5950-00-450-5188 COIL,RADIO FREQUENCY Index 5925-00-450-5190 CIRCUIT BREAKER

National Stock Number:
5925-00-450-5189

Federal Supply Class:
5925

National Item Identification Number:
004505189

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:
70-311-1MG674193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
990C91018323NORTHROP GRUMMAN SYSTEMS CORPORATION
990C910H0118323NORTHROP GRUMMAN SYSTEMS CORPORATION
AM-12-311-1MG674193EATON CORP HEINEMANN PRODUCTS COMMERCIAL CONTROLS DIV
APL1-1177-181541SENSATA TECHNOLOGIES MARYLAND, INC


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
ARC QUENCHING METHODMAGNETIC BLOWOUT
BODY LENGTH2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM
BODY STYLESINGLE POLE TYPE
BODY WIDTH0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM
BOSS HEIGHT0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH1.928 INCHES MINIMUM AND 1.948 INCHES MAXIMUM
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH2.052 INCHES MINIMUM AND 2.072 INCHES MAXIMUM
FRAGILITY FACTORMODERATELY RUGGED
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS PROOF AND HUMIDITY RESISTANT AND MOISTURE PROOF AND SHOCK RESISTANT AND VIBRATION RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE50.0 AMPERES DC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS3000.0 DC SINGLE LOCATION
MOUNTING FACILITY TYPE AND QUANTITY2 THREADED HOLE
MOUNTING SURFACE TO TERMINAL END DISTANCE2.611 INCHES NOMINAL
NOMINAL THREAD SIZE0.138 INCHES
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS28.0 DC SINGLE LOCATION
POLE QUANTITY1
RESET METHODMANUAL
STORAGE TYPEGENERAL PURPOSE WAREHOUSE
TERMINAL TYPE AND QUANTITY2 THREADED STUD
THREAD PITCH DIAMETERS+0.1177 TO 0.1214 INCHES
THREAD SERIES DESIGNATORUNC
THREAD QUANTITY PER INCH32
TRIP RELEASE CHARACTERISTICINSTANTANEOUS SINGLE LOCATION
TRIP RELEASE METHODMAGNETIC-HYDRAULIC SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT120.0 SINGLE LOCATION
UNPACKAGED UNIT WEIGHT4.250 OUNCES NOMINAL


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