5925-00-257-7066, CIRCUIT BREAKER

4720-00-257-7070 HOSE ASSEMBLY,NONMETALLIC

National Stock Number:
5925-00-257-7066

Federal Supply Class:
5925

National Item Identification Number:
002577066

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:

452-1420-9	04901	BOONTON ELECTRONICS CORPORATION
AM13-0.5	74193	EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV

Techincal Specification:

POLE QUANTITY	1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	500.0 MILLIAMPERES AC SINGLE LOCATION
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY	2 THREADED STUD
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	125.0 AC SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
RESET METHOD	AUTOMATIC
MOUNTING FACILITY TYPE AND QUANTITY	2 THREADED HOLE
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
FREQUENCY IN HERTZ	60.0 SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	2000.0 AC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	6.000 MINIMUM AT 125 PCT AND
	22.000 MAXIMUM AT 125 PCT AND
	2.500 MINIMUM AT 200 PCT AND
	7.500 MAXIMUM AT 200 PCT AND
	0.800 MINIMUM AT 300 PCT AND
	2.500 MAXIMUM AT 300 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	150.0 SINGLE LOCATION
OVERALL LENGTH	2.500 INCHES NOMINAL
OVERALL HEIGHT	3.172 INCHES NOMINAL
OVERALL WIDTH	0.750 INCHES NOMINAL
THREAD SERIES DESIGNATOR	UNC
NOMINAL THREAD SIZE	0.138 INCHES
THREAD QUANTITY PER INCH	32
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	MOISTURE RESISTANT AND
	SHOCKPROOF AND
	VIBRATIONPROOF

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