5925-00-729-0454, CIRCUIT BREAKER

5905-00-729-0455 RESISTOR,FIXED,WIRE WOUND,INDUCT

National Stock Number:
5925-00-729-0454

Federal Supply Class:
5925

National Item Identification Number:
007290454

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:

2110-292-1	11871	RECON/OPTICAL, INC.
2110-292-1	80294	BOURNS INSTRUMENTS INC
7732883P27	24446	GENERAL ELECTRIC COMPANY
7732883P27	99971	LOCKHEED MARTIN CORP NAVAL ELECTRONICS & SURVEILLANCE SYSTEMS

Techincal Specification:

ACTUATOR FUNCTION	RESET
ARC QUENCHING METHOD	AIR
CIRCUIT PROTECTION TYPE	OVERCURRENT SINGLE LOCATION
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF AND EXPLOSION PROOF
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY	1 PUSH BUTTON
OVERALL HEIGHT	1.750 INCHES NOMINAL
OVERALL LENGTH	0.891 INCHES NOMINAL
OVERALL WIDTH	0.750 INCHES NOMINAL
MATERIAL	PLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	3.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	4.5 DC SINGLE LOCATION
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	28.0 DC SINGLE LOCATION
POLE QUANTITY	1
PRECIOUS MATERIAL	SILVER
RESET METHOD	MANUAL
TERMINAL TYPE AND QUANTITY	2 SCREW
TRIP RELEASE AMBIENT TEMP RATING	25.0 CELSIUS NOMINAL SINGLE LOCATION
TRIP RELEASE CHARACTERISTIC	TIME DELAY SINGLE LOCATION
TRIP RELEASE METHOD	MAGNETIC SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	4.000 MINIMUM AT 200 PCT AND 100.000 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	200.0 SINGLE LOCATION

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