2.6
Dry-Type Transformers www.jeffersonelectric.com 1-800-892-3755
Single-Phase
Encapsulated
22
Version JE901 0612 Date Dec 06
Dry-Type Transformers www.jeffersonelectric.com 1-800-892-3755
Single-Phase
Encapsulated
22
Wiring Diagram
S240A Wiring Diagram & Connections*
Primary:
120 x 240
Secondary:
120/240
Wiring Diagram
S208A Wiring Diagram & Connections*
Primary: 208
Secondary:
120/240
Primary Primary Lines
Volts Interconnect Connect To
240 H2 to H3 H1-H4
120 H1 to H3 H1-H4
H2 to H4
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Primary Primary Lines
Volts Connect To
208 H1-H2
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Primary Primary Lines
Volts Connect To
277 H1-H4
270 H1-H3
263 H2-H3
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Wiring Diagram
Primary: 277
Secondary: 120/240
S277A Wiring Diagram & Connections*
Wiring Diagram
Primary:
190/200/208/220 x
380/400/416/440
Secondary: 120/240
S440A Wiring Diagram & Connections*
Primary Primary Lines
Volts Interconnect Connect To
440 H5 to H6 H1 and H10
416 H4 to H7 H1 and H10
400 H3 to H8 H1 and H10
380 H2 to H9 H1 and H10
220 H1 to H6 H1 and H10
H5 to H10
208 H1 to H7 H1 and H10
H4 to H10
200 H1 to H8 H1 and H10
H3 to H10
190 H1 to H9 H1 and H10
H2 to H10
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
NOTE: Electrostatic shields are optionally available and not shown in all wiring diagrams. * Insulate unused taps individually.
2.7
1-800-892-3755 www.jeffersonelectric.com Dry-Type Transformers
Single-Phase
Encapsulated
22
Version JE901 0612 Date Dec 06
1-800-892-3755 www.jeffersonelectric.com Dry-Type Transformers
22
Wiring Diagram
S480B Wiring Diagram & Connections*
Primary Primary Lines
Volts Interconnect Connect To
504 H4 to H5 H1 and H8
492 H3 to H5 H1 and H8
480 H3 to H6 H1 and H8
468 H2 to H6 H1 and H8
456 H2 to H7 H1 and H8
252 H1 to H5 H1 and H8
H4 to H8
240 H1 to H6 H1 and H8
H3 to H8
228 H1 to H7 H1 and H8
H2 to H8
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1 and X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Primary: 240 x 480
Secondary: 120/240
Wiring Diagram
S600A Wiring Diagram & Connections*
Primary: 600
Secondary:
120/240
Wiring Diagram
Primary: 600
Secondary: 120/240
S600B Wiring Diagram & Connections*
Wiring Diagram
S480A Wiring Diagram & Connections*
Primary:
240 x 480
Secondary:
120/240
Primary Primary Lines
Volts Interconnect Connect To
480 H2 to H3 H1-H4
240 H1 to H3 H1-H4
H2 to H4
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Primary Primary Lines
Volts Connect To
600 H1-H2
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
Primary Primary Lines
Volts Connect To
600 H1-H6
585 H1-H5
570 H2-H5
555 H2-H4
540 H3-H4
Sec. Secondary Lines
Volts Interconnect Connect To
240 X2 to X3 X1-X4
120/240 X2 to X3 X1-X2-X4
120 X1 to X3 X1-X4
X2 to X4
Connections
NOTE: Electrostatic shields are optionally available and not shown in all wiring diagrams. * Insulate unused taps individually.
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