The 24HR TIMESW W/O BAT BU 220V 50 Hz MNL OR 24-Hour timer modules are designed to be mounted inside a control panel and can accommodate flush mounting. The time switches are light-duty commercial switches ideal for 220 VAC single phase applications, such as lighting control, HVACR, pumps, motors, fan controls, access controls, OEM applications, agricultural facilities, and general purpose Electrical circuits.