Siemens JFR Distribution Step Voltage Regulator 21-115532-001 - Manual (Page 10)

CONNECTION DIAGRAMS
STRAIGHT DESIGN (ANSI TYPE A)
S L SL
SOURCE
LOAD
Typical arrangement of windings and connections of
Type “A” JFR regulators.
Note: Straight design units may or may not be
equiped with a balance winding. Refer to
regulator nameplate.
Schematic diagram of a typical Type “A” JFR regulator with fan
power circuit U3-U5.
Note: Other typical motor supply configurations below.
Wiring diagram of a typical Type “A” regulator showing
both internal and external connections without fan power.
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