Electrical Connection - WIKA WUC-1 Serie Betriebsanleitung

7. Starting, operation

Electrical connection

WARNING!
Connect the enclosure to ground through the process connection, against electromagnetic fields and electro-
static discharge.
WARNING!
Specific conditions for safe use in explosive atmosphere
External earthing connection shall be established by end-user via pressure connection minimum 4 mm²
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required. External earthing connection shall be corrosion resist and locked against rotation.
The connector provided by the end user in the end use application shall be in accordance with all applicable
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clauses of IEC 60079-0 and IEC 60079-15. A minimum degree of protection IP54 according to IEC 60529 shall
be ensured.
Cable provided by end-user shall be suitable for the ambient temperature.
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The Sub-D version has to be installed in a way that it is protected against an impact energy > 4 J. The connec-
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tor as well as the corresponding sealing are provided by the end user in the end use application and shall be
in accordance with all applicable clauses of IEC 60079-0 and IEC 60079-15. A minimum degree of protection
IP54 according to IEC 60529 shall be ensured.
For use under NEPSI conditions:
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- The connector provided by the end user in the end use application shall be in accordance with all applicable
clauses of GB3836.1-2010 and GB3836.8-2003. A minimum degree of protection IP 54 shall be ensured.
- Obey the warning "Do not separate when energized".
WIKA Operating instructions / Betriebsanleitung WUC-1x
EN
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