The MD motor disconnect switch is listed UL 508 Suitable for Motor Control (UL File E164864) and conforms to IEC standard 60947-3. It is in a compact NEMA 4X enclosure suitable for use in NEMA 1, 3, 3R, 4, 4X, and 12 applications. This three pole 60 A motor disconnect switch has a 20 HP rating at 240 VAC, a 40 HP rating at 480 VAC and a 40 HP rating at 600VAC. The red handle interlock prevents the removal of the cover when the switch is in the ON position. This MD motor disconnect switch has an extremely small footprint. It is 6.38 inches tall, 3.9 inches wide and 4.37 deep. Switch is UL listed and CSA certified.