Key Interlock Systems

Interlocks help protect against unauthorized operation Factory installed only on heavy duty safety switches from 30 A to 1200 A, Type 12 and 304 stainless steel Type 4X. Not available on hazardous location devices (Type 7/9) or fiberglass reinforced polyester (Type 4X).

The key interlock system is a simple and easy method of applying individual key interlock units and assemblies to the above equipment so as to require operation in a predetermined sequence.

Quoting: Contact Schneider Electric for catalog number, availability, and pricing prior to quoting a job. Detailed information is required before an order can be processed.

Ordering: Order cannot be released for production until the following information has been provided:

• End User–Company name, address.

• Function of each lock (e.g., switch to be locked open with key removed, key held when switch is closed).

• Existing Equipment–if switch is to be interlocked with equipment already on site, provide brand of existing lock and key number.

• Other New Equipment–if switch is to be interlocked with new equipment not yet installed at the site, then provide contact person and phone number so that locks may be coordinated.

• Additional information may be required upon order entry.

Use these suffixes on switch catalog numbers:

• KI = 1 lock per switch

• KI2 = 1 lock with 2 cylinders (2 keys) per switch

• KIKI = 2 separate locks per switch