Enclosures

(Factory installed only)
Interlocks are used to prevent the authorized operator from making an unauthorized operation. Not available on hazardous location devices (NEMA 7/9.)

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. UL Listed.

Table 3.88:

Locking Position Designations

Locking Position

Designation

Device locked open with key removed.

Device locked closed with key removed.

Device locked open or closed with key removed.

Device locked open with key held.

Device locked closed with key held.

Device locked open or closed with key held.

Multi-lock interlock.

(More than one key per lock.)

1. Device locked open (circuit breaker in OFF position).
2. Device locked closed (circuit breaker in ON position).

Quoting:

Contact local Field Sales office for catalog number, availability and pricing prior to quoting a job.

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., circuit breaker to be locked open with key removed, key held when circuit breaker is closed)

●	Existing Equipment—if circuit breaker is to be interlocked with equipment already on site, provide brand of existing lock and key number

●	Other New Equipment—if circuit breaker 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

●	Federal Pioneer locks supplied unless otherwise specified

Table 3.89:

Price Adder Per Lock, Each Complete Enclosed Devicea

Device

$ Price

Enclosed industrial circuit breaker

1370.00

a	Prices do not apply when more than three devices are interlocked as these schemes normally require more than one key assembly per device.


DE1	Discount Schedule

Square D > On-line Catalog > Products > 03 Molded Case Circuit Breakers and Enclosures > Enclosures: Key Interlock Systems—Factory installed only	Search

Key Interlock Systems—Factory installed only

Class 736, 1130

Key Interlock Systems

Quoting:

Ordering: