Explosionproof Non-Illuminated Selector Switch, Type Long Bush, Contact Rating 600 VAC, Operation Type Maintained, Contact Configuration 4NC, Number of Positions 3, Throw Left-Center-Right, Enclosure Material Copper-Free Aluminum, Enclosure Class I Div 1 and 2 Group B C D, Class I Zone 1 and 2 Group IIA IIB, Class II Div 1 and 2 Group E F G, Class III, NEMA 4/7BCD/9EFG, Approval UL 886, CSA C22.2, Connection Size 3/4 Inch NPSM, Constructional Feature Explosionproof, Application Hazardous Location, Number of Cam Location 2