EFS Series Explosionproof Pilot Light Control Stations


EFS Explosionproof Pilot Light Control Stations are used:

  • To visually indicate at a remote location that the desired function is being performed
  • In areas which are hazardous due to the presence of flammable vapors, gases or highly combustible dusts
  • For installation at petroleum refineries, chemical and petrochemical plants and other process industry facilities where similar hazards exist
Voltages 110-600VAC
Enclosure Hub Sizes 1/2"; 3/4"; 1"
Types Dead end or through feed
Number of Pilot Lights Single or double
Pilot Light Colors Available Red; green; amber; clear; blue
Body Material Feraloy® iron alloy (U.S.); copper-free aluminum (Canada)
Pilot Light Cover Material Feraloy® iron alloy
Operating Shaft Material Stainless steel


  • Small, compact enclosures with accurately ground flange on both body and cover for flame-tight joint
  • Pilot lights are factory sealed; conventional external seals are not required
  • Dead end (EFS) or through feed (EFSC) hubs – 1/2" to 1" sizes