Rockwell Automation 1797-PS1N FLEX Ex 85-250V AC In/Quad-Ex DC Out Power Supply User Manual
Page 14
 
14 FLEX Ex 85…250V ac In/Quad-Ex dc Out Power Supply
Publication
1797-5.34 - September 2011
For mounting of the power supply, conduit runs must have sealing
fittings connected within 6 in. of enclosure.
The wiring contained within the nonintrinsically-safe wiring
compartment and the intrinsically-safe wiring compartment shall be separated 
from each other. Care must be taken to guarantee the separation of 
nonintrinsically-safe and intrinsically-safe wiring. The partitions within the 
power supply provide the necessary isolation for the electronics and the 
wiring, however, extreme care must be taken to guarantee wires are contained 
within their appropriate compartment and cannot contact any of the 
electronics.
WARNING: Substitution of components may impair intrinsic safety.
AVERTISSEMENT: La substitution de composant peut compromettre la 
securite intrinseque.
Cable must be rated at a minimum of 100
o
C (212 °F).
Warning: Keep cover tightly closed when circuits are alive.
After disconnecting power supply, wait 15 minutes before removing
cover.
No live maintenance.
The ambient operating temperature (T
amb
) for this system
is -20…70
o
C.
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