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+--- Thread: Multiple phase L1,L2,L3 (/showthread.php?tid=9088)
Multiple phase L1,L2,L3 - tombueng - 03-04-2026
Hi,
do the L1,L2 Input need to correlate to the current measured?
I.e., when attaching L1 to Block 1 and L2 to Block 2,
must i only measure L1 currents on CT #1-10 and L2 on CT #2-20?
Or is the L1,L2 only used for voltage measurement to be able to calculate P=U*I from that?
Or can I mix this? e.g. measaure L1,L2,L3 (e.g. for the oven) with Inputs #1,#2 and #3?
BR
Thomas
RE: Multiple phase L1,L2,L3 - admin - 03-04-2026
L1, L2 ,L3 only use for detect AC VOLTAGE, not use for "current".
if you use single phase, only use any L with N for monitor VOLTAGE. if you use 3 phase. you can connect L1,L2,L3 and N.
monitor "current" use by CT sensor , connect to CT sensor INPUT ports.
RE: Multiple phase L1,L2,L3 - phrfpeixoto - 06-15-2026
Hello,
I got the N20, which only has L1 and L2, but my home is 3 phase. Do I need to switch this board for one that has L3 as well?
RE: Multiple phase L1,L2,L3 - admin - 06-15-2026
sorry, N20 not support 3 phase power line. N30, N60 support 3 phase. N10, N20 only use for 1-phase.