Tork 1101 SPST Mechanical time switch. Automatic ON-OFF control when operation is required at the same time every day, 7 days a week. Lighting-- Pumps--Signs--Air Conditioning--Water Heating--Fans. SPST 40A 2HP 120V 60HZ. General Purpose (NEMA 1). Drawn steel, beige enamel, with combination 1/2 and 3/4 K.O.’s on sides, bottom and back. Lockable hasp. Cover is removable and movement releases from case at finger touch for easy installation. Back has keyhole as well as matching screw holes for quick mounting over single gang box. Equivalent to Intermatic T101, Paragon 4001-00.