Time Switch 40A NEMA1 208-277 VAC, 60HZ Direct 24 hour control of most loads, Up to 12 ON/OFF operations each day with minimum ON/OFF times and hour. Has a Manuel override, and comes with on ON and OFF tripper. The T100 Series mechanical time switch has proven it can stand the test of time. These dependable time switches can handle electrical loads up to 40 A per pole and allow for up to 12 ON/OFF operations per day. A manual override switch provides added convenience. ^