The 7D FLUSH MNT W/O BAT BU 24V W/MO 7-Day timer modules are designed to be mounted inside a control panel and can accommodate surface/DIN Rail mounting. The time switches are light-duty commercial switches ideal for 120 VAC single phase applications, such as lighting control, HVACR, pumps, motors, fan controls, access controls, OEM applications, agricultural facilities, and general purpose electrical circuits.