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ABB RELION REX640 - Page 1306

ABB RELION REX640
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Figure 741: Constant test current flow in parallel trip contacts and trip circuit
supervision
In case of parallel trip contacts, the recommended way to do the wiring is that the
TCS test current flows through all wires and joints.
Supervision functions
1MRS759142 F
1306 REX640
Technical Manual

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