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.
NSN 5895-00-031-3591
NSN 5985-00-551-3244
NSN 5910-01-224-8023
NSN 5999-01-384-3260
NSN 6620-01-022-9868
NSN 5910-01-146-6685
NSN 5835-01-373-9506
NSN 4140-01-500-8334
NSN 6650-01-486-7221
NSN 6135-00-998-5884
NSN 2925-01-338-7126
NSN 4140-01-025-9699