5925-00-878-4077, CIRCUIT BREAKER

National Stock Number:
5925-00-878-4077

Federal Supply Class:
5925

National Item Identification Number:
008784077

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:

EQP9412	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
LB120	0B1N8	T AND L ELECTRICAL CORP
Q120	076M6	AMZ ALABAMA INC.
Q120	0FW39	BAE SYSTEMS TACTICAL VEHICLE SYSTEMS LP
Q120	60555	SIEMENS-ALLIS INC
Q120	66842	SIEMENS ENERGY AND AUTOMATION INC ITE CIRCUIT PROTECTION DIV
QP1B020	89914	I-T-E IMPERIAL CORP SUBSIDIARY OF GOULD INC ATLANTA MARINE DEPT

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY HEIGHT	2.312 INCHES NOMINAL
BODY LENGTH	3.000 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	0.734 INCHES NOMINAL
BOSS HEIGHT	0.250 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 TERMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC SINGLE LOCATION
POLE QUANTITY	1
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	1 CLIP AND 1 COMPRESSION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	60.000 NOMINAL AT 150 PCT AND 20.000 NOMINAL AT 200 PCT SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	THERMAL-MAGNETIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION

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