64 K Series 3-Pole 3-Wire Heavy-duty safety switch is rated at 600-Amps and 600-Volt AC. It has maximum load capacity of 200 hp at 240-Volt AC/400 hp at 480-Volt AC for 3-Phase and 500 hp at 600-Volt AC. Surface mountable switch features painted galvanized steel construction. Non-fusible switch manually connects or disconnects the load from the source. It measures 58-Inch x 27.5-Inch x 12-Inch. This 3PST switch has mechanically interlocked cover that prevents internal device access during On position. It is perfect for heavy commercial and industrial applications where reliable performance and service continuity are critical. It has NEMA 3R rated enclosure for safety. Switch is UL listed.