5925-01-200-1960, CIRCUIT BREAKER

5925-01-200-1959 TRIPPER,CIRCUIT BREAKER

4820-01-200-1961 VALVE,CHECK

National Stock Number:
5925-01-200-1960

Federal Supply Class:
5925

National Item Identification Number:
012001960

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:

ACB640R TRP U COIL RTG 480A

30086

L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS	+960.0 TO 1280.0 AC ALL LOCATIONS
ARC QUENCHING METHOD	AIR
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
FEATURES PROVIDED	ADJUSTABLE TRIP RELEASE
FRAGILITY FACTOR	MODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	500.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	480.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	34000.0 AC ALL LOCATIONS
POLE QUANTITY	3
RESET METHOD	MANUAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS

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