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Are the H60XFA, H60XFA1212, H100XFA, H100XFA1212, H225XJG and H225XJGAA rated for a dust-tight installation?

Published date: 26 June 2018

Are the NEMA 7/9 Safety switches rated dust-tight?

Product Line:
Heavy Duty Safety Switches

Enclosed Molded Case Switch


A NEMA 7 application is defined as a Class I, Division 1, Groups A, B, C or D Hazardous Location. A NEMA 9 application is defined as a Class II, Division 1, Groups E, F or G Hazardous Locations. The various hazardous environments are defined in the National Electrical Code (NEC). These NEMA Type 7/9 Enclosed Molded Case Switches are suitable for use in Class I, Division 1 or 2, Groups C or D, or Class II, Division 1 or 2, Groups E, F or G, locations. It is also marked as ``Raintight``. It is not marked as ``Dusttight``, but NEMA 9 is defined as dust ignition proof.

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