duty safety switch has a voltage rating of 240-Volts AC, 250-Volts DC and current rating of 100-Amps. The 3-Pole, 1/3-Phase, 3-Wire switch features Class H fuse and is load breakable and load make rated. The surface mount switch in painted finish, has steel construction for strength and durability. The 3PST switch has a maximum load capacity of 1-Phase .5 at 240-Volts AC (standard fuse), 3-Phase 15 at 240-Volts AC (standard fuse), 15 at 240-Volts AC (time delay fuse) and 20 at 250-Volts DC. The fusible switch without neutral has NEMA 1 rating that makes the switch suitable for service entrance, and industrial applications. The safety switch meets UL E5239, 98 and NEMA KS-1 standards.