Fusible light-duty enclosed switch for residential applications such as workshop, hobby room, garage, water heater/furnace, farm equipment, well pump. Has a padlocking feature that can be locked in the off position to prevent operation. Ideal for overload and short-circuit protection of electrical systems. Compatible with home line load centers and CSED devices. Ansi (American National standards Institute) Certified and UL (underwriter's laboratories) listed for 120/240 vac and 10, 000 air. 3Hp-240v. Ul listed. File E2875. Meets or exceeds the NEMA (National Electrical manufacturers Association) standard Ks1.