XPR2/XPC2 PowerStation Series Hardware User Guide
Page 10 of 47
UL Hazardous Location Class I, Division 2 Guidelines
If you purchased a UL Class I, Division 2 compliant XPR2/XPC2 PowerStation, you must comply with these
statements in order to maintain a safe operating environment:
•
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or Non-Hazardous
Locations Only. Temperature rating T4A.
•
The input and output (I/O) wiring must be in accordance with Class I, Division 2 wiring methods and
in accordance with the authority having jurisdiction.
•
Make sure that the XPR2/XPC2 PowerStation’s “ON/OFF” switch is secured in the “ON” position
using the supplied bracket.
•
All field wiring terminals must be marked to indicate to use copper wire with 60
°
C or 60/75
°
C wire
insulation and the terminal tightening torque of 7.0 lb-in. (0.79 N-m).
Warning – Explosion Hazard
•
Substitution of components may impair suitability for Class I, Division 2.
•
Do not disconnect equipment unless power has been switched off or the
area is known to be non-hazardous.
•
Do not connect or disconnect cables unless the power has been switched
off, or the area is known to be non-hazardous.
•
Class I, Division 2 approval requires nonincendive field wiring for Class I,
Groups A, B, C, and D hazardous locations only.
•
Class I, Division 2 approval requires power switch restraints in hazardous
environments.
Setting Up the PowerStation for Use in a Hazardous Environment
PowerStations ordered with the Class 1, Division 2 Hazardous Location option ship with a bracket for
locking the power switch in the “On” position. This bracket must be installed in order to be compliant
with Class 1, Division 2 guidelines in a hazardous environment since it prevents unintentional or
accidental switching of power to the unit. Affix the bracket to power switch using the screw provided.
Power Switch bracket
clamps switch to the
“ON” power position.