– Class I, Division 1 and 2, Groups C, D
– Class II, Division 1 and 2, Groups E, F, G
– Class III
– NEMA 3, 3R, 7CD, 9EFG
EDS Series factory sealed tumbler switches prevent ignition of hazardous atmospheres by containing any arcing within a factory sealed enclosure. Many models are suitable for use in locations where Group B gases (hydrogen) are present. Front operated and side rocker arm models are available, and both types can be padlocked in either the on or off position.