Class I, Div. 1 & 2, Groups B,C,D / Class I, Zones 1 & 2, Groups IIB, IIA / Class II, Div. 1 & 2, Groups F,G / Class III / NEMA 3, 7 (B,C,D), 9 (F,G) / UL (E91049 & E53660) CSA (LR14667)
Mechanical Interlock Device Voltage 600V AC Amps 30 A HP 20 hp Number of Wires 3 Number of Poles 4 Hub Size 1 in Screws Stainless Steel Material Copper-Free Aluminum Finish Epoxy Polyester NEMA Rating 3 4 4X 7(B C D) 9(F G)