Provides direct 24 hour control of most loads, electrical loads up to 40 amps. 1 to 12 on/off operations each day with minimum on/off times of 1 hour. Manual override without changing settings. Comes with one on and one off tripper. Switchrating: each pole; 40 amp resistive, 120-480 VAC; 40 amp tungsten, inductive or 1000 VA pilot duty, 120-277 VAC; 2 HP (24 FLA) 120 VAC; 5 HP (28 FLA) 240 VAC.