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Can the Acti 9 4 Pole iID RCCBs be wired for 3P without Neutral?

FA310944

17 February 2021

Yes the Acti 9 4 Pole iID RCCBs can be wired for 3P without neutral.

You can directly connect the 3 phase on 3 poles of iID RCCB, you don't need to add a resistor since the test button circuit is not connected to the neutral pole but connected between 2 phases as shown in the below diagram.
 
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For more information please refer to the Acti 9 technical catalogue: https://download.schneider-electric.com/files?p_Doc_Ref=SAUM9XED1130718&p_File_Ext=.PDF