local disconnect switches - electro | … · 2014-11-11 · motor controllers and local disconnect...
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EnstoManufacturer of electrical componentsand systems
This brochure presents the economical, versatile and reliable Ensto Origin manual motor controllers and local disconnect switches.
Ensto is a privately held international group of companies specializing in the development and manufacturing of electrical components, devices, equipment, and systems. Founded in Finland in 1958 by engineer EnsioMiettinen, Ensto now has subsidiaries in seventeen countries and is affi liatedwith other highly qualifi ed profession-als operating as strategic partners in over 40 additional countries.
While achieving this growth, the company nurtured the engineering and manufacturing expertise at its core and applied it in the development of prod ucts for the transmission, distribution, control, and utilization of electricity.
Ensto Control Oy is the member of the group that focuses on low voltage (1,000 V and under) switching and control products, including enclos-ures. Our quality management systemis ISO 9001 certifi ed, and our environ-mental management system is ISO 14001 certifi ed, providing the basis for our CE markings.
Responding to the needs of our largely OEM customers and partners, we develop and thoroughly test our products so that they suit a wide range of applications. We are proud of our products and welcome your suggestions for new ratings or products of use to you.
This brochure presents our econom-ical and versatile range of manual con-trollers and local disconnect switches – the traditional, reliable Ensto Originseries and our Ensto Compact line, one of the most well-known selections.
The compact and modular Ensto Compact series complements our range of UL-listed manual motor controllers.
The products include Ensto Clampo Compact multiple-pole terminal blocks and Ensto Clampo Pro, high-current Al/Cu IEC-style terminal blocks.
Ensto enclosed controllers and local disconnects are UL-listed (508) assemblies of Ensto Cubo series enclosures, Ensto Origin rotary switches and handles, and Ensto ground and neutral terminals.
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The Ensto Compact rotary switch series is of the European modular style, with convenient add-on poles for power, auxiliary contacts, and neutral and ground terminals. Items in the Ensto Compact series are small in size and of quality design. The small frame is only two DIN modules wide (36 mm). The switches are available with nominal currents of 20 A and 30 A, with both rear-mounting (direct or DIN rail) and front-mounting versions.
The Ensto Compact switches are UL-listed controllers, UL File No. 164205; UL 508: “Manual Motor Controllers Suitable as Motor Disconnect.”
As well as additional poles and auxiliary contacts, the range of accessories includes handles, extension shafts, and terminal covers.
Manual Motor Controllers andLocal Disconnect SwitchesEnsto Compact
Ensto Compact is one of the most well-known ranges of small rotary switches, with users including the world’s leading switchgear manufacturers.
Switches in the Ensto Compact series are of the European, modular design and compact in size; three modules of the switch fi t into the old standard two-module width.
Direct handles are available in black, blue,and red. In addition, we have a wide range of extended actuation handles available.
The Ensto Compact rotary switch series has convenient add-on poles for power, auxiliary contacts, and neutral and ground terminals.
The range of accessories includes terminal shrouds.
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Local Disconnect Switches,Panel- and DIN-Rail-MountedEnsto Compact
Additional poles
Pcs. in
Weight standard
Cat. no. Description (kg/pc) package
KSN1/U Fixed neutral pole 0.042 50 KSP1/U Fixed PE pole 0.042 50 KSA1/U Auxiliary contact, NO+NC, 15 A, 120 VAC, Pilot Duty A300 0.050 50
Switch (height: 70 mm without handle,76 mm with direct handle).
4th pole and additional poles. Standard auxiliary contacts.
Fixed PE pole, fi xed neutral pole, 4th pole and standard auxiliary contact.
3-pole without handle 4th pole
Pcs. in Pcs. in
Weight standard Weight standard
Amperage Voltage Cat. no. Description (kg/pc) package Cat. no. (kg/pc) package
20 A 480 VAC KS3.20/U Disconnect switch 0.129 50 KS1.20/U 0.046 5030 A 480 VAC KS3.30/U Disconnect switch 0.129 50 KS1.30/U 0.046 50
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Local Disconnect Switches,Direct Door-Mounted Ensto Compact
Switch. 4th pole and additional poles.
Standard auxiliary contact.
Additional poles
Pcs. in
Weight standard
Cat. no. Description (kg/pc) package
KSN11/U Fixed neutral pole 0.042 50 KSP11/U Fixed PE pole 0.042 50 KSA11/U Auxiliary contact, NO+NC, 15 A, 120 VAC, Pilot Duty A300 0.050 50
3-pole without handle 4th pole
Pcs. in Pcs. in
Weight standard Weight standard
Amperage Voltage Cat. no. Description (kg/pc) package Cat. no. (kg/pc) package
20 A 480 VAC KS13.20/U Disconnect switch 0.162 50 KS11.20/U 0.045 5030 A 480 VAC KS13.30/U Disconnect switch 0.162 50 KS11.30/U 0.045 50
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External handles Pcs. in
Black, Red/yellow, Weight standard
Cat. no. Cat. no. (kg/pc) package
External handle,
IP 54, not lockable, 0/1 KK29/U 0.038 100
External handle,
padlockable, 0 OFF / 1 ON,
environmental type 4X and 13 KSH48.01/U KSH48/U 0.043 100
Handle shaft guide
replacement for KSH48 PMR716.1/U 0.006 250
Pistol-grip handle,
padlockable, 0 OFF / 1 ON,
environmental type 4X and 12 KSH75/U KSH75RY/U 0.070 50
Direct handles Pcs. in
Black, Blue, Red, Weight standard
Cat. no. Cat. no. Cat. no. (kg/pc) package
Small PMR241/U PMR241B/U PMR241R/U 0.005 100Medium PMR250/U PMR250B/U PMR250R/U 0.006 100Big PMR301/U PMR301B/U PMR301R/U 0.006 100
AccessoriesEnsto Compact
Extension shafts
Length Weight Length Weight
(mm) Cat. no. (kg/pc) (mm) Cat. no. (kg/pc)
40 mm KS23.040/U 0.011 110 mm KS23.110/U 0.02550 mm KS23.050/U 0.013 150 mm KS23.150/U 0.03255 mm KS23.055/U 0.014 180 mm KS23.180/U 0.03960 mm KS23.060/U 0.015 200 mm KS23.200/U 0.04270 mm KS23.070/U 0.017 300 mm KS23.300/U 0.06190 mm KS23.090/U 0.021 305 mm KS23.305/U 0.062
Standard package: 100 pcs.
Terminal covers Pcs. in
Weight standard
Cat. no. (kg/pc) package
For additional poles PMR121/U 0.004 100For switches PMR123/U 0.008 100Shaft retaining collar, plastic PMR249/U 0.004 100
External handle, padlockable, KSH48.01/U.
Small external handle, KK29/U.
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Ensto Origin is a complete line of traditional, reliable manual motor controllers and local disconnect switches. The series includes 3- and 4-pole rotary and toggle switches, withnominal currents of 25 A to 100 A. Ensto Origin switches are UL-listed controllers, UL File No. 164205; UL 508, “Manual Motor Controllers Suitable as Motor Disconnect.” These industrial switches are small in size but big in grunt; they have proven their rugged reliability in thousands of applications.
All Ensto Origin switches can be directly actuated, and, in addition, all Ensto Origin rotary switches can be through-door (extended-shaft) actuated.
The wide range of accessories includes, for example, auxiliary contacts and handles.
Manual Motor Controllers andLocal Disconnect SwitchesEnsto Origin
Ensto Origin switches can be directly actuated or through-door (extended-shaft) actuated.
Our Ensto Origin line of small industrial switches has been private-labeled by major corporations worldwide, and has demonstrated its rugged reliability in thousands of applications – with a wide variety of mounting confi gurations.
Toggle-actuated Ensto Origin switches can be used with face covers for additional touch protection. The covers are also suitable for use in DIN cutout windows.
The range of load break switches is completed with a changeover mechanism, ideal for applications such as telecoms (in particular, cell phone masts), maintenance applications where a circuit needs to be in the “off” position while being worked on and power transferred to another circuit, and reversing the direction of a machine.
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Local Disconnect Switches,
Rotary ControllerEnsto Origin
Without shaft retaining collar With shaft retaining collar
Pcs. in Pcs. in
Weight standard Weight standard
Amperage Voltage Cat. no. (kg/pc) package Cat. no. (kg/pc) package
3 x 40 A 600 VAC KSR3.40/U 0.170 30 KSR3.401/U 0.180 303 x 60 A 480 VAC KSR3.60/U 0.170 30 KSR3.601/U 0.180 303 x 80 A 600 VAC KSR3.80/U 0.268 30 KSR3.801/U 0.280 303 x 100 A 480 VAC KSR3.100/U 0.268 30 KSR3.1001/U 0.280 303 x 125 A 600 VAC KSR3.1251/U * 0.280 304 x 40 A 480 VAC KSR4.40/U 0.205 30 KSR4.401/U 0.213 30
* Controller only
KSR 3.40/U and KSR 3.60/U KSR 4.40/U KSR 3.80/U and KSR 3.100/U
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Local Disconnect Switches,
Toggle ControllerEnsto Origin
Cover plates, gray
Pcs. in Pcs. in
Weight standard Weight standard
Amperage Voltage Cat. no. (kg/pc) package Cat. no. Description (kg/pc) package
3 x 40 A 600 VAC KST3.40/U 0.155 30 PMR333.10/U Padlockable 0.011 1003 x 60 A 480 VAC KST3.60/U 0.155 30 3 x 80 A 600 VAC KST3.80/U 0.260 30 PMR334.10/U Padlockable 0.013 1003 x 100 A 480 VAC KST3.100/U 0.260 30 4 x 40 A 480 VAC KST4.40/U 0.190 30 PMR598/U Not padlockable 0.007 100
KST 3.40/U and KST 3.60/U KST 4.40/U KST 3.80/U and KST 3.100/U
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AccessoriesEnsto Origin
External handles Pcs. in
Black, Red/yellow, Weight standard
Cat. no. Cat. no. (kg/pc) package
External handle,
IP 54, not lockable, 0/1 KK29/U 0.038 100
External handle,
padlockable, 0 OFF / 1 ON
environmental type 4X and 13 KSH48.01/U KSH48/U 0.043 100
Handle shaft guide
replacement for KSH48 PMR716.1/U 0.006 250
Pistol-grip handle,
padlockable, 0 OFF / 1 ON
environmental type 4X and 12 KSH75/U KSH75RY/U 0.070 50
Direct handles Pcs. in
Black/gray, Red/yellow, Weight standard
Cat. no. Cat. no. (kg/pc) package
Direct handle
for KSR3.40/U - KSR3.60/U KK57.18/U KK57.182/U 0.017 100
Direct handle
for KSR3.80/U - KSR3.100/U KK57.19/U KK57.192/U 0.019 100
Direct handle
for KSR4.40/U K57.37/U KK57.372/U 0.020 100
Pistol-grip handle, cat. no. KSH75RY/U.
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ø 4.2 (0.165)
ø 25 (1)
1. Cut panel holes2. Remove paper cover from gasket
3. Screw bezel to panel4. Attach shaft guide collar to bezel
5. Mount shaft and shaft retaining collar
OFF
ON
1-4(0.04-0.16)
2,2(0.08)
CENTERLINES16 (0.63)
22-23(0.87-0.91)
1. Cut panel holes2. Remove paper cover from gasket3. Stick bezel to panel
4. Screw bezel to panel5. Align shaft guide collar and bezel6. Attach shaft guide collar to bezel
7. Install handle (knob) in bezel8. Verify switch is OFF9-11. Mount shaft and shaft retaining collar
Extension shafts
Length Weight Length Weight
(mm) Cat. no. (kg/pc) (mm) Cat. no (kg/pc)
40 mm KK31.040/U 0,008 120 mm KK31.120/U 0.02350 mm KK31.050/U 0.009 130 mm KK31.130/U 0.02555 mm KK31.055/U 0.010 140 mm KK31.140/U 0.02660 mm KK31.060/U 0.011 150 mm KK31.150/U 0.02870 mm KK31.070/U 0.013 170 mm KK31.170/U 0.03280 mm KK31.080/U 0.015 175 mm KK31.175/U 0.03390 mm KK31.090/U 0.017 180 mm KK31.180/U 0.035100 mm KK31.100/U 0.019 200 mm KK31.200/U 0.038105 mm KK31.105/U 0.020 300 mm KK31.300/U 0.057110 mm KK31.110/U 0.021 305 mm KK31.305/U 0.058
Standard package: 100 pcs.
KSH 48 Installation
KSH 75 Installation
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AccessoriesEnsto Origin
Additional poles Pcs. in
Weight standard
Changeover mechanism (kg/pc) package
KK102.712/U Kit incl. shafts and black handle 0.234 20 KK102.7RY12/U Kit incl. shafts and red/yellow handle 0.234 20 Auxiliary contacts KK38.2/U Kit with auxiliary contact, NO/NC for KSR3.40 - KSR3.60 0.028 100
KK39.2/U Kit with auxiliary contact, NO/NC for KSR3.80 - KSR3.100 0.031 100 Direct door mounting kit KSRD3 Kit for KSR switch 0.064 50 Shaft retaining collar KK20/U Brass, for KSR switches 0.012 250 KK20.2/U Brass, for KSR switches, Allen wrench screws 0.012 250
The changeover mechanism is a kit including shafts and a handle, cat. no. KK102.7RY12/U, with red/yellow handle.
Kit for auxiliary contact KK38.2/U for KSR3.40 and KSR3.60 and KK39.2/U for KSR3.80 and KSR 3.100.
Direct door mounting kit for KSRD3.
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Local Disconnect Switches, Ratings
Single-phase Three-phase design B, C, D Three-phase design E
Cat. no Rating Motor FLA Motor LRA 120 VAC 240 VAC 200 VAC 240 VAC 480 VAC 600 VAC 200 VAC 240 VAC 480 VAC 600 VAC
KS 3.20/U 20 A 12 A 80 A ½ Hp 2 Hp 3 Hp 3 Hp 7 ½ Hp 2 Hp 3 Hp 5 Hp
KS 13.20/U 480 VAC 480 VAC 480 VAC
KS 3.30/U 30 A 15 A 92 A ¾ Hp 2 Hp 3 Hp 5 Hp 10 Hp 3 Hp 3 Hp 7 ½ Hp
KS 13.30/U 480 VAC 480 VAC 480 VAC
KSR 3.40/U 40 A 27 A 146 A 2 Hp 3 Hp 7 ½ Hp 7 ½ Hp 20 Hp 25 Hp 5 Hp 5 Hp 10 Hp 15 Hp
KST 3.40/U 600 VAC 600 VAC 600 VAC
KSR 4.40/U 40 A 27 A 146 A 2 Hp 3 Hp 7 ½ Hp 7 ½ Hp 20 Hp 5 Hp 5 Hp 10 Hp
KST 4.40/U 480 VAC 480 VAC 480 VAC
KSR 3.60/U 60 A 34 A 194 A 2 Hp 5 Hp 10 Hp 10 Hp 25 Hp 5 Hp 7 ½ Hp 15 Hp
KST 3.60/U 480 VAC 480 VAC 480 VAC
KSR 3.80/U 80 A 54 A 337 A 3 Hp 10 Hp 15 Hp 20 Hp 40 Hp 50 Hp 10 Hp 15 Hp 30 Hp 40 Hp
KST 3.80/U 600 VAC 600 VAC 600 VAC
KSR 3.100/U 100 A 68 A 412 A 5 Hp 15 Hp 20 Hp 25 Hp 50 Hp 15 Hp 15 Hp 40 Hp
KST 3.100/U 480 VAC 480 VAC 480 VAC
Terminal lug specifi cations (Cu wires, 60 - 75 ºC) Short-circuit rating with fuses line-side
Cat. no. Rating Wire size, solid Wire size, stranded Tightening Fuse type H, K, or RK 5 Fuse type J or better
torque Avail. current Max. volt. Max. fuse Avail. current Max. volt. Max. fuse
KS 3.20/U 20 A #14 - #10AWG #14 - #8 AWG 18 ft-lbs 10 kA 480 VAC 30 A
KS 13.20/U
KS 3.30/U 30 A #14 - #10 AWG #14 - #8 AWG 18 ft-lbs 10 kA 480 VAC 30 A
KS 13.30/U
KSR 3.40/U 40 A #14 - #10 AWG #14 - #4 AWG 35 ft-lbs 10 kA 600 VAC 100 A 18 kA 480 VAC 100 A
KST 3.40/U
KSR 4.40/U 40 A #14 - #10 AWG #14 - #4 AWG 35 ft-lbs 10 kA 480 VAC 60 A
KST 4.40/U
KSR 3.60/U 60 A #14 - #10 AWG #14 - #4 AWG 35 ft-lbs 10 kA 480 VAC 100 A 18 kA 480 VAC 100 A
KST 3.60/U
KSR 3.80/U 80 A #14 - #10 AWG #14 - #1 AWG 50 ft-lbs 10 KA 600 VAC 150 A 18 kA 480 VAC 100 A
KST 3.80/U
KSR 3.100/U 100 A #14 - #10 AWG #14 - #1 AWG 50 ft-lbs 10 kA 480 VAC 150 A 18 kA 480 VAC 100 A
KST 3.100/U
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ENCLOSURES AND
COMPONENTS
ENSTO CONTROL OY
ENSIO MIETTISEN KATU 2, PL 77
FI-06101 PORVOO, FINLAND
TEL. +358 204 76 21
FAX +358 204 76 2516
WWW.ENSTO.COM
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