Information About The Housing Ground - ABB VA Master FAM540 Inbetriebnahmeanleitung

Ex relevant specifications
4.3.2

Information about the housing ground

The FAM540 housing must be correctly grounded in order to ensure proper function and safe
operation. Use copper wires with a rating of at least AWG 10 for the ground connection between
the ground screw and the protective conductor.
Fig. 18
1 Potential equalization per EN 60079-0
Important
The operator must ensure that when connecting the protective conductor (PE) no potential
differences exist between protective conductor and potential equalization (PA), even in fault
condition.
20 - EN VA Master FAM540 CI/FAM540-X1