Approval/Certificate/Document of Conformity
IECEx Certificate
of Conformity
Certificate No: IECEx CNEX 16.0005U Issue No: 1
Date of Issue: 2017-11-23
Schedule
EQUIPMENT:
Equipment and systems covered by this certificate are as follows:
The modular terminal blocks models WPD 104 to WPD 109 are power distribution blocks, where one incoming current supply cable is
distributed through one connection block over multiple outgoing cable connections. The insulating body is made of polyamide PA66
and the protective cover is made of polycarbonate.
Operating temperature range
The operating temperature range is limited to -60 °C … +100 °C
The ambient temperature range is limited to -60 °C … +40 °C (for T6 applications)
The ambient temperature range is limited to -60 °C … +55 °C (for T5 applications)
The ambient temperature range is limited to -60 °C … +55 °C (for T4 applications)
Electrical Data
See Annex.
Schedule of Limitations:
The modular terminal blocks models WPD 104 to WPD 109 shall always be installed inside suitable certified enclosures. For use in
flammable gases these enclosures must satisfy the requirements conform IEC 60079-0 and IEC 60079-7. For use in combustible dust
these enclosures must satisfy the requirements conform IEC 60079-0 and IEC 60079-31.
When installed, all connections, even if unused, shall be tightened with the torques specified in the manufacturer’s instructions.
T he transparent covers are always to be applied on the terminal blocks.
For each modular terminal block, there shall always be only one cable installed in the incoming connection side of the terminal block.
When flexible busbar connections are used instead of wires (applicable only for WPD 106, WPD 108 and WPD 109), these flexible
busbar connections shall comply with the requirements of IEC 60079-7.
Multiple wires installed into one connection are not allowed.
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