5925-00-998-7438 CIRCUIT BREAKER BOX Index 5925-00-998-7440 CIRCUIT BREAKER

National Stock Number:
5925-00-998-7439

Federal Supply Class:
5925

National Item Identification Number:
009987439

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:
8035434-518876U S ARMY AVIATION AND MISSILE COMMAND
Q310030086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.
Q310060555SIEMENS-ALLIS INC
Q310091623SIEMENS-ENERGY AND AUTOMATION INC POWER BREAKER DIV
QP3B10030086L3HARRIS MARITIME POWER & ENERGY SOLUTIONS, INC.


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT EACH POLE
ARC QUENCHING METHODAIR
BODY HEIGHT2.375 INCHES NOMINAL
BODY LENGTH2.875 INCHES NOMINAL
BODY STYLEMULTIPOLE-MULTIPLE ACTUATOR TYPE
BODY WIDTH3.000 INCHES NOMINAL
BOSS HEIGHT0.187 INCHES NOMINAL
CASE MATERIALPLASTIC
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.000 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
EXTERNAL ACTUATOR LINKAGE ARRANGEMENTONE, TWO, AND THREE LINKED
FRAGILITY FACTORMODERATELY RUGGED
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT AND MOISTURE RESISTANT
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS240.0 AC ALL LOCATIONS
MANUAL ACTUATOR TYPE AND QUANTITY3 TOGGLE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE100.0 AMPERES AC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS10000.0 AC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY3 SLOT
MOUNTING SLOT WIDTH0.094 INCHES NOMINAL
POLE QUANTITY3
RESET METHODMANUAL
SPECIAL FEATURESMOUNTING METHOD IS TERMINAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY3 CLIP AND 3 COMPRESSION
TRIP RELEASE AMBIENT TEMP RATING40.0 CELSIUS MAXIMUM ALL LOCATIONS
TRIP RELEASE CHARACTERISTICINSTANTANEOUS ALL LOCATIONS
TRIP RELEASE METHODTHERMAL-MAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS


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