Electrical connections, 4 earthing and equipotential bonding – KROHNE H250 M10 ATEX II3D Ex t EN User Manual
Page 11
ELECTRICAL CONNECTIONS
4
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H250 M10
www.krohne.com
03/2011 - 4001348101- MA H250/M10-Ex-II3G-AD R01 en
4.4 Earthing and equipotential bonding
The signal converter shall be connected to the equipotential bonding system of the hazardous
area via the external grounding connection on the signal converter housing. The measuring unit
and the signal converter are electrically connected via an equipotential bonding conductor.
Any existing cable shields should be connected to earth according to applicable installation
regulations (EN 60079-14). A terminal connection in the terminal compartment permits a short
way earthing of the cable shields.
1 External grounding connection
2 Internal grounding connection
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