National Item Identification Number
01-138-8504
011388504
5925-01-138-8504
5925011388504
National Stock Number
Item Name
CIRCUIT BREAKER
Federal Supply Class
5925
Description
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.
Commercial and Government Entity Code (Supplier Data)
89946
WESTINGHOUSE ELECTRIC CORP
LOW VOLTAGE BREAKER DIV
ONE TUSCARAWAS RD
BEAVER
PA
15009
724-775-2000
30086
SPD TECHNOLOGIES INC
13500 ROOSEVELT BLVD
PHILADELPHIA
PA
19116
215-698-6200
Reference Numbers (Part Numbers)
MIL-C-17361
313C682G36/452D377GXX
596300S31
Required Categories
SPECIAL FEATURES
NONDEFINITIVE SPEC/STD DATA
SPEC/STD CONTROLLING DATA
MANUFA
Required Description
WITH SHUNT TRIP
NQB-A250 TYPE
81349
MIL-C-17361