Heavy-duty mechanical time switch is designed for industrial, commercial, and residential applications. Has the highest HP ratings in the industry for loads up to 40A resistive from 120-277 volts providing direct 24 hour time switch control of most loads. Provides 1 to 12 On/Off operations each day with minimum On/Off times of 1 hour. All models are equipped with 1 On and 1 Off tripper. Combination 1/2''-3/4'' nominal knockouts, 1 on back and each side of case, 2 on bottom. Steel case is 7-3/4'' H. x 5'' W. x 3'' D. Spring hasp with hole for lock, side hinged door closed. 3 mounting holes on back. UL listed. CSA approved. No. T101: Single pole/single throw switch, 125V, 60 Hz, HP rating: 2 No. T101P: Single pole/single throw switch, 125V, 60Hz, HP rating: 2, plastic case, Available Only At Lexington No. T103: Double pole/single throw switch, 125V, 60 Hz, HP rating: 2 No. T104: Double pole/single throw switch, 208-277V, 60 Hz, HP rating: 5 No. T104R: Double pole/single throw switch, 208-277V, 60 Hz, HP rating: 5, Raintight, Available Only At Lexington, Woodburn, Mesquite