5925-01-070-3560, CIRCUIT BREAKER

National Stock Number:
5925-01-070-3560

Federal Supply Class:
5925

National Item Identification Number:
010703560

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:

HQ3-B070	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
Q370HH	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
Q370HH	60555	SIEMENS-ALLIS INC

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
BODY HEIGHT	2.562 INCHES NOMINAL
BODY LENGTH	3.125 INCHES NOMINAL
BODY STYLE	MULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH	3.000 INCHES NOMINAL
BOSS HEIGHT	0.188 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	1.000 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE, TWO, AND THREE LINKED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	3 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	70.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	75000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	3 SLOT
MOUNTING SLOT WIDTH	0.190 INCHES NOMINAL
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
TERMINAL TYPE AND QUANTITY	6 COMPRESSION
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	138.0 ALL LOCATIONS

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