National Item Identification Number

01-449-4500
014494500
5925-01-449-4500
5925014494500

National Stock Number

Item Name

CIRCUIT BREAKER

Federal Supply Class

5925

Description

A device with means other than fuses for automatically opening the circuit in which it is installed when the current varies from the predetermined value for which the device is set. May include provisions for manual operation. At least one set of contacts must be in series with the actuating element(s). A combination of semiconductor and passive devices may be used in lieu of contacts. For automatically operated items in which the actuating (tripping) element and contacts are not in series, see RELAY (as modified). For items which are operated both manually and automatically but the actuating elements and contact are not in series, see RELAY-SWITCH. Excludes CIRCUIT BREAKER BOX and magneto ""breaker"" assemblies. See also SWITCH (as modified); and CONTROLLER.

Commercial and Government Entity Code (Supplier Data)

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88753

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SQUARE D CO
3568 CONCORD RD
YORK
PA
17402
717-755-6470

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Reference Numbers (Part Numbers)

MG24473

Required Categories

POLE QUANTITY
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
III END ITEM IDE

Required Description

3
50.0 AMPERES AC ALL LOCATIONS
CONTROLLER, MT
FSCM 03950