Chapter 2 Installation
Electrical Installation
24
Series PM175 Powermeters
Figure 2-23 4-Wire 3-Element Delta Direct Connection Using 3 CTs.
Wiring Mode = 4LL3 or 4Ln3
Figure 2-24 3-Wire 2½-Element Broken Delta Connection Using 2 PTs, 3 CTs.
Wiring Mode = 3bLn3 or 3bLL3