Altech Corporation, founded in 1984, is a United States supplier of components and devices used in industrial control, instrumentation, medical and automation applications. The Altech product line includes miniature circuit breakers, busbars, DC-UPS devices, digital panel meters, DIN rail terminal blocks, printed circuit board terminal blocks, contactors, industrial relays, motor disconnect swi
The ZB4BJ291 is a padlockable, 2-position 'stay put' selector switch head with a long black handle and a 22mm mounting diameter.