E-Mon E-PS-E-RTU-N - Manual (Page 28)

Chapter 2 Installation Electrical Installation
28 PowerSmart+ Power Quality Meter
Figure 2-15 4-Wire 3-Element Delta Direct Connection Using 3 CTs (Wiring Mode = 4LL3 or 4Ln3)
Figure 2-16 3-Wire 2½-Element Broken Delta Connection Using 2 PTs, 3 CTs (Wiring Mode = 3bLn3 or
3bLL3)