Vanguard ATRT-03_03B S2 - Manual (Page 24)

ATRT-03 S2, ATRT-03A S2, AND ATRT-03B S2 USER’S MANUAL REV 2
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3.1.4. Typical Connections to a Single Phase Transformer
Figure 7. Typical Connections to a Single Phase Transformer
Figure 8. Typical Connections to a Single Phase Auto Transformer