... entries Specification: 2-G3/4" 4. Pole: single pole high quality SW-10 Series Explosion Proof Light Switch (IIB, DIP)•Application1. Design ... 1. Enclosure is die casted of aluminum alloy with high voltage electrostatic powder coated surface after shot blasted.2. ... Specification 1.Compliance withGB3836.1,GB3836.2,GB3836.3,IEC60079-0,IEC60079-1,IEC60079-72.Explosion protectionExed IIBT6, DIPA20TA,T63. ...