The Schneider REXL4TMB7 Timer 250VAC 3A REXL is an electromechanical timer that switches power supplies and electrical loads with a predetermined timing cycle, for use in a variety of industrial settings. It features a dial adjustment with a range of 1 to 60 minutes and can handle up to 250VAC, 3A. The timer is UL Listed, CSA certified, and has a maximum ambient temperature of +50C.