5925-01-247-9386, CIRCUIT BREAKER

National Stock Number:
5925-01-247-9386

Federal Supply Class:
5925

National Item Identification Number:
012479386

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:

12-771000-47	52414	EMERSON ELECTRIC CO COMPUTER POWER DIV
12-771342-47	52414	EMERSON ELECTRIC CO COMPUTER POWER DIV
TKMA31200	60969	GENERAL ELECTRIC CO ELECTRICAL DISTRIBUTION AND CONTROL
TKMA31200WL	60969	GENERAL ELECTRIC CO ELECTRICAL DISTRIBUTION AND CONTROL

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE TWO
ARC QUENCHING METHOD	AIRAIR
BODY HEIGHT	5.500 INCHES NOMINAL5.500 INCHES NOMINAL
BODY LENGTH	12.750 INCHES NOMINAL12.750 INCHES NOMINAL
BODY STYLE	MULTIPOLE-SINGLE ACTUATOR TYPEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH	8.250 INCHES NOMINAL8.250 INCHES NOMINAL
BOSS HEIGHT	0.610 INCHES NOMINAL0.610 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	8.560 INCHES NOMINAL8.560 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH	2.750 INCHES NOMINAL2.750 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	UNDERVOLTAGE ALL LOCATIONS
CUBIC MEASURE	465.093 CUBIC INCHES465.093 CUBIC INCHES
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH	1.375 INCHES NOMINAL1.375 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	14.250 INCHES NOMINAL14.250 INCHES NOMINAL
FRAGILITY FACTOR	MODERATELY RUGGEDMODERATELY RUGGED
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	GENERAL PURPOSE
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	1200.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	1200.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	4 UNTHREADED HOLE(S)4 UNTHREADED HOLE(S)
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	600.0 AC ALL LOCATIONS
POLE QUANTITY	33
RESET METHOD	MANUAL
UNTHREADED MOUNTING HOLE DIAMETER	0.390 INCHES NOMINAL0.390 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	6 SCREW
TRIP RELEASE AMBIENT TEMP RATING	35.0 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	130.0 ALL LOCATIONS

Click here to Register for Free 30-day Trial