5925-01-330-0491, CIRCUIT BREAKER

National Stock Number:
5925-01-330-0491

Federal Supply Class:
5925

National Item Identification Number:
013300491

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:

Q240

66842

SIEMENS ENERGY AND AUTOMATION INC ITE CIRCUIT PROTECTION DIV

Techincal Specification:

POLE QUANTITY	2
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE	40.0 AMPERES AC ALL LOCATIONS
CIRCUIT PROTECTION TYPE	OVERCURRENT ALL LOCATIONS
TERMINAL TYPE AND QUANTITY	4 CLIP
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS	240.0 AC ALL LOCATIONS
TRIP RELEASE CHARACTERISTIC	INSTANTANEOUS ALL LOCATIONS
RESET METHOD	MANUAL
BODY STYLE	RECTANGULAR DIMENSIONAL ENVELOPE
MOUNTING FACILITY TYPE AND QUANTITY	4 TERMINAL
CASE MATERIAL	PLASTIC
TRIP RELEASE METHOD	MAGNETIC ALL LOCATIONS
FREQUENCY IN HERTZ	60.0 ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS	18000.0 AC ALL LOCATIONS
INTERNAL TRIP RELEASE CONFIGURATION	SERIES TRIP ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT	125.0 ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPE	TRIP FREE
OVERALL LENGTH	7.125 INCHES NOMINAL
OVERALL HEIGHT	3.375 INCHES NOMINAL
OVERALL WIDTH	5.125 INCHES NOMINAL
MANUAL ACTUATOR TYPE AND QUANTITY	2 TOGGLE
ACTUATOR FUNCTION	TRIP-RESET
ACTUATOR POSITION DESIGNATION	AT EACH POLE
EXTERNAL ACTUATOR LINKAGE ARRANGEMENT	ONE AND TWO LINKED
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED	DUSTPROOF AND
	FUNGUS PROOF
ARC QUENCHING METHOD	MAGNETIC BLOWOUT
STORAGE TYPE	GENERAL PURPOSE WAREHOUSE
FRAGILITY FACTOR	MODERATELY RUGGED

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