NSN 5925-01-010-8921
Part Details | CIRCUIT BREAKER
5925-01-010-8921 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.
Alternate Parts: 9002D301, 9002D30-1, 9002D301, 9002D30-1, 204130053, 204-13005-3, 5925-01-010-8921, 01-010-8921, 5925010108921, 010108921
Supply Group (FSG) | NSN Assigned | NIIN | Item Name Code (INC) |
---|---|---|---|
59 | OCT 09, 1975 | 01-010-8921 | 00136 ( CIRCUIT BREAKER ) |
REFERENCE DRAWINGS & PICTURES
RECTANGULAR DIMENSIONAL ENVELOPE

Cross Reference | NSN 5925-01-010-8921
Part Number | Cage Code | Manufacturer |
---|---|---|
9002D30-1 | 99167 | HAMILTON SUNDSTRAND CORPORATION |
9002D30-1 | 83843 | SUNDSTRAND CORPELECTRIC POWER SYSTEMS DIV |
204-13005-3 | 81205 | THE BOEING COMPANYDBA BOEING |
Technical Data | NSN 5925-01-010-8921
Characteristic | Specifications |
---|---|
POLE QUANTITY | 3 |
TERMINAL TYPE AND QUANTITY | 6 THREADED STUD |
RESET METHOD | MANUAL |
BODY STYLE | RECTANGULAR DIMENSIONAL ENVELOPE |
CASE MATERIAL | PLASTIC |
MOUNTING FACILITY TYPE AND QUANTITY | 4 UNTHREADED HOLE |
MAIN CONTACT TRIPPING MECHANISM TYPE | TRIP FREE |
OVERALL LENGTH | 6.120 INCHES MAXIMUM |
OVERALL HEIGHT | 3.920 INCHES MAXIMUM |
OVERALL WIDTH | 4.950 INCHES MAXIMUM |
UNTHREADED MOUNTING HOLE DIAMETER | 0.214 INCHES MINIMUM AND 0.228 INCHES MAXIMUM |
AUXILIARY SWITCH FUNCTION AND QUANTITY | 1 ALARM |
SWITCH LOCATION AND POSITION DESIGNATION | INTERNAL AT POLE THREE |
SWITCH CONTACT ARRANGEMENT | SINGLE POLE, DOUBLE THROW |
SWITCH CURRENT RATING AND TYPE IN AMPS | 7.5 AC |
INCLOSURE PROTECTION TYPE FOR WHICH DESIGNED | CORROSION RESISTANT AND HUMIDITY RESISTANT AND MOISTURE RESISTANT AND FUNGUS RESISTANT |
ARC QUENCHING METHOD | MAGNETIC BLOWOUT |
STORAGE TYPE | E ANY ACCEPTABLE |
UNPACKAGED UNIT WEIGHT | 4.500 POUNDS |
FRAGILITY FACTOR | MODERATELY RUGGED |