Explosionproof Non-Sealed Tumbler Switch Control Station, Constructional Feature Explosionproof, Dust-Ignitionproof, Voltage Rating 120 to 277 VAC, Current Rating 30 Ampere, Contact Configuration 2-Pole, Enclosure Material Zinc Electroplate Chromate Epoxy Powder Coated Malleable Iron, Enclosure Class I Div 1 and 2 Group C D, Class II Div 1 and 2 Group E F G, Class III, NEMA 3/7CD/9EFG, Approval UL 894/1203