EDS and EFS Series Explosionproof Selector Switch Control Stations
Factory sealed enclosures are used:

To prevent arcing of enclosed device from causing ignition of a hazardous atmosphere external to the enclosure In conjunction with magnetic starters or contactors for remote control of motors

Manual motor starters are used:

For manual starting of small AC/DC motors

To provide manual starting and stopping and motor running protection (with heater)

Reduce installation problems

Eliminate external seals

Lower installation costs

Improve safety

Are used with general purpose snap and pushbutton type switches

Standard neoprene covers for front operated pushbuttons; prevents accumulation of dirt and entrance of water around operating shafts

Mounting lugs and taper tapped hubs with integral bushings

Large machine screws for fastening covers to bodies

Lockout provisions on front operated pushbutton (marked "STOP" and "OFF") and selector switch covers

Lockout hole for padlock having 1/4" hasp is provided when used with covers for front lever and side rocker type operation

Close tolerances in machining of wide, mating flanges and journalled shafts and bearings for front button operation, produces flametightness of enclosure joints

On enclosures with front lever and side rocker type operating handles, threaded type shafts and bushings are used to ensure flametightness

Dead end (EFS or EDS) or through feed (EFSC or EDSC) hubs – 1/2" to 1" sizes

Class I, Divisions 1 & 2, Groups B*, C, D
Class II, Division 1, Groups E, F, G
Class II, Division 2, Groups F, G
Class III