Information About The Housing Ground - ABB VA Master FAM540 Instrucciones Para La Puesta En Funcionamiento

Explosion-protection relevant information
4.2.4

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. 17
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.
18 - EN VA Master FAM540 CI/FAM540-X1