3950-01-073-5770 HOIST,CHAIN Index 5925-01-073-5772 CIRCUIT BREAKER

National Stock Number:
5925-01-073-5771

Federal Supply Class:
5925

National Item Identification Number:
010735771

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:
FB-3190ML89946EATON CORPORATION
FB3190ML11660WESTINGHOUSE ELECTRIC CORP CONTROL BUSINESS UNIT


Techincal Specification:
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE TWO
BODY HEIGHT3.375 INCHES NOMINAL
BODY LENGTH6.000 INCHES NOMINAL
BODY STYLEMULTIPOLE-SINGLE ACTUATOR TYPE
BODY WIDTH4.125 INCHES NOMINAL
BOSS HEIGHT0.125 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO LENGTH5.031 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN TERMINALS PARALLEL TO WIDTH1.375 INCHES NOMINAL
CIRCUIT PROTECTION TYPEOVERCURRENT ALL LOCATIONS
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY LENGTH4.500 INCHES NOMINAL
DISTANCE BETWEEN CENTERLINES OF MOUNTING FACILITIES PARALLEL TO BODY WIDTH1.375 INCHES NOMINAL
FREQUENCY IN HERTZ60.0 ALL LOCATIONS
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDFUNGUS RESISTANT
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP ALL LOCATIONS
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
MATERIALPLASTIC CASE
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE190.0 AMPERES AC AND 190.0 AMPERES DC ALL LOCATIONS
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS15000.0 AC AND 10000.0 DC ALL LOCATIONS
MOUNTING FACILITY TYPE AND QUANTITY6 UNTHREADED HOLE
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS600.0 AC AND 250.0 DC ALL LOCATIONS
POLE QUANTITY3
RESET METHODMANUAL
TERMINAL TYPE AND QUANTITY6 SCREW
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT35.000 MINIMUM AT 200 PCT AND 60.000 MAXIMUM AT 200 PCT ALL LOCATIONS
TRIP RELEASE CHARACTERISTICTIME DELAY ALL LOCATIONS
TRIP RELEASE METHODMAGNETIC ALL LOCATIONS
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT125.0 ALL LOCATIONS
UNTHREADED MOUNTING HOLE DIAMETER0.188 INCHES NOMINAL


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