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Connecting up
6.1 Lightning protection, power supply and grounding
EXPLOSION HAZARD
SUBSTITUTION OF COMPONENTS MAY IMPAIR SUITABILITY FOR CLASS I, DIVISION
2 OR ZONE 2.
EXPLOSION HAZARD
DO NOT OPEN WHEN ENERGIZED.
General notes on use according to ATEX and IECEx
Take measures to prevent transient voltage surges of more than 40% of the rated voltage.
This is the case if you only operate devices with SELV (safety extra-low voltage).
General notes on use in hazardous areas according to UL-HazLoc
EXPLOSION HAZARD
DO NOT DISCONNECT WHILE CIRCUIT IS LIVE UNLESS AREA IS KNOWN TO BE
NON-HAZARDOUS.
This equipment is suitable for use in Class I, Division 2, Groups A, B, C and D or non-
hazardous locations only.
This equipment is suitable for use in Class I, Zone 2, Group IIC or non-hazardous locations
only.
WARNING - Cat. Nos. EAPN-Wx-yy-zx (US installation only):
- PLTC cable type and manufacturer shall be specified: Listed (QPTZ), Type 5240U1
(Waterdog PLTC-ER) manufactured by Belden.
- The PLTC cable for the power supply must be installed in a manner to avoid tensile stress
at the termination fittings in accordance with Article 501.10 (B)(1)(4) of the NEC.
- The PLTC cable for the power supply must be installed in accordance with Article 725.154
(D)(1) through (D)(4) of the NEC.
36
WARNING
WARNING
WARNING
WARNING
Operating Instructions, 11/2014, A5E03678337-07
SCALANCE W786-x
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