ABB RELION 620 Series Technical Manual page 877
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Also See for RELION 620 Series:
- Technical manual (1224 pages) ,
- Operation manual (152 pages) ,
- Applications manual (90 pages)
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1MRS757644 F
620 series
Technical Manual
A070968 V5 EN
Figure 452:
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.
Section 6
Supervision functions
871
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