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Chapter 2
Installation
Electrical Installation
40
EM13x Series SMART MULTIFUNCTION METER
Figure
2-15b 3-Wire 2-Element Open Delta Connection Using 3 PTs, 2 CTs (Wiring Mode = 3OP2)
This configuration provides accurate power measurements only if the voltages are balanced.
Figure
2-16 4-Wire Wye 2½-Element Connection Using 2 PTs, 3 CTs (Wiring Mode = 3LL3 or 3Ln3)