External Resistor Unit - ABB Relion Series Product Manual

670/650 series and SAM600-IO IEC
to the wires. Use the bridge connector to jumper terminal
points in a connector.
Use ring-lugs to connect the wires to terminal points of a
connector of ring-lug type. Select ring-lugs suitable to wiring
dimension and size of fitting screw.
IEC01000052 V2 EN-US
Figure 14. Voltage connector, screw compression type
ANSI12000187 V1 EN-US
Figure 15. Voltage connector, ring-lug type
IEC03000048-LITEN V1 EN-US
Figure 17. High impedance resistor unit, three phase
Hitachi Power Grids
M2026-3 v4
IEC01000051 V1 EN-US
Figure 16.

8. External resistor unit

External resistor unit
The high impedance resistor unit is used with the high
impedance differential protection. It is available as one
phase unit or three phase unit.
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2
Ferrules and bridge connector
1 Ferrules
2 Bridge connector
1MRK 514 012-BEN K
1
xx0100051.vsd
SEMOD119678-5 v2
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