EDS and EFD Series Explosionproof Snap Switches


EDS and EFD Snap Switches are used:

  • To prevent arcing of enclosed switch from causing ignition of a specific hazardous atmosphere external to the enclosure
  • In industrial areas such as oil and gas refineries, paint and varnish manufacturing plants, gasoline bulk loading terminals, grain elevators and coal processing where atmosphere may contain hazardous gases and/or dust
Type Front operated
Hub Sizes 3/4" or 1"
Styles 1-pole; 2-pole; 3-pole; 3-way; 4-way
Amperages 20 or 30A
Number of Gangs Single-gang or two-gang, dead end or through feed
Body and Cover Material Feraloy® iron alloy
Shaft Material Stainless steel
Shaft Bushing Material Stainless steel


  • Small and compact in design
  • Used with snap switches
  • Mounting lugs and taper tapped hubs with integral bushings
  • Large machine screws for fastening covers to bodies
  • Lockout hole for padlock having 1/4" hasp is provided
  • Threaded type shafts and bushings are used to ensure flametightness