National Item Identification Number

01-316-8294
013168294
5925-01-316-8294
5925013168294

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)

---

Reference Numbers (Part Numbers)

HM2-Z04-303
MIL-C-39019/4
M39019/04-303

Required Categories

POLE QUANTITY
OPERATING VOLTAGE TYPE AND RATING PER POLE IN VOLTS
FREQUENCY IN

Required Description

2
240.0 AC AND
50.0 DC ALL LOCATIONS
60.0 OR
400.0 ALL LOCATIONS
MAGNETIC A