EFS Non-Sealed Tumbler Switches

Explosionproof, Dust-Ignitionproof.
  • NEC:
    – Class I, Division 1 and 2, Groups C, D
    Class II, Division 1 and 2, Groups E, F, G
    Class III
    NEMA 7CD, 9EFG

EFS Series non-sealed tumbler switches prevent ignition of hazardous atmospheres by containing any arcing within an explosionproof enclosure. Front operated and side rocker arm models are available, and both types can be padlocked in either the on or off position.

EFS Non-Sealed Tumbler Switches Catalog Pages

Applications Features Catalog Numbers Related Products
  • Designed to prevent arcing of enclosed switches in ignitable atmospheres during on/off switching of lighting and light power loads
  • For use in classified areas where ignitable vapors, gases or highly combustible dusts are present
  • Ideal for chemical and petrochemical plants, refineries and other process industries


EFS Non-Sealed Tumbler Switches