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Appendix A: TECHNICAL SPECIFICATION
A1 INSTALLATION CATEGORY AND POLLUTION DEGREE
This product has been designed to conform to BS EN61010 installation category II and pollution degree 2,
defined as follows:
INSTALLATION CATEGORY II
The rated impulse voltage for equipment on nominal 230V mains is 2500V.
POLLUTION DEGREE 2
Normally, only non-conductive pollution occurs. Occasionally, however, a temporary conductivity caused by
condensation shall be expected.
Appendix A
Page 208
FEC920: USER GUIDE
A5E45696052A Rev-AA
A5e38775501-AA
September 18
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