Section 18
IED physical connections
18.1
Protective earth connections
The IED shall be earthed with a 16.0 mm
2
flat copper cable.
The earth lead should be as short as possible, less than 1500 mm.
Additional length is required for door mounting.
IEC11000286 V1 EN
Figure 266:
The protective earth pin is located to the left of connector X101 on the
3U full 19” case
18.2
Inputs
18.2.1
Measuring inputs
Each terminal for CTs/VTs is dimensioned for one 0.5...6.0 mm
2
wire or for two wires
of maximum 2.5 mm
2
.
1MRK 504 135-UEN A
Section 18
IED physical connections
601
Technical manual
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