5925-00-174-0434, CIRCUIT BREAKER

5345-00-174-0445 STONE,COMMUTATOR SURFACING

National Stock Number:
5925-00-174-0434

Federal Supply Class:
5925

National Item Identification Number:
001740434

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:

176399	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
700099SH8	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
MILC17587TYPEACB640	81349	MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M

Techincal Specification:

ACTUATOR FUNCTION	RESET
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	8.000 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	13.000 INCHES NOMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	250.0 DC ALL LOCATIONS
OVERALL HEIGHT	19.750 INCHES NOMINAL
OVERALL LENGTH	24.000 INCHES NOMINAL
OVERALL WIDTH	13.000 INCHES NOMINAL
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 ROTARY
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	480.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	25000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	6 UNTHREADED HOLE
POLE QUANTITY	2
REFERENCE NUMBER DIFFERENTIATING CHARACTERISTICS	AS DIFFERENTIATED BY THE POLE,AC RATING,INTERRUPTING CAPACITY,CIRCUIT PROTECTION,TRIPPING CURRENT,O/A DIM,MTG HOLES,TERMINALS AND SHORT TIME DELAY SETTING 1,280 AMP,TIME BAND NO. 3
RESET METHOD	MANUAL
SPECIAL FEATURES	AUXILIARY SWITCH INCLUDED,TRIPS INSTANTANEOUSLY AT 2.500 AMPS
TRIP RELEASE CHARACTERISTIC	TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.563 INCHES NOMINAL

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