Siemens JFR Distribution Step Voltage Regulator 21-115532-001 - Manual (Page 11)

CONNECTION DIAGRAMS
Page 7
S L LOAD
SOURCE
SL
INVERTED DESIGN (ANSI TYPE B)
L S
SL
Wiring diagram of a typical Type “B” regulator
showing both internal and external connections.
Schematic diagram of a typical Type “B” JFR
regulator utilizing single potential source for motor
and control circuit.
Typical arrangement of windings and connections of
Type “B” JFR regulators.
Note: Inverted design units may or may not be
equiped with a balance winding. Refer to
regulator nameplate.