ANSI/ISA-61241-18 (12.10.07)-2006 (R2011) Electrical Apparatus for Use in Zone 20, Zone 21 and Zone 22 Hazardous (Classified) Locations - Protection by Intrinsic Safety "mD"

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(Please note that this ISA standard is an IEC adoption with modifications. Therefore, the "Free Preview for Members" option is not available, and the Standards Redemption Coupon may not be applied to its purchase.)

This standard is applicable to electrical apparatus protected by encapsulation type of protection "mD" and surface temperature limitation for use in areas where combustible dust may be present in quantities which could lead to a fire or explosion hazard. It specifies requirements for design, construction and testing of electrical apparatus, parts of electrical apparatus and Ex components where the rated voltage does not exceed 10 kV.

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