Satec PM130 PLUS Series - Page 31

Chapter 2 Installation Electrical Installation
PM130 PLUS Powermeter Series_Installation Operation and Manual 31
Figure 2-14 3-Wire 2½-Element Open Delta Connection Using 2 PTs, 3 CTs (Wiring Mode = 3OP3)
Figure 2-15 4-Wire 3-Element Delta Direct Connection Using 3 CTs (Wiring Mode = 4LL3 or 4Ln3)