MINIFLUX
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ENGLI
SH
6.2
Equipotential bonding
As equipotential bonding an electrically conductive connection between motor and
pump is to be established in accordance with DIN EN 60079-0 and DIN EN 60079-14.
Connect the equipotential bonding conductor (earth wire) (1) to the designated screw
on the explosion-proof motor and the pump.
Mains connection (2) is to be established via an explosion-proof connector, an explo-
sion-proof terminal box or outside the hazardous area.
Only use hose lines (3) with conductive integration (conductive hose unions) (R<10
6
Ohm) (see TRbF 131, part 2).
If the motors are operated together with the pump comprehensive, clear equipotential
bonding is essential.
Observe the directive TRBS 2153
“Avoidance of ignition hazards due to electrostatic
charge”.
Remove paint and dirt from all connection points of equipotential bonding conductors
and transition points of the containers to the electrically conductive base ground to en-
sure good conductivity.
The electrically conductive base ground (4) must be an integral part of the equipotential
bonding system.
If a conductive base ground is not available, equipotential bonding conductors must be
connected to all barrels and containers.
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