5925-01-255-1048, CIRCUIT BREAKER

National Stock Number:
5925-01-255-1048

Federal Supply Class:
5925

National Item Identification Number:
012551048

Description:
CIRCUIT BREAKER

Detail:
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.

Manufacturer Information:

7489A63H04

18323

NORTHROP GRUMMAN SYSTEMS CORPORATION

Techincal Specification:

BODY LENGTH	2.000 INCHES NOMINAL
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	2.250 INCHES NOMINAL
BUSHING LENGTH	0.690 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	1.560 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	0.750 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	1.660 INCHES NOMINAL
MOUNTING SURFACE TO TERMINAL END DISTANCE	2.032 INCHES NOMINAL
SPECIAL FEATURES	ACTUATOR STRENGTH 25 LBS;ACTUATOROPERATING STRENGTH 12LBS MAX;TERMINAL STRENGTH APPLIED LOAD 30LBS;APPLIED FORCE 10 LBS;TRIP FREE BREAKER WILL TRIPOPEN ON OVERLOAD;VOLTAGE RATING 240VAC400HZ;DIELECTRIC STRENGTH-BREAKERS WITHSTAND1500 VOLTS,60HZ FOR 60SEC OR1800VAC FOR 1 SEC BETWEEN ALL ELECTRICALLYISOLATED TERMINALS
POLE QUANTITY	3

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