National Item Identification Number

01-444-8043
014448043
5925-01-444-8043
5925014448043

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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89946

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WESTINGHOUSE ELECTRIC CORP
LOW VOLTAGE BREAKER DIV
ONE TUSCARAWAS RD
BEAVER
PA
15009
724-775-2000

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0ZH76

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CUTLER HAMMER
WESTINGHOUSE AND CUTLER HAMMER
2306 SOUTHPOINT RD
1128
BELMONT
NC
28012
704-825-2695

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Reference Numbers (Part Numbers)

FD3045
FS340045

Required Categories

MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE

Required Description

250.0 AMPERES AC SINGLE LOCATION