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1
2
1
Light gray pairs with short circuit
facility (CT), RAL7035
2
Dark gray pairs without short
circuit facility (VT), RAL7042
Figure 64: Identifying CT/VT color coding
1
CT connector coding
2
VT connector coding
3
Empty connector
Figure 65: Loose CT/VT connector coding
1
CT connector coding
2
VT connector coding
3
Empty connector
Figure 66: Fixed CT/VT connector coding
5.4.1
Connecting current and voltage inputs
Conventional instrument transformers
Each terminal for CTs/VTs is dimensioned for one 0.5...6.0 mm
2
(AWG 20-10) wire or
for two wires of maximum 2.5 mm
2
(AWG 14).
Connecting
1MRS759115 E
72
REX640
Installation Manual
Summary of Contents for RELION REX640
Page 1: ... RELION PROTECTION AND CONTROL REX640 Installation Manual ...
Page 2: ......
Page 3: ...Document ID 1MRS759115 Issued 2023 02 10 Revision E Copyright 2023 ABB All rights reserved ...
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