Type Of Protection "Intrinsic Safety I", "Flameproof Enclosure D", "Protection By Enclosure Td", And "Non-Sparking Na; Canadian Standards Association (Csa): "Explosion-Proof - ABB 265GS Operating Instruction

Pressure transmitter
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Use in potentially explosive atmospheres
2.6
Type of protection "intrinsic safety i", "flameproof enclosure d", "protection by enclosure tD", and
"non-sparking nA"
Certificate with alternative types of protection:
A
B
IMPORTANT (NOTE)
Prior to final installation, the operator must decide whether the device is to be used
(A) as a device featuring type of protection "Ex ia" or "Ex iaD" (intrinsic safety) or
(B) as a device featuring any of the other types of protection ("Ex d", "Ex tD", "Ex nA"). The
operator must then permanently mark the selected type of usage in the appropriate box on the
name plate.
Once selected, the type of protection may not be changed.
The information provided previously on the selected type of protection must be observed.
CAUTION - Risk
Failure to observe this information will have an adverse effect on explosion protection.
2.7

Canadian Standards Association (CSA): "Explosion-proof"

NOTICE - Potential damage to parts
Transmitters with LCD displays must not be used in etherized atmospheres.
18
Intrinsic safety
Flameproof enclosure
Protection by enclosure
Non-sparking
(Category 1/2G or 1D, Ex i)
(Category 1/2G, Ex d)
(Category 2D, Ex tD)
(Category 3G, Ex nA)
265Gx, 265Ax
IM/265Gx/Ax-EN-07

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