Electrical Interlocks for Heavy Duty Switches

Electrical interlocks for heavy duty safety disconnect switches 30 A through 1200 A are available as field installed kits, or factory installed on Type 12 or Type 4X enclosures.

Interlock Kits for Heavy Duty Switches

EIK1
Electrical Interlock Kit

A pivot arm operates from the switch mechanism, breaking the control circuit before the main switch blades break. UL Listed for factory or field installation. For series not shown in the table, refer to the wiring diagram in the technical drawing for the switch.

For electrical interlocks for NEMA Type 4X fiberglass reinforced polyester and Krydon™ see Fiberglass Reinforced Polyester Switches — NEMA Type 4X and Krydon™ Compression Molded Switches — NEMA Type 4X respectively.

For factory installation catalog numbers available on Type 12 or 4X enclosures use the product configurator.

Electrical Interlock Kits for Heavy Duty Safety Switches

Switch
Amperes Rating

Series Number [1]

Electrical Interlock Kit

Cat. No.  [2]

30

F5–F8

EIK031

EIK032 

60

(600 V)

F5–F8

EIK1

EIK2

60

(240 V)

F5–F8

EIK031

EIK032

100–200

F5–F8

EIK1

EIK2

30–100

Receptacle Switches

F5–F7

EIK1

EIK2

30–200

Four- and Six-Pole Switches

F5–F6

EIK1

EIK2

400–1200

E4–E5

EIK40601

EIK40602

note

Single-pole single-throw interlock kits are rated 1/2 hp at 110 and 220 Vac.

Electrical Interlock Contact Ratings

Interlock Type

AC 50 or 60Hz

DC

Volts

Make

Break

Cont.

Volts

Make / Break

Cont.

1 N. O. / 1 N. C. Contact

(-1 Suffix [3])

120

40.00 A

15.00 A

15.00 A

115

0.50 A

15.00 A

240

20.00 A

10.00 A

15.00 A

230

0.25 A

15.00 A

2 N. O. / 2 N. C. Contacts

(-2 Suffix [4])

120

30.00 A

3.00 A

10.00 A

115

1.00 A

10.00 A

240

15.00 A

1.5 A

10.00 A

230

0.30 A

10.00 A

Footnotes

  1. See Type 1 / 3R Switches and Type 4, 4X, 5, 7, 9, and 12 Switches for safety switch series.
  2. Electrical interlock kit catalog numbers ending in 1 indicates one normally open and one normally closed contact. These kits use a 9007A01 industrial snap switch. Electrical interlock kit catalog numbers ending in 2 indicates two normally open and two normally closed contacts. These kits use a 9007C03 industrial snap switch.
  3. -1 Suffix uses a 9007A01 limit switch.
  4. -2 Suffix uses a 9007C03 limit switch.
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