Eaton K Series 3-Pole 4-Wire Heavy-duty safety switch is rated at 100-Amps and 600-Volt AC. It has power rating of 30 hp at 480-Volt AC, 40 hp at 600-Volt AC for 1-Phase, 60 hp at 480-Volt AC and 75 hp at 600-Volt AC for 3-Phase. Surface mountable switch features painted steel construction. Fusible switch with solid neutral, has mechanically interlocked cover that prevents internal device access during On position. It measures 22.5-Inch x 12.75-Inch x 9-Inch. This 3PST switch uses Class H cartridge fuse for providing protection to low-voltage electrical installation against short-circuit/overload current. It is perfect for heavy commercial and industrial applications where reliable performance and service continuity are critical. It has NEMA 1 rated indoor enclosure for safety. Switch is UL listed.