Siemens JFR Distribution Step Voltage Regulator 21-115532-001 - Manual (Page 8)

INTRODUCTION
INSTALLATION DIAGRAMS
Connection of two single phase JFR regulators in open
delta on a three phase, ungrounded line.
Connection of one single phase JFR regulator on single
phase line.
Connection of three JFR regulators in closed
delta on three phase, ungrounded system. Connection of three single phase JFR regulators in
wye on a three phase, grounded neutral system.
Open Delta
Closed Delta
Wye Connected
Single Phase
4C)
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