- Ground flange joint between bolted cover and box provide required flame path
- Push button, selector switches and pilot light operator bodies are copper-free aluminum
- For hazardous locations due to the presence of flammable gases or vapors, combustible dusts or easily ignitable fiber or flyings and for installations at petroleum refineries, chemical and petrochemical plants and other processing or storage facilities where similar hazards exist and use in conjunction with magnetic starters or contactors for remote control of motors
- CSA File No. LR11714|UL File No. E53360|Class I Zones 1 and 2 Groups IIB, IIA|Class II Divisions 1 and 2 Groups E, F, G