Electrical connections, 4 grounding and equipotential bonding – KROHNE H250 M40 NEPSI Ex nA User Manual
Page 16
4
ELECTRICAL CONNECTIONS
16
H250 M40
www.krohne.com
03/2013 - 4002616601 AD H250 M40 NEPSI Ex nA R01 en
4.4 Grounding and equipotential bonding
The variable area flowmeter must be included in the equipotential bonding of the hazardous
area. It is connected to the PA terminal on the display. Alternatively, equipotential bonding can
occur via grounded pipelines.
Any existing cable shields should be connected to earth according to applicable installation
regulations. A terminal connection in the terminal compartment permits a short way earthing of
the cable shields.
AD_H250_M40_NEPSI_Ex_nA_R01_en_4002616601_PRT.book Page 16 Friday, March 8, 2013 8:50 AM
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