2930-01-508-3909

5925-12-394-3990 5925123943990 123943990 is 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.

1680-01-394-3990 1680013943990 013943990 is a panel, upon which are mounted such items as indicator lights, meters, relays, switches and the like, which is specifically designed for the purpose of controlling the operation of electrical and electronic equipment. see also panel, test, electrical.

3040-14-394-3990 3040143943990 143943990 is a rigid item usually in the form of an arm of various shapes and cross sections, containing two or more holes so spaced that one serves as a pivot with or without hubs and must have a definite means for securing to a shaft (such as threaded hole for set-screw, keyway(s), splines, serrations or some clamping device). the other hole(s) connect(s) to connecting link, rigid; wire rope assembly, single leg; or clevis, rod end; to provide transmission of movement to other parts of the mechanism. see also bell crank. for manually operated items see lever, manual control.