Dry Type Distribution Transformers
Electrical Connections (Three Phase)
600 Δ Volt Primary
208Y/120 Volt Secondary
Taps: 2, 5% FCBN
208 Δ Volt Primary
480Y/277 Volt Secondary
Taps: 2, 5% FCBN
240 Δ Volt Primary
480Y/277 Volt Secondary
Taps: 2, 5% FCBN
32
30
H3
31
X3
H1
H2
X2
X1
X2
X3
X1
7 4 1
8 5 2
9 6
3
7 4 1
8 5 2
9 6 3
7 4 1
8 5 2
9 6 3
SHIELD
X3
SHIELD
H3
SHIELD
H3
X0
X1
X2
H0
H1
H2
H0
H1
H2
X2
H2
H2
H3
H2
X2
X2
X1
X0
H1
H0
H1
H0
H1
H3
X3
X1
X3
X1
X3
H3
Primary
Voltage
Primary
Voltage
Primary
Voltage
Connect Taps
Line Leads
Connect Taps
Line Leads
Connect Taps
Line Leads
600
1-H1 & 2-H2 & 3-H3
4-H1 & 5-H2 & 6-H3
7-H1 & 8-H2 & 9-H3
H1, H2, H3
H1, H2, H3
H1, H2, H3
208
1-X1 & 2-X2 & 3-X3
4-X1 & 5-X2 & 6-X3
7-X1 & 8-X2 & 9-X3
X1, X2, X3
X1, X2, X3
X1, X2, X3
240
1-X1 & 2-X2 & 3-X3
4-X1 & 5-X2 & 6-X3
7-X1 & 8-X2 & 9-X3
X1, X2, X3
X1, X2, X3
X1, X2, X3
570
198
228
540
187
216
Secondary
Voltage
Secondary
Voltage
Secondary
Voltage
Line Leads
Line Leads
Line Leads
208
120
X1, X2, X3
480
277
H1, H2, H3
480
277
H1, H2, H3
X0, X1, X2, X3
H0, H1, H2, H3
H0, H1, H2, H3
HT7 Series
HT84 Series
HT85 Series
480 Δ Volt Primary
480Y/277 Volt Secondary
Taps: 2, 5% FCBN
33
H1
H2
H3
7 4 1
8 5 2
9 6 3
SHIELD
X3
X0
X1
X2
X2
X3
H2
X1
X0
H1
H3
Primary
Voltage
Connect
Lines to
Interconnect
480
1-H1 & 2-H2 & 3-H3
4-H1 & 5-H2 & 6-H3
7-H1 & 8-H2 & 9-H3
H1, H2 & H3
H1, H2 & H3
H1, H2 & H3
456
432
Secondary
Voltage
Connect
Lines to
Interconnect
480
277
X1, X2, X3
X0, X1, X2, X3
HT81 Series
Notes:
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.
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
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© July 2020