T170 Series mechanical 24-hour time switch is designed for commercial, industrial and residential applications. Skipper™ feature enables users to omit operation on selected day(s) of the week. Controls loads up to 40 amps per pole. Direct 24-hour control on selected day(s) of the week. 1 to 10 ON/OFF operations per day. Minimum ON/OFF times of 1 hour. Manual Override. 4PST models are ideal for 3-phase load control. Equipped with one CUTOUT (ON), one OFF and three day-skipper screws. 16 hours of reserve power on models with carryovers.