5925-01-105-0925, CIRCUIT BREAKER

National Stock Number:
5925-01-105-0925

Federal Supply Class:
5925

National Item Identification Number:
011050925

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:

ETN5309

30086

L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
ADJUSTABLE TRIP SETTING CURRENT RANGE PER POLE IN AMPS	+650.0 TO 1300.0 AC ALL LOCATIONS
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
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
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	500.0 AC ALL LOCATIONS
OVERALL HEIGHT	6.812 INCHES NOMINAL
OVERALL LENGTH	12.000 INCHES NOMINAL
OVERALL WIDTH	9.000 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	15000.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	250.0 AMPERES AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)
POLE QUANTITY	3
RESET METHOD	MANUAL
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	125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.250 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	6 THREADED STUD

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