1109AM-IAP 24 Hour Deposit Timer Mechanism with Adapter 120/208-277V 40A used to set recurring ON/OFF cycles for air conditioners, lights, water heaters, pumps, signs, fans and more. 24-hour scheduling controls power consumption on appliances that are used at the same time each day. Mechanical time switches are compatible with up to 12 pairs of trippers for automating an advanced 24-hour ON/OFF schedule. This time switch is cULus-listed for an input of 40 Amps at 120/208 to 277 Volts, comes with DPST outputs and has a terminal range of #8 to #14 AWG.