5925-01-040-0438, CIRCUIT BREAKER

National Stock Number:
5925-01-040-0438

Federal Supply Class:
5925

National Item Identification Number:
010400438

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:

209-1-21432-5	81541	SENSATA TECHNOLOGIES MARYLAND, INC
CD-1-H3-U-100-125VDC-1	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
SC-D-691338-5	80063	US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
BODY HEIGHT	1.026 INCHES NOMINAL
BODY LENGTH	5.800 INCHES NOMINAL
BODY STYLE	SINGLE POLE TYPE
BODY WIDTH	2.609 INCHES NOMINAL
CASE MATERIAL	PLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH	4.852 INCHES NOMINAL
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH	2.750 INCHES NOMINAL
FRAGILITY FACTOR	MODERATELY RUGGED
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	FUNGUS RESISTANT AND MOISTURE RESISTANT
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	125.0 DC SINGLE LOCATION
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	100.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	500.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE AND 1 UNTHREADED HOLE AND 1 SLOT
MOUNTING SLOT WIDTH	0.178 INCHES NOMINAL
NOMINAL THREAD SIZE	0.138 INCHES
POLE QUANTITY	1
RESET METHOD	MANUAL
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC-HYDRAULIC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	11.000 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 SINGLE LOCATION
UNTHREADED MOUNTING HOLE DIAMETER	0.164 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	2 SCREW
THREAD SERIES DESIGNATOR	UNC
THREAD QUANTITY PER INCH	32

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