This heavy-duty mechanical time switch is designed for industrial, commercial, and residential applications. This time switch has the highest horsepower rating in the industry for loads up to 40 Amps Resistive from 110 to 480 Volts, providing direct 24 hour time switch control of most loads. This series provides 1 to 12 "ON/OFF" operations each day with minimum ON/OFF times of 1 hour. All models are equipped with ON" and OFF" tripper. Perfect for multi-light installations.