National Item Identification Number

00-964-4988
009644988
5925-00-964-4988
5925009644988

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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79500

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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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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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79500

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88601

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WESTINGHOUSE ELECTRIC CORP
MEDIUM POWER TRANSFORMER DIV
469 SHARPSVILLE AVE
SHARON
PA
16146

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79500

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Reference Numbers (Part Numbers)

EA2050
EA2050
S656D222G06
1774204
1774204
656D222G06

Required Categories

POLE QUANTITY
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
OPERATING VOLTAG

Required Description

2
50.0 AMPERES AC AND
50.0 AMPERES DC ALL LOCATIONS
240.0 AC AND
250.0 DC AL