5925-01-023-2472, CIRCUIT BREAKER

National Stock Number:
5925-01-023-2472

Federal Supply Class:
5925

National Item Identification Number:
010232472

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:

Q0B270	88434	SQUARE D CO
QOB270	56303	SCHNEIDER ELECTRIC USA, INC.

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESETTRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONEAT POLE ONE
ARC QUENCHING METHOD	MAGNETIC BLOWOUTMAGNETIC BLOWOUT
BODY HEIGHT	2.750 INCHES NOMINAL2.750 INCHES NOMINAL
BODY LENGTH	3.000 INCHES NOMINAL3.000 INCHES NOMINAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	1.484 INCHES NOMINAL1.484 INCHES NOMINAL
BOSS HEIGHT	0.156 INCHES NOMINAL0.156 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	0.734 INCHES NOMINAL0.734 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONSOVERCURRENT ALL LOCATIONS
FRAGILITY FACTOR	MODERATELY RUGGEDMODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANTFUNGUS RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS240.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE1 TOGGLE
MATERIAL	PLASTIC CASEPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	70.0 AMPERES AC ALL LOCATIONS70.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	5000.0 AC ALL LOCATIONS5000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 TERMINAL4 TERMINAL
POLE QUANTITY	22
RESET METHOD	MANUALMANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	0.200 MAXIMUM AT 200 PCT ALL LOCATIONS0.200 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL ALL LOCATIONS40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND INSTANTANEOUS AND TIME DELAY ALL LOCATIONSTIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONSTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS125.0 ALL LOCATIONS
UNPACKAGED UNIT WEIGHT	8.200 OUNCES NOMINAL8.200 OUNCES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 CLIP AND 2 CLIP AND 2 SCREW2 SCREW

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