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Wiring Diagram - F&F PF-421 TRMS Manual

Automatic phase switch with the adjustable lower and upper voltage threshold
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Wiring diagram

1
power supply input – phase L1
2
power supply input – phase L2
3
power supply input – phase L3
4
power supply input – neutral wire
5/6
power supply output – phase L'
7/8
power supply output – neutral wire
- 7 -

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