ABB Relion 670 2.0 IEC Series, Installation Manual

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en05000509.vsd
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IEC05000509 V1 EN
Figure 26: Rear view of IED showing earthing points.
Pos Description
1 Protective conductor terminal. For connection of the external
protective (earth) conductor.
2 Earth terminal. For internal protective bonding, do not use or remove.
3 Earth terminal. For internal protective bonding, do not use or remove.
(There is one earth terminal per TRM)
Use the protective conductor terminal (1) for connection to the
stations earthing system. The internal bonding earth terminals (2) and
(3) must be fully tightened to ensure correct internal bonding and must
not be used or removed.
6.1.3 Connecting the power supply module
The wiring from the cubicle terminal block to the IED terminals (see Figure "" for
PSM connection diagram) must be made in accordance with the established
guidelines for this type of equipment.
Do not insert anything else to the female connector but the
corresponding male connector. Inserting anything else (such as a
measurement probe) may violate the female connector and prevent a
proper electrical contact between the printed circuit board and the
external wiring connected to the screw terminal block.
1MRK514019-UEN A
Section 6
Connecting
670 series 2.0 IEC 51
Installation manual