Section 18 Ied Physical Connections; Protective Earth Connections; Inputs; Measuring Inputs - ABB RET650 Technical Manual

1MRK 504 135-UEN A
Section 18
18.1
18.2
18.2.1
Technical manual
IED physical connections

Protective earth connections

The IED shall be earthed with a 16.0 mm
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

Inputs

Measuring inputs

Each terminal for CTs/VTs is dimensioned for one 0.5...6.0 mm
2
of maximum 2.5 mm .
IED physical connections
2
flat copper cable.
2
wire or for two wires
Section 18
601