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 Homeline 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.