Intermatic Mechanical Time Switch 120V P/N: T101M 120 Volt AC 60 Hz Single Pole Single Throw 40 Amp These heavy duty Time Switch Mechanisms are designed for industrial, commercial and residential applications, and have the highest motor load ratings in the industry. They provide up to 12 ON-OFF operations each day with minimum ON-OFF time of 1 hour. All models are equipped with ON and OFF trippers and can be installed in almost all Intermatic enclosures