5925-01-237-8109, CIRCUIT BREAKER

5905-01-237-8108 RESISTOR,FIXED,COMPOSITION

National Stock Number:
5925-01-237-8109

Federal Supply Class:
5925

National Item Identification Number:
012378109

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:

QF-120	30086	L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
QF-120	5V049	JO-KELL INC.
QF-120	60555	SIEMENS-ALLIS INC
QF120	66842	SIEMENS ENERGY AND AUTOMATION INC ITE CIRCUIT PROTECTION DIV
QF120	84588	FRANKLIN ELECTRIC CO INC

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	20.0 AMPERES AC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	2 BUS BAR
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	120.0 AC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
MOUNTING FACILITY TYPE AND QUANTITY	2 TERMINAL
CASE MATERIAL	PLASTIC
UNPACKAGED UNIT WEIGHT	0.400 POUNDS NOMINAL
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	10000.0 AC SINGLE LOCATION
TRIP RELEASE AMBIENT TEMP RATING	25.0 DEG CELSIUS NOMINAL ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	2.875 INCHES NOMINAL
OVERALL HEIGHT	1.000 INCHES NOMINAL
OVERALL WIDTH	2.375 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS PROOF
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
SPECIAL HANDLING FEATURE	MAGNETIC
FRAGILITY FACTOR	MODERATELY RUGGED

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