5999-00-890-7485 CONTACT,ELECTRICAL Index 5998-00-890-7488 CIRCUIT CARD ASSEMBLY

National Stock Number:
5925-00-890-7487

Federal Supply Class:
5925

National Item Identification Number:
008907487

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:
1018204018876U S ARMY AVIATION AND MISSILE COMMAND
AP6-267-181541SENSATA TECHNOLOGIES MARYLAND, INC


Techincal Specification:
POLE QUANTITY1
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE3.0 AMPERES DC SINGLE LOCATION
CIRCUIT PROTECTION TYPEOVERCURRENT SINGLE LOCATION
TERMINAL TYPE AND QUANTITY2 SCREW
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS50.0 DC SINGLE LOCATION
TRIP RELEASE CHARACTERISTICTIME DELAY SINGLE LOCATION
RESET METHODMANUAL
BODY STYLESINGLE POLE TYPE
MOUNTING FACILITY TYPE AND QUANTITY1 THREADED BUSHING
TRIP RELEASE METHODMAGNETIC SINGLE LOCATION
MAXIMUM INTERRUPTING CAPACITY CURRENT TYPE AND RATING PER POLE IN AMPS500.0 DC SINGLE LOCATION
INTERNAL TRIP RELEASE CONFIGURATIONSERIES TRIP SINGLE LOCATION
TRIP DELAY TIME IN SECONDS PER RATED CONTINUOUS CURRENT0.050 MINIMUM AT 200 PCT AND
0.950 MAXIMUM AT 200 PCT SINGLE LOCATION
ULTIMATE TRIP RATING OF CONTINUOUS CURRENT RATING PER POLE IN PERCENT115.0 SINGLE LOCATION
ULTIMATE TRIP TIME PER POLE IN SECONDS0.200 MINIMUM AND
7.000 MAXIMUM SINGLE LOCATION
MAIN CONTACT TRIPPING MECHANISM TYPETRIP FREE
BUSHING LENGTH0.450 INCHES MINIMUM AND
0.550 INCHES MAXIMUM
BODY LENGTH1.562 INCHES MAXIMUM
BODY WIDTH0.625 INCHES MAXIMUM
MOUNTING SURFACE TO TERMINAL END DISTANCE1.700 INCHES MAXIMUM
THREAD SERIES DESIGNATORUNEF
NOMINAL THREAD SIZE0.375 INCHES
THREAD QUANTITY PER INCH32
MANUAL ACTUATOR TYPE AND QUANTITY1 TOGGLE
ACTUATOR FUNCTIONTRIP-RESET
ACTUATOR POSITION DESIGNATIONAT POLE ONE
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNEDMOISTURE RESISTANT
TEST DATA DOCUMENT18876-10182040 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
SPEC/STD CONTROLLING DATA
MANUFACTURERS CODE18876
MFR SOURCE CONTROLLING REFERENCE10182040


Click here to Register for Free 30-day Trial