5925-01-206-2823, CIRCUIT BREAKER

5310-01-206-2822 NUT,SELF-LOCKING,HEXAGON

National Stock Number:
5925-01-206-2823

Federal Supply Class:
5925

National Item Identification Number:
012062823

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:

C115521-1	81755	LOCKHEED MARTIN CORPORATION
FLB42-WT50-2-S168-S454V	15235	CROUSE-HINDS CO

Techincal Specification:

ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT POLE ONE
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
FREQUENCY IN HERTZ	50.0 OR 60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	EXPLOSION PROOF
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
OVERALL HEIGHT	6.250 INCHES NOMINAL
OVERALL LENGTH	10.125 INCHES NOMINAL
OVERALL WIDTH	7.000 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	1 TOGGLE
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	10000.0 AC ALL LOCATIONS
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	50.0 AMPERES AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY	2 UNTHREADED HOLE(S)
POLE QUANTITY	2
PRECIOUS MATERIAL AND LOCATION	CONTACTS SILVER
PRECIOUS MATERIAL	SILVER
RESET METHOD	MANUAL
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT	85.000 MINIMUM AT 200 PCT AND 240.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE AMBIENT TEMP RATING	40.0 CELSIUS NOMINAL ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS AND TIME DELAY ALL LOCATIONS
TRIP RELEASE METHOD	THERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER	0.430 INCHES NOMINAL
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY	4 COMPRESSION

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