Safety Switches

Factory-installed only on heavy duty safety switches and double throw safety switches.

Interlocks are used to prevent the authorized operator from making an unauthorized operation. Not available on hazardous location devices (NEMA 7/9) or fiberglass reinforced polyester (NEMA 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. UL Listed.

Quoting:

Contact Schneider Electric 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., 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;

●	Schneider Electric locks supplied unless otherwise specified.

Use these suffixes on switch catalog numbers:

●	KI = 1 lock per switch

●	KI2 = 1 lock with 2 cylinders per switch

●	KIKI = 2 separate locks per switch

Push Button—Pilot Light—Selector Switch

Push buttons, pilot lights or selector switches are available factory-installed in the cover of NEMA 1, 3R, (4-4X-5) stainless steel or 12 heavy duty non-fusible safety switches and all double throw switches. Wiring to contact blocks is not available. Customer must furnish catalog number of push button, pilot light or selector switch device desired. UL Listed. Add suffix PB to switch catalog number. Order by description.

Price = Switch + push button, pilot light or selector switch + factory-installed adder.

Table 2.1:

Factory-Installed Adder

$ Price

259.00

Table 2.2:

Price Adder Per Locka

Switch Type

$ Price

30–1200 A Heavy Duty

1370.00

30–600 A Double Throw

1325.00

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

Locking Position—Designations

Notes:

●	Device locked open (switch in OFF (O) position).

●	Device locked closed (switch in ON (I) position).


DS2	Discount Schedule

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Key Interlock Systems

Class 736, 1130