Having introduced the first winding mechanical time clock in 1922, NSI/TORK® has continued to engineer and manufacture the mpst specified mechanical time switches for all applications. Industry workhorse 1101 Series controls are still the most popular time switch for 24 hour/same schedule control of lighting; UL Listed for modern LED lighting. Duty cycle 7000 Series, heavy duty 480V 8000 Series and the automatic voltage input of the TU40 Series are just the beginning.

One of our most popular sellers is the 1101b available for purchase here.  A 24 Hour Time Switch 40A 120V SPST with Indoor Metal Enclosure