National Item Identification Number

01-015-5746
010155746
5925-01-015-5746
5925010155746

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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Reference Numbers (Part Numbers)

4976D65G06
4976D65G06

Required Categories

OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
FREQUENCY IN HERTZ
TRIP RE

Required Description

120.0 AC AND
30.0 DC SINGLE LOCATION
60.0 SINGLE LOCATION
THERMAL SINGLE LOCA