INSTALLATION
62
NC020 - Manual - 05 - 2022
6.5 LED ALLOCATION
Eight indicator LEDs and eight keys are available:
6.6 FINAL OPERATIONS
Before energizing the electric board, it is advisable to check that:
• The auxiliary voltage in the panel falls within the operative range of relays.
• The rated current of the line CT’s corresponds to the settings of relay.
• All wirings are correct.
• All screws are tightly screwed.
Start
TD (TD timer expired)
CB OPEN (52b)50-51 (I>, I>>, I>>> elements)
59H (U>, U>>, U>>> elements)
46N,50N-51N (IN>AL, IN>, IN>>, IE>, IE>> elements)
Trip
Open CB
Close CB
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