Indoor, Heavy Duty, Mechanical Timer, With Lockable Metal Box, Includes Convenient 1/2" & 3/4" Knock Outs For Conduit Entry/Exit, Double Pole, Single Throw Industrial Grade Timer, Manual Override On/Off Switch & Heavy Duty Gear Train, Up To 24 On/Off Settings Per Day For Flexible Programming, Segment Pins Permanently Attached So They Won't Get Lost, Rated For 5 HP, 28 FLA, 208-277V/60 HZ, DPST, 40A General Use, 40A Tungsten, 20A Ballast.