Killark Full Catalog

CONNECT I V I TY KR SERIES

HAZARDOUS LOCATION – DELAYED ACTION

KR RECEPTACLES (20/30A)

KRS 215 3 304

SERIES CONSTANT KRS – Single Gang 2KRS – Double Gang

AMPERAGE / POLE CONFIGURATION 20 – 20A, 2-Pole/3-Wire 303 – 30A, 2-Pole/3-Wire 304 – 30A, 3-Pole/4-Wire

BACK BOX CONFIGURATION 215 – Dead End 218 – Feed Thru

CONDUIT ENTRY SIZE 1 – 1/2” NPT 2 – 3/4” NPT 3 – 1” NPT

KR RECEPTACLES (30/60A)

KR JAC 2 603

SERIES CONSTANT KR

AMPERAGE / POLE CONFIGURATION 303 – 30A, 2-Pole/3-Wire 304 – 30A, 3-Pole/4-Wire 603 – 60A, 2-Pole/3-Wire 604 – 60A, 3-Pole/4-Wire

BACK BOX CONFIGURATION AJC – AJC Back Box JC – JLC Back Box JX – JAL/JLX Back Box

CONDUIT ENTRY SIZE 1 – 1/2” NPT 2 – 3/4” NPT 3 – 1” NPT

JAC – JAC Back Box JAT – JAT Back Box

Details of Safety Time Delay Feature

Safety Time Delay Feature

1

2

The key slot provided in the receptacle engages the key of the plug permitting entrance of the plug in the receptacle in only one position. See steps 1-4. The contacts are enclosed in long accurate insulating cavities. It is in these cavities that the arcs are extinguished. All contacts are made through round tellurium copper tubing which is extra heavy to withstand arcing as required on the various ampere ratings. Both plugs and receptacles are equipped with an extra long grounding pole which establishes grounding before the power contacts are engaged. These grounding poles are also the last to break contact. This assures bonding of the portable device to the electrical conduit system.

Receptacle Keyway

Plug can move in only to the first step of the keyway until...

Key

Plug

Align Keyway on plug with receptacle.

3

4

Plug then can be moved completely in and be energized

...key is moved up

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CN54