 3 phase 4 wire EB and single phase DG ACCL can be tailored to the customer specification like current setting on the ACCL DG as arithmetic/ cumulative sum of currents.

2) The 3 Phase ACCL with field selectable 50% - 100% of load current on DG is optional.3) Only ACCL logic can supplied for current rating 70 Amps and above i.e. without

contactors, Bus Bars and CT's

4) EB Current limiting is provided as per the customer requirement (as an optional feature).

Specify: 1) Single Phase/ Three phase

2) Current rating on EB & DG3) Individual Phase Current/Arithmetic sum of phase currents( 3 Ph. ACCL)4) Over/Under Voltage Limits(Optional)

` 5) Duration and Number of ON/OFF Cycles Current setting cannot be Greater than the Contactor rating

Optional:

ACCL ORDERING INFORMATION:

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PROK DV'S DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)

Ÿ While monitoring the Generator supply, Allows only limited load and functions as load

limiter as per desired current.

Ÿ Current sealing while monitoring the DG and EB will be factory-Set.(Field selectable

Model-Optional)

Ÿ Whenever the load current exceeds the preset limit, power is automatically switched-

off and resets after 9sec and trips again if the overload exists, this cycle is ( 3Sec ON &

6Sec OFF) is repeated every nine seconds. If overloading on DG persists the ACCL

enters lock out mode after 5 ON & OFF cycles. The unit can be reset manually by

reset switch. However tailor made units i.e field adaptable as per customer

requirement can be provided as it is a microcontroller based.

Ÿ Display of each Phase Voltage, Current and Frequency in Three Phase ACCL by 2 line

16 character LCD.

Ÿ Over Voltage and Under Voltage cut-off limit for both EB and DG and is optional

Ÿ On the resumption of the EB main supply, ACCL changes over from DG to EB and

allows the full load current.Ÿ

Features

SPECIFICATIONS SINGLE PHASE ACCL THREE PHASE ACCL

Technology Microprocessor Based. Hence precise measurement

Microprocessor Based. Hence precise measurement

Frequency 50Hz 50Hz

Display LED indication status 2 Line 16 character LCD display LED Indications for DG Presence, EB Display of Over loaded phase Display of UV trip & OV trip

Trip Time and OFF time Trip time ON - 3Sec OFF Time- 6Sec Five ON &OFF Cycles (other timings and cycles can be provided as per the customer requirement)

Trip time On- 3Sec OFF Time - 6Sec Five ON &OFF Cycles (other timings and cycles can be provided as per the customer requirement)

Out Put Contact Type Electro mechanical Relay 4 Pole Contactors

Protection for Change Over Break Neutral before breaking the Phase

4 Pole Contactors

EB Max. Load Current 30A 20Amp, 25Amp, 32Amp, 40Amp and 63Amp. Above 63Amp only logic shall be provided.

DG Current Range ( Factory Set) 0.5A to 20A Factory Set In steps of 0.5 Amp

0-20A, 0-25A, 0-32A, 0-40A,and 0-63A Depending on the Model in steps of 0.5Amp

Under and Over Voltage protection UV 160V-200V Factory Set OV 250V-280V Factory set ( Can be provided as an optional feature )

UV 160V-200V Factory Set OV 250V-280V Factory set ( Can be provided as an optional feature )

Models 1 phase EB & 1phase DG 3Phase EB & 3Phase DG 3Phase EB & 1 Phase DG (Option of summation current also available)

Product guarantee For 18 Months For 18 Months

EB Current limiting EB Current Limiting is available as per Clients request( As optional )

EB Current limiting is available as per Client request(As optional)

Enclosure ABS Grade thermo plastic Powder coated sheet metal enclosure

Mounting DIN SURFACE

Dimensions(mm) 70 X 105 X 60 (Existing) 80 X 95 X 75 (New)

153 X 137 X 200 ( Up to 40A) 80 X 175 X 193( Up to 63A)

S P E C IF IC A T IO N S S IN G L E P H A S E A C C L T H R E E P H A S E A C C L

T e c h n o lo g y M ic ro p ro ce s so r B a se d . H e n c e p re c is e m e a s u re m e n t

M ic ro p ro ce s so r B a se d . H e n c e p re c is e m e a s u re m e n t

F re q u e n c y 5 0 H z 5 0 H z

D is p la y L E D in d ic a t io n s ta tu s 2 L in e 1 6 c h a ra c te r L C D d isp la y L E D In d ic a t io n s fo r D G P re se n c e , E B D is p la y o f O v e r lo a d e d p h a s e D is p la y o f U V tr ip & O V tr ip

T r ip T im e a n d O F F t im e T r ip t im e O N - 3 S e c O F F T im e - 6 S e c F iv e O N & O F F C y c le s (o th e r t im in g s a n d cy c le s ca n b e p ro v id e d a s p e r th e c u sto m e r re q u ire m e n t)

T r ip t im e O n - 3 S e c O F F T im e - 6 S e c F iv e O N & O F F C y c le s (o th e r t im in g s a n d cy c le s ca n b e p ro v id e d a s p e r th e c u sto m e r re q u ire m e n t)

O u t P u t C o n ta c t T y p e E le c tro m e c h a n ica l R e la y 4 P o le C o n ta cto rs

P ro te ct io n fo r C h a n g e O v e r B re a k N e u tra l b e fo re b re a k in g th e P h a s e

4 P o le C o n ta c to rs

E B M a x . L o a d C u rre n t 3 0 A 2 0 A m p , 2 5 A m p , 3 2 A m p , 4 0 A m p a n d 6 3 A m p . A b o v e 6 3 A m p o n ly lo g ic s h a ll b e p ro v id e d .

D G C u rre n t R a n g e ( F a c to ry S e t) 0 .5 A to 2 0 A F a c to ry S e t In s te p s o f 0 .5 A m p

0 -2 0 A , 0 -2 5 A , 0 -3 2 A , 0 -4 0 A ,a n d 0 -6 3 A D e p e n d in g o n th e M o d e l in s te p s o f 0 .5 A m p

U n d e r a n d O v e r V o lta g e p ro te c t io n U V 1 6 0 V -2 0 0 V F a cto ry S e t O V 2 5 0 V -2 8 0 V F a cto ry se t ( C a n b e p ro v id e d a s a n o p tio n a l fe a tu re )

U V 1 6 0 V -2 0 0 V F a cto ry S e t O V 2 5 0 V -2 8 0 V F a cto ry se t ( C a n b e p ro v id e d a s a n o p tio n a l fe a tu re )

M o d e ls 1 p h a s e E B & 1 p h a se D G 3 P h a se E B & 3 P h a s e D G 3 P h a se E B & 1 P h a s e D G (O p t io n o f s u m m a tio n c u rre n t a lso a v a ila b le )

P ro d u ct g u a ra n te e F o r 1 8 M o n th s F o r 1 8 M o n th s

E B C u rre n t lim it in g E B C u rre n t L im it in g is a v a ila b le a s p e r C lie n ts re q u e s t( A s o p t io n a l )

E B C u rre n t lim it in g is a v a ila b le a s p e r C lie n t re q u e s t(A s o p t io n a l)

E n c lo s u re A B S G ra d e th e rm o p la st ic P o w d e r c o a te d s h e e t m e ta l e n c lo s u re

M o u n t in g D IN S U R F A C E

D im e n s io n s (m m ) 7 0 X 1 0 5 X 6 0 (E x is t in g ) 8 0 X 9 5 X 7 5 (N e w )

1 5 3 X 1 3 7 X 2 0 0 ( U p to 4 0 A ) 2 8 0 X 1 7 5 X 1 9 3 ( U p to 6 3 A )

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MECHANICAL DIMENSION OF SINGLE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)

Existing Model New Model

MECHANICAL DIMENSION OF THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL) – (63Amps)

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WIRING DIAGRAM FOR THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)

MECHANICAL DIMENSION OF THREE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL) – (40Amps)

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WIRING DIAGRAM FOR SINGLE PHASE DIGITAL MICROCONTROLLER BASED AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER (ACCL)

WIRING DIAGRAM FOR THREE PHASE AUTOMATIC SOURCE CHANGEOVER CUM / WITH CURRENT LIMITER

ACCL- LOGIC

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ISO 9001-2008

Prok Devices Private LimitedSIMHADRI ,

No.2930, 14 th Cross,Banashankari II nd Stage,

Off K.R. Road,Bengaluru-560070

KarnatakaIndia

Tel:+91 80 43487777/26760718/26761719

Fax:+91 80 26761720Email: [email protected]

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