Connecting To Protective Earth - ABB SAM600-IO Installation Manual

1MRK 514 030-UEN Rev. C
1MRK002801-AC-14-670-1.2-PG V2 EN-US
Figure 11:
6.1.2

Connecting to protective earth

Connect the protective earthing screw (pos 1 in figure 12) on the rear of the IED to the closest
possible earthing point in the cubicle. Electrical codes and standards require that protective earth
cables are green/yellow conductors with a cross section area of at least 2.5 mm
The cubicle must be properly connected to the station earthing system. Use a conductor with a core
cross section area of at least 4 mm
Switchgear control unit SAM600-IO
Installation manual
Binary in/out module (IOM)
2
(AWG 12).
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Section 6
Connecting
M11997-4 v11
2
(AWG14).
25