Dry Type Distribution Transformers
General Purpose
Energy efficient dry-type transformers 600 Volt Class,
isolation type, single and three phase, 15 kVA through
500 kVA. Indoor and outdoor models available. For catalog
numbers outside of the standard Selection Tables, fill out the
Custom Transformer Quotation Request
at the end of this
section.
Accessories and Optional Design Styles
• Electrostatic shield for quality power
• Wall mounting brackets (500 lbs maximum) (Item WB1C)
• Weather Shields (UL Listed/NEMA Type 3R)
• Stainless Steel Enclosures
• Totally enclosed non-ventilated designs (TENV) (Non UL) *
• Open core and coil designs (UL Recognized)
• Copper Wound designs
• Low temperature designs
Features
• Energy Efficient Compliant to DOE 2016
1
• UL Listed/NEMA Type 3R ventilated outdoor enclosures
when used with optional weather shields
(order separately)
• UL Class 220°C
insulation system, 150°C
temperature rise under full load
• Quiet operation with sound levels 3-6 dB below the
NEMA ST-20 requirements
Selection Tables: Single Phase
Group 1: 240 x 480 Volt Primary, 120/240 Secondary, 60 Hz
kVA
15
25
37.5
50
75
100
167
Catalog
Number
ES5H15S
ES5H25S
ES5H37S
ES5H50S
ES5H75S
ES5H100S
ES5H167S
Type 3R
Weather Shield
2
WS-15
WS-15
WS-17
WS-17
WS-09
WS-09
WS-16
Height
in (mm)
28 (711)
28 (711)
31 (787)
31 (787)
44 (1118)
44 (1118)
46 (1168)
Width
in (mm)
16 (406)
16 (406)
18 (457)
18 (457)
23 (584)
23 (584)
26 (660)
E25872
• Terminal board connections and spacious wiring
compartment
•
Panel enclosure design reduces labor time. Wiring
diagram on inside front cover.
• High efficiency for low cost operation
•
Single and three phase availability
•
Fast delivery
•
Meets transit test requirements for ISTA
(International Safe Transit Association) – Test Procedure
1E for packaged-product
•
10 year limited warranty
Certifications and Compliances
•
Listed: E25872
- UL 1561
Depth
in (mm)
16 (406)
16 (406)
18 (457)
18 (457)
21 (533)
21 (533)
24 (610)
Approx. Ship
Weight lbs (kg)
210 (95)
245 (111)
340 (154)
415 (188)
610 (277)
705 (320)
980 (445)
Design
Style
3
1
1
1
1
1
1
1
Elec
Conn
3
1
1
1
1
1
1
1
Primary
Amps
62.5/31.3
104/52.1
156/78
208/104
313/156
417/208
695/348
Secondary
Amps
125/62.5
208/104
313/156
416/208
625/313
833/417
1392/695
Group 2 – 120/208/240/277 Volt Primary, 120/240 Secondary, 60 Hz
kVA
15
25
Catalog
Number
ES12H15S
ES12H25S
Type 3R
Weather Shield
2
WS-15
WS-15
Height
in (mm)
28 (711)
28 (711)
Width
in (mm)
16 (406)
16 (406)
Depth
in (mm)
16 (406)
16 (406)
Approx. Ship
Weight lbs (kg)
215 (98)
250 (113)
Design
Style
3
1
1
Elec
Conn
3
2
2
Primary Amps
Secondary
@ 277 V
Amps
54.2
90.3
125/62.5
208/104
Notes:
1. DOE 2016 refers to Department of Energy CFR (Code of Federal Regulations) title 10, part 431.196).
2. Weather shields (set of two) must be ordered separately.
3. Design Styles and Electrical Connections can be found at the end of the Ventilated Distribution Transformers section.
* Not all optional designs are
listed. Contact Technical Services.
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
© January 2017
210
Dry Type Distribution Transformers
Selection Tables: Three Phase
Group A: 480 Volt
Δ
Primary, 208/120 Secondary, 60 Hz
kVA
15
30
45
75
112.5
150
225
300
500
Catalog
Number
E2H15
3
E2H15S
E2H30
3
E2H30S
E2H45
3
E2H45S
E2H75
3
E2H75S
E2H112S
E2H150S
E2H225S
E2H300S
E2H500S
Type 3R
Weather Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
WS-11
WS-11
WS-12
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
46 (1168)
46 (1168)
65 (1651)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
36 (914)
36 (914)
45 (1143)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
24 (610)
24 (6010)
35 (889)
Approx. Ship
Weight lbs (kg)
221 (100)
310 (141)
387 (176)
678 (308)
794 (360)
1005 (456)
1368 (621)
1479 (671)
2457 (1114)
Design
Style
2
1
1
1
1
1
1
1
1
1
Elec
Conn
2
5
5
5
5
5
5
5
5
5
Primary
Amps
18.1
36.1
54.2
90.3
135
181
271
361
602
Secondary
Amps
41.7
83.4
125
208
313
417
625
834
1390
Group B: 480 Volt
Δ
Primary, 240 Volt
Δ,
Secondary with reduced capacity center tap
4
, 60 Hz
kVA
15
30
45
75
112.5
150
225
300
500
Catalog
Number
E5H15
3
E5H15S
E5H30
3
E5H30S
E5H45
3
E5H45S
E5H75
3
E5H75S
E5H112S
E5H150S
E5H225S
E5H300S
E5H500S
Type 3R
Weather Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
WS-11
WS-11
WS-12
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
46 (1168)
46 (1168)
65 (1651)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
36 (914)
36 (914)
45 (1143)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
24 (610)
24 (610)
35 (889)
Approx. Ship Weight
lbs (kg)
221 (100)
322 (146)
387 (176)
678 (308)
792 (359)
1009 (458)
1367 (620)
1478 (670)
2457 (1114)
Design
Style
2
1
1
1
1
1
1
1
1
1
Elec
Conn
2
6
6
6
6
6
6
6
6
6
Primary
Amps
18.1
36.1
54.2
90.3
135
181
271
361
602
Secondary
Amps
36.1
72.3
108
181
271
361
542
723
1204
Notes:
1. Weather shields (set of two) must be ordered separately.
2. Design Styles and Electrical Connections can be found
at the end of the Ventilated Distribution Transformers section.
3. Unshielded model.
4.
Refer to
Capacity of Center Tap in Center Tap Delta Transformers
at the beginning of this section.
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
© January 2017
211
Dry Type Distribution Transformers
Selection Tables: Three Phase
Group C: 480 Volt
Δ
Primary, 480Y/277 Secondary, 60 Hz
kVA
15
30
45
75
112.5
150
225
300
500
Catalog
Number
E81H15S
E81H30S
E81H45S
E81H75S
E81H112S
E81H150S
E81H225S
E81H300S
E81H500S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
WS-11
WS-11
WS-12
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
46 (1168)
46 (1168)
65 (1651)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
36 (914)
36 (914)
45 (1143)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
24 (610)
24 (6010)
35 (889)
Approx. Ship
Weight lbs (kg)
220 (100)
322 (146)
387 (176)
679 (308)
791 (359)
1001 (454)
1377 (625)
1497 (679)
2456 (1114)
Design
Style
2
1
1
1
1
1
1
1
1
1
Elec
Conn
2
8
8
8
8
8
8
8
8
8
Primary
Amps
18.1
36.1
54.2
90.3
135
181
271
361
602
Secondary
Amps
18.1
36.1
54.2
90.3
135
181
271
361
602
Group D: 208 Volt
Δ
Primary, 480Y/277 Secondary, 60 Hz
kVA
15
30
45
75
112.5
150
Catalog
Number
E84H15S
E84H30S
E84H45S
E84H75S
E84H112S
E84H150S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
Approx. Ship
Weight lbs (kg)
220 (100)
320 (145)
390 (177)
680 (308)
799 (362)
1000 (454)
Design
Style
2
1
1
1
1
1
1
Elec
Conn
2
10
10
10
10
10
10
Primary Amps
41.7
83.4
125
208
313
417
Secondary
Amps
18.1
36.1
54.2
90.3
135
181
Notes:
1. Weather shields (set of two) must be ordered separately.
2. Design Styles and Electrical Connections can be found
at the end of the Ventilated Distribution Transformers section.
212
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
© January 2017
Dry Type Distribution Transformers
Selection Tables: Three Phase
Group E: 208 Volt
Δ
Primary, 208Y/120 Secondary, 60 Hz
kVA
15
30
45
75
112.5
150
Catalog
Number
E3H15S
E3H30S
E3H45S
E3H75S
E3H112S
E3H150S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
Approx. Ship
Weight lbs (kg)
222 (101)
320 (145)
390 (177)
679 (308)
801 (363)
1004 (455)
Design
Style
2
1
1
1
1
1
1
Elec
Conn
2
9
9
9
9
9
9
Primary
Amps
41.7
83.4
125
208
313
416
Secondary
Amps
41.7
83.4
125
208
313
416
Group F: 240 Volt
Δ
Primary, 208Y/120 Secondary, 60 Hz
Catalog
Number
E6H15S
E6H30S
E6H45S
E6H75S
E6H112S
E6H150S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
Approx. Ship
Weight lbs (kg)
220 (100)
311 (141)
392 (178)
678 (308)
799 (362)
1005 (456)
Design
Style
2
1
1
1
1
1
1
Elec
Conn
2
11
11
11
11
11
11
Secondary
Amps
41.7
83.4
125
208
313
417
kVA
15
30
45
75
112.5
150
Primary Amps
36.1
72.3
108
181
271
361
Group G: 240 Volt
Δ
Primary, 480Y/277 Secondary, 60 Hz
Catalog
Number
E85H15S
E85H30S
E85H45S
E85H75S
E85H112S
E85H150S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
Approx. Ship
Weight lbs (kg)
221 (100)
322 (146)
392 (178)
682 (309)
798 (362)
1001 (454)
Design
Style
2
1
1
1
1
1
1
Elec
Conn
2
12
12
12
12
12
12
Secondary
Amps
18.1
36.1
54.2
90.3
135
181
kVA
15
30
45
75
112.5
150
Primary Amps
36.1
72.3
108
181
271
361
Notes:
1. Weather shields (set of two) must be ordered separately.
2. Design Styles and Electrical Connections can be found
at the end of the Ventilated Distribution Transformers section.
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
© January 2017
213
Dry Type Distribution Transformers
Selection Tables: Three Phase
Group J: 480 Volt
Δ
Primary, 380Y/220 Secondary, 60 Hz
kVA
15
30
45
75
112.5
150
Catalog
Number
E79H15S
E79H30S
E79H45S
E79H75S
E79H112S
E79H150S
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
Approx. Ship
Weight lbs (kg)
220 (100)
320 (145)
387 (176)
678 (308)
797 (362)
1011 (459)
Design
Style
2
1
1
1
1
1
1
Elec
Conn
2
7
7
7
7
7
7
Primary Amps
18.1
36.1
54.2
90.3
135.3
180.4
Secondary
Amps
22.8
45.6
68.4
114
170.9
227.9
Group K: 480 Volt
Δ
Primary, 208Y/120 Secondary, 60 Hz, Copper-Wound
Catalog
Number
E2H15SCu
E2H30SCu
E2H45SCu
E2H75SCu
E2H112SCu
E2H150SCu
E2H225SCu
E2H300SCu
E2H500SCu
Type 3R
Weather
Shield
1
WS-02
WS-14
WS-14
WS-30
WS-30
WS-10
WS-11
WS-11
WS-12
Height
in (mm)
23 (584)
28 (711)
28 (711)
34 (864)
34 (864)
44 (1118)
46 (1168)
46 (1168)
65 (1651)
Width
in (mm)
18 (457)
23 (584)
23 (584)
28 (711)
28 (711)
33 (838)
36 (914)
36 (914)
45 (1143)
Depth
in (mm)
14 (356)
16 (406)
16 (406)
22 (559)
22 (559)
21 (533)
24 (610)
24 (610)
35 (889)
Approx. Ship
Weight lbs (kg)
255 (116)
349 (158)
455 (206)
781 (354)
923 (419)
1154 (523)
1539 (698)
1662 (754)
2457 (1114)
Design
Style
2
1
1
1
1
1
1
1
1
1
Elec
Conn
2
5
5
5
5
5
5
5
5
5
Secondary
Amps
41.7
83.4
125
208
313
417
625
834
1390
kVA
15
30
45
75
112.5
150
225
300
500
Primary Amps
18.1
36.1
54.2
90.3
135
181
271
361
602
Notes:
1. Weather shields (set of two) must be ordered separately.
2. Design Styles and Electrical Connections can be found
at the end of the Ventilated Distribution Transformers section.
214
Visit our website at www.emerson.com or contact Technical Services at (800) 377-4384 with any questions.
© January 2017
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