Dry Type Distribution Transformers
Electrical Connections (Single Phase)
240 X 480 Volt Primary
120/240 Volt Secondary
Taps: None
240 X 480 Volt Primary
120/240 Volt Secondary
Taps: None
240 X 480 Volt Primary
120/240 Volt Secondary
Taps: 2, 2½% FCAN & FCBN
15
16
17
H8
H1
H2H3 H4
H5 H6
H7
H1
H3
H2
H4
H1
H3
H2
H4
SHIELD
X4
X1
X3
X2
SHIELD
Primary Voltage
Interconnect
H4 to H5
H3 to H5
H3 to H6
H2 to H6
H2 to H7
Connect Lines to
H1 & H8
X1
X3
X2
X4
X1
X3
X2
X4
504
492
480
468
456
Primary Voltage
Interconnect
Connect Lines to
Primary Voltage
Interconnect
Connect Lines to
H1 & H8
480
H2 to H3
H1 & H4
H1 & H8
480
H2 to H3
H1 & H4
H1 to H3
H2 to H4
H1 & H8
H1 to H3
H2 to H4
240
H1 & H4
240
H1 & H4
H1 & H8
Secondary Voltage
Interconnect
Connect Lines to
Secondary Voltage
Interconnect
Connect Lines to
H1 to H5
H4 to H8
252
240
228
H1 & H8
H1 & H8
H1 & H8
240
X2 to X3
X1 & X4
240
X2 to X3
X1 & X4
H1 to H6
H3 to H8
X2 to X3
X2 to
X2 to X3
X2 to
120-0-120
120
X1-X2-X4
X1 & X4
120-0-120
120
X1-X2-X4
X1 & X4
H1 to H7
H2 to H8
X1 to X3
X2 to X4
X1 to X3
X2 to X4
Secondary Voltage
Interconnect
Connect Lines to
HS1 Series
HS1 Series
240
X2 to X3
X1 & X4
240 X 480 Volt Primary,
120/240 Volt Secondary
Taps: 2, 2½% FCAN; 4, 2½% FCBN
X2 to X3
X2 to
120-0-120
120
X1-X2-X4
X1 & X4
18
H6 H7 H8 H9 H10
120/208/240/277 Volt Primary
120/240 Volt Secondary
Taps: None
19
X1 to X3
X2 to X4
H1
H2 H3 H4 H5
H1
H3
H2
H4 H5 H6
HS5 Series
120/208/240/277 Volt Primary
120/240 Volt Secondary
Taps: None
SHIELD
20
H8
X1
X3
X2
X4
SHIELD
H1 H2 H3
H4
H6
H7
H5
Primary Voltage
Interconnect
Connect Lines to
H1 & H10
H1 & H10
H1 & H10
H1 & H10
H1 & H10
H1 & H10
H1 & H10
X1
X3
X2
X4
504
492
480
468
456
444
432
H5 to H6
H4 to H6
H4 to H7
H3 to H7
H3 to H8
H2 to H8
H2 to H9
Primary Voltage
Interconnect
H2 to H3
H2 to H3
H2 to H3
Connect Lines to
H1 & H6
SHIELD
X4
277
240
208
X1
X3
X2
H1 & H5
Primary Voltage
Interconnect
H4 to H5
H3 to H6
H2 to H7
Connect Lines to
H1 & H8
H1 & H4
277
240
208
H1 to H3
H2 to H5
120
H1 & H5
H1 & H8
Secondary Voltage
Interconnect
Connect Lines to
H1 & H8
H1 to H6
H5 to H10
252
240
228
216
H1 & H10
H1 & H10
H1 & H10
H1 & H10
240
X2 to X3
X1 & X4
H1 to H6
H3 to H8
120
H1 & H8
H1 to H7
H4 to H10
X2 to X3
X2 to
120-0-120
120
X1-X2-X4
X1 & X4
Secondary Voltage
Interconnect
Connect Lines to
H1 to H8
H3 to H10
X1 to X3
X2 to X4
240
X2 to X3
X1 & X4
X2 to X3
X2 to
H1 to H9
H2 to H10
120-0-120
120
X1-X2-X4
X1 & X4
HS12 Series (1 kVA only)
X1 to X3
X2 to X4
Secondary Voltage
Interconnect
Connect Lines to
240
X2 to X3
X1 & X4
= Earth Ground
HS12 Series
X2 to X3
X2 to
120-0-120
120
X1-X2-X4
X1 & X4
X1 to X3
X2 to X4
Note:
Connect the electrostatic shield to the equipment ground (green) or to both the equipment ground and
the system ground (white). Specifications are subject to change without notice.
HS5 Series
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© July 2020
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