National Item Identification Number
00-492-2251
004922251
5925-00-492-2251
5925004922251
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
89946
WESTINGHOUSE ELECTRIC CORP
LOW VOLTAGE BREAKER DIV
ONE TUSCARAWAS RD
BEAVER
PA
15009
724-775-2000
Reference Numbers (Part Numbers)
EHB2010
S451D852G09
4989D52G17
Required Categories
POLE QUANTITY
MAXIMUM CONTINUOUS LOAD CURRENT RATING PER POLE
OPERATING VOLTAG
Required Description
2
10.0 AMPERES AC AND
10.0 AMPERES DC ALL LOCATIONS
480.0 AC AND
250.0 DC AL