Shopping Cart |  My Account  

371 GuardSwitch Explosion Proof

Interlock Switch


This switch is a defeat resistant interlock/position sensor for an explosive environment. The enclosure is UL classified for: Class I, Group B,C,D; Class II, Group E,F,G; Class III, Divisions 1 & 2.  


-  Explosive Environments
      - Automobile Point Booths
      - Industrial POint Booths
      - Chemical/Toxic Environments
      - Fertilizer Manufacturers
      - Grain Mills

-  Requiring Highly Defeat Resistant Switches

-  Enclosure UL classified classes for hazardous locations classes:
      - Class I, Group B ,C, D
      - Class II, Group E, F, G
      - Class III, Divisions 1 & 2

371 GuardSwitch Explosion Proof

Link to this product

Catalog Numbers

Purchase from the Edwards on-line store or Locate a distributor in your area
Enter your Zip Code:
Catalog Number

N.O., 2.5VA / 2.5W, 30VAC DC, 1/2 in. Threaded NPT
Black Anodized Aluminum
See catalog page


N.O., 150VA, 120VAC, 1/2 in. Threaded NPT
Black Anodized Aluminum
See catalog page




Agency Approvals

UL Listed Enclosure (E88735)
cULus Recognized (E122942)
NEMA Ratings:  1, 2, 5
Protection Class:  IP64


Enclosure:    UL Explosion Proof,  Black Anodized Die Cast Aluminum

Temperature Range :   -40F to 180F (-40C to 80C)

Environmental:    Hermetically sealed contact switch encapsulated in polyurethane

Response time:   1 msec (5. AVA); 10 msec (150VA)

Life cycles:   100,000 under full load;  Up to 200,000,000 under dry circuit

Conduit Connection:   1/2 " Threaded NPT


Catalog Pages
Installation Instructions