Buck Boost Transformers

 To Buy Acme Buck Boost Transformers Call TEMCo for the Guaranteed Lowest Price  -  1-800-613-2290
Link: Acme Buck Boost Transformer

Acme Buck Boost Transformers

Buck Boost Transformer Installation  Three Phase Buck Boost Transformers  Low Voltage Applications  AC Line Reactors 
Acme Buck Boost Transformers  Hammond Buck Boost Transformers 
Jefferson Buck Boost Transformers  Other Popular Voltage Transformers  TEMCo Buck Boost Transformers

Acme carries a ful line of transformers including Buck Boost Transformers.

Buck Boost Transformer Home
Links, Information & Listings
for types of Buck Boost Transformers. Access to wholesale pricing!

Buck Boost Transformer Installation
Details and further information regarding installation and basic configurations.

Three Phase Buck Boost Transformers
Fundamental data with links to listings of transformers used in 3 phase applications.

Low Voltage Applications
A basic description and links to transformers recommended for low voltage applications.

AC Line Reactors
Adjust, block or otherwise handle unwanted power characteristics often generated during normal use of power in an area. Not to be confused with the need for a Buck Boost or other type Transformer.

Acme Buck Boost Transformers
A reliable leading American transformer distributing company.

Hammond Buck Boost Transformers
Originated as a family -owned and run company and is now a nation-wide distributor!

Jefferson Buck Boost Transformers
In business over 93 years; supplying a diverse selection of products to an equally diverse clientele.

Other Popular Voltage Transformers
Power transmission and distribution requires voltage and line characteristics to be altered and adjusted in several ways. Read up on what is generally available.

TEMCo Buck Boost Transformers
The fast-growing company that has taken a top niche in providing you with quality electrical transformers and power products.

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transformer guide
Small kVA 3 Phase Transformers

ACME BUCK BOOST TRANSFORMERS

RESOURCE LINKS, MODELS & DESCRIPTIONS

Acme Buck Boost Transformers

 

Acme Buck Boost Transformers are categorized into three groups. They are all single phase, and the groups are separated by primary and secondary voltages. Each model listed below is rated for a specific KVA load range.

Remember, it is also important to get a transformer that matches the frequency of the service you are using. Most will be 60HZ, but there are locations that have 50HZ services. The Acme Buck Boost Transformers listed on this and on resources linked are 60HZ, but other frequencies and voltages can be custom ordered.

 Click on a model number on for a link to Acme Buck Boost Transformers pricing.

Acme Buck Boost Transformers
GROUP I Single Phase (60Hz):
Primary Voltage 120 X 240/Secondary Voltage 12/24

Models:

  0.05 KVA  T-1-81047      0.10 KVA  T-1-81048      0.15 KVA  T-1-81049 

  0.25 KVA  T-1-81050      0.50 KVA  T-1-81051      0.75 KVA  T-1-81052 

  1.00 KVA  T-1-11683      1.50 KVA  T-1-11684      2.00 KVA  T-1-11685

  3.00 KVA  T-1-11686      5.00 KVA  T-1-11687      7.50 KVA  T-1-11688   

10.00 KVA  T-1-11689

 

Acme Buck Boost Transformers
GROUP II Single Phase (60Hz):
Primary Voltage 120 X 240/Secondary Voltage 16/32

Models:

  0.05 KVA  T-1-81054      0.10 KVA  T-1-81055      0.15 KVA  T-1-81056 

  0.25 KVA  T-1-81057      0.50 KVA  T-1-81058      0.75 KVA  T-1-81059 

  1.00 KVA  T-1-13073      1.50 KVA  T-1-13074      2.00 KVA  T-1-13075

  3.00 KVA  T-1-13076      5.00 KVA  T-1-13077      7.50 KVA  T-1-13078  

10.00 KVA  T-1-13079

 

Acme Buck Boost Transformers
GROUP III Single Phase (60Hz):
Primary Voltage 240 X 480/Secondary Voltage 24/48

Models:

  0.05 KVA  T-1-81061      0.10 KVA  T-1-81062      0.15 KVA  T-1-81063 

  0.25 KVA  T-1-81064      0.50 KVA  T-1-81065      0.75 KVA  T-1-81066 

  1.00 KVA  T-1-37920      1.50 KVA  T-1-37921      2.00 KVA  T-1-37922

  3.00 KVA  T-1-37923      5.00 KVA  T-1-37924      7.50 KVA  T-1-43570

10.00 KVA  T-1-43571

Contact TEMCo for your Acme Buck Boost Transformer needs. TEMCo carries most major brands and offers competitive pricing with quick delivery. Custom-made products are also available.

Buck-Boost Transformer Selection Chart
120 x 240 Volts Primary–12/24 Volts Secondary
 Single Phase BOOSTING BUCKING
Line Voltage (Available)  96 100 105 109 189 208 218 220 125 132 229 245 250 252
Load Voltage (Output)  115 120 116 120 208 229 240 242 114 120 208 223 227 240
Click part # for info Connection
Diagram
B B A A D D D D A A D D D C
T-1-81047 KVA
Amps
0.24
2.08
0.25
2.08
0.48
4.17
0.50
4.17
0.43
2.08
0.48
2.08
0.50
2.08
0.50
2.08
0.52
4.58
0.55
4.58
0.48
2.29
0.51
2.29
0.52
2.29
1.05
4.38
T-1-81048 KVA
Amps
0.48
4.17
0.50
4.17
0.96
8.33
1.00
8.33
0.87
4.17
0.95
4.17
1.00
4.17
1.01
4.17
1.04
9.17
1.10
9.17
0.95
4.58
1.02
4.58
1.04
4.58
2.10
8.75
T-1-81049 KVA
Amps
0.72
6.25
0.75
6.25
1.44
12.50
1.50
12.50
1.30
6.25
1.43
6.25
1.50
6.25
1.51
6.25
1.56
13.75
1.65
13.75
1.43
6.87
1.53
6.87
1.56
6.87
3.15
13.13
T-1-81050 KVA
Amps
1.20
10.42
1.25
10.42
2.41
20.83
2.50
20.83
2.17
10.42
2.38
10.42
2.50
10.42
2.52
10.42
2.60
22.92
2.75
22.92
2.39
11.46
2.55
11.46
2.60
11.46
5.25
21.88
T-1-81051 KVA
Amps
2.40
20.83
2.50
20.83
4.81
41.67
5.00
41.67
4.33
20.83
4.77
20.83
5.00
20.83
5.04
20.83
5.21
45.83
5.50
45.83
4.77
22.92
5.10
22.92
5.21
22.92
10.50
43.75
T-1-81052 KVA
Amps
3.60
31.25
3.75
31.25
7.22
62.50
7.38
62.50
6.50
31.25
7.15
31.25
7.49
31.25
7.56
31.25
7.81
68.75
8.25
68.75
7.16
34.37
7.66
34.37
7.81
34.37
15.75
65.63
T-1-11683 KVA
Amps
4.80
41.67
5.00
41.67
9.63
83.33
9.99
83.33
8.66
41.67
9.53
41.67
9.99
41.67
10.08
41.67
10.42
91.67
11.00
91.67
9.54
45.83
10.21
45.83
10.42
45.83
21.00
87.50
T-1-11684 KVA
Amps
7.20
62.50
7.50
62.50
14.44
125.00
14.99
125.00
12.99
62.50
14.30
62.50
14.99
62.50
15.13
62.50
15.62
137.50
16.50
137.50
14.31
68.75
15.31
68.75
15.62
68.75
31.50
131.25
T-1-11685 KVA
Amps
9.60
83.33
10.00
83.33
19.25
166.67
19.98
166.67
17.32
83.33
19.07
83.33
19.98
83.33
20.17
83.33
20.83
183.33
22.00
183.33
19.08
91.67
20.42
91.67
20.83
91.67
42.00
175.00
T-1-11686 KVA
Amps
14.40
125.00
15.00
125.00
28.88
250.00
29.98
250.00
25.99
125.00
28.60
125.00
29.98
125.00
30.25
125.00
31.25
275.00
33.00
275.00
28.62
137.50
30.62
137.50
31.25
137.50
63.00
262.50
T-1-11687 KVA
Amps
24.00
208.33
25.00
208.33
48.13
416.67
49.96
416.67
43.31
208.33
47.67
208.33
49.96
208.33
50.42
208.33
52.08
458.33
55.00
458.33
47.71
229.17
51.04
229.17
52.08
229.17
105.00
437.50
Click part # for info Connection
Diagram
B B A A D D D D A A D D D C
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 
Buck-Boost Transformer Selection Chart
120 x 240 Volts Primary–12/24 Volts Secondary
 Three Phase BOOSTING BUCKING
Line Voltage (Available)  189Y
109
195Y
113
200Y
115
208Y
120
416Y
240
416Y
240
189 208 220 218 229 250 255 264
Load Voltage (Output)  208Y
120
234Y
135
240Y
139
229Y
132
458Y
264
437Y
252
208 229 242 208 208 227 232 240
Click part # for info Connection
Diagram
F E E F J K G G G H G G G G
T-1-81047 KVA
Amps
1.50
4.17
0.84
2.08
0.87
2.08
1.65
4.17
1.65
2.08
3.15
4.17
0.75
2.08
0.83
2.08
0.87
2.08
1.57
4.38
0.83
2.29
0.90
2.29
0.92
2.29
0.95
2.29
T-1-81048 KVA
Amps
3.00
8.33
1.69
4.17
1.73
4.17
3.30
8.33
3.30
4.17
6.30
8.33
1.50
4.17
1.65
4.17
1.75
4.17
3.15
8.75
1.65
4.58
1.80
4.58
1.84
4.58
1.91
4.58
T-1-81049 KVA
Amps
4.50
12.50
2.53
6.25
2.60
6.25
4.95
12.50
4.95
6.25
9.46
12.50
2.25
6.25
2.48
6.25
2.62
6.25
4.72
13.13
2.48
6.87
2.71
6.87
2.76
6.88
2.86
6.88
T-1-81050 KVA
Amps
7.50
20.83
4.22
10.42
4.33
1.42
8.26
20.83
8.26
10.42
15.76
10.42
3.75
10.42
4.13
10.42
4.37
10.42
7.87
21.88
4.13
11.46
4.51
11.46
4.60
11.46
4.76
11.46
T-1-81051 KVA
Amps
15.00
41.67
8.44
20.83
8.66
20.83
16.51
41.67
16.51
20.83
31.52
241.67
7.50
20.83
8.26
20.83
8.73
20.83
15.73
43.75
8.26
22.92
9.02
22.92
9.20
22.92
9.53
22.92
T-1-81052 KVA
Amps
22.51
62.50
12.67
31.25
12.99
31.25
24.77
62.50
24.77
31.25
47.28
62.50
11.25
31.25
12.38
31.25
13.10
31.25
23.60
65.63
12.39
34.37
13.53
34.37
13.80
34.37
14.29
34.38
T-1-11683 KVA
Amps
30.01
83.33
16.89
41.67
17.32
41.67
33.02
83.33
33.02
41.67
63.05
83.33
15.00
41.67
16.51
41.67
17.46
41.67
31.47
87.50
16.53
45.83
18.04
45.83
18.40
45.83
19.05
45.83
T-1-11684 KVA
Amps
45.01
125.00
25.33
62.50
25.98
62.50
49.54
125.00
49.54
62.50
94.57
125.00
22.51
62.50
24.77
62.50
26.20
62.50
47.20
131.25
24.79
68.75
27.06
68.75
27.60
68.75
28.58
68.75
T-1-11685 KVA
Amps
60.02
166.67
33.77
83.33
34.64
83.33
66.05
166.67
66.05
83.33
126.09
166.67
30.01
83.33
33.02
83.33
34.93
83.33
62.93
175.00
33.05
91.67
36.08
91.67
36.81
91.67
38.11
91.67
T-1-11686 KVA
Amps
90.02
250.00
50.66
125.00
51.96
125.00
99.07
250.00
99.07
125.00
189.14
250.00
45.01
125.00
49.54
125.00
52.39
125.00
94.40
262.50
49.58
137.50
54.13
137.50
55.21
137.50
57.16
137.50
T-1-11687 KVA
Amps
150.04
416.67
84.44
208.33
86.60
208.33
165.12
416.67
165.12
208.33
315.23
416.67
75.02
208.33
82.56
208.33
87.32
208.33
157.33
437.50
82.63
229.17
90.21
229.17
92.02
229.17
95.26
229.17
No. of Transformers 3 3 3 3 3 3 2 2 2 2 2 2 2 2
Catalog Number Connection
Diagram
F E E F J K G G G H G G G G
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 
Buck-Boost Transformer Selection Chart
120 x 240 Volts Primary–16/32 Volts Secondary
 Single Phase BOOSTING BUCKING
Line Voltage (Available)  95 100 105 208 215 215 220 225 135 240 240 245 250 255
Load Voltage (Output)  120 113 119 236 244 229 235 240 120 212 225 230 234 239
Click part # for info Connection
Diagram
B A A D D C C C A D C C C C
T-1-81054 KVA
Amps
0.19
1.56
0.35
3.13
0.37
3.13
0.37
1.56
0.38
1.56
0.72
3.12
0.73
3.13
0.75
3.12
0.42
3.54
0.38
1.77
0.75
3.33
0.77
3.33
0.78
3.33
0.80
3.33
T-1-81055 KVA
Amps
0.38
3.13
0.71
6.25
0.74
6.25
0.74
3.13
0.76
3.13
1.43
6.25
1.47
6.25
1.50
6.25
0.84
7.08
0.75
3.54
1.50
6.67
1.53
6.67
1.56
6.67
1.59
6.67
T-1-81056 KVA
Amps
0.56
4.69
1.06
9.38
1.12
9.38
1.11
4.69
1.14
4.69
2.15
9.37
2.20
9.37
2.25
9.37
1.27
10.63
1.13
5.31
2.25
10.00
2.30
10.00
2.34
10.00
2.39
10.00
T-1-81057 KVA
Amps
0.94
7.81
1.77
15.63
1.86
15.63
1.84
7.81
1.90
7.81
3.58
15.62
3.67
15.62
3.75
15.62
2.11
17.71
1.88
8.85
3.75
16.67
3.83
16.67
3.91
16.67
3.98
16.67
T-1-81058 KVA
Amps
1.88
15.63
3.54
31.25
3.72
31.25
3.68
15.63
3.81
15.63
7.17
31.25
7.33
31.25
7.50
31.25
4.22
35.42
3.75
17.71
7.50
33.33
7.66
33.33
7.81
33.33
7.97
33.33
T-1-81059 KVA
Amps
2.82
23.44
5.31
46.88
5.58
46.88
5.53
23.44
5.71
23.44
10.75
46.87
11.00
46.87
11.25
46.87
6.33
53.13
5.63
26.56
11.25
50.00
11.48
50.00
11.72
50.00
11.95
50.00
T-1-13073 KVA
Amps
3.76
31.25
7.08
62.50
7.44
62.50
7.37
31.25
7.61
31.25
14.33
62.50
14.67
62.50
15.00
62.50
8.44
70.83
7.50
35.42
15.00
66.67
15.31
66.67
15.62
66.67
15.94
66.67
T-1-13074 KVA
Amps
5.64
46.88
10.63
93.75
11.16
93.75
11.05
46.88
11.42
46.88
21.50
93.75
22.00
93.75
22.50
93.75
12.66
106.25
11.25
53.13
22.50
100.00
22.97
100.00
23.44
100.00
23.91
100.00
T-1-13075 KVA
Amps
7.52
62.50
14.71
125.00
14.88
125.00
14.73
62.50
15.23
62.50
28.67
125.00
29.33
125.00
30.00
125.00
16.88
141.67
15.00
70.83
30.00
133.33
30.62
133.33
31.25
133.33
31.87
133.33
T-1-13076 KVA
Amps
11.28
93.75
21.25
187.50
22.31
187.50
22.10
93.75
22.84
93.75
43.00
187.50
44.00
187.50
45.00
187.50
25.31
212.50
22.50
106.25
45.00
200.00
45.94
200.00
46.87
200.00
47.81
200.00
T-1-13077 KVA
Amps
18.80
156.25
35.42
312.50
37.19
312.50
36.83
156.25
38.07
156.25
71.67
312.50
73.33
312.50
75.00
312.50
42.19
354.17
37.50
177.08
75.00
333.33
76.56
333.33
78.12
333.33
79.69
333.33
Catalog Number Connection
Diagram
B A A D D C C C A D C C C C
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 
Buck-Boost Transformer Selection Chart
120 x 240 Volts Primary–16/32 Volts Secondary
 Three Phase BOOSTING BUCKING
Line Voltage (Available)  183Y
106
208Y
120
195 208 225 240 245 250 256 265 272
Load Voltage (Available)  208Y
120
236Y
136
208 236 240 208 230 234 240 234 240
Click part # for info Connection
Diagram
F F H G H L H H H G G
T-1-81054 KVA
Amps
1.12
3.13
1.28
3.13
1.13
3.12
0.64
1.56
1.30
3.12
0.56
1.56
1.33
3.33
1.35
3.33
1.39
3.33
0.72
1.77
0.74
1.77
T-1-81055 KVA
Amps
2.25
6.25
2.55
6.25
2.25
6.25
1.28
3.13
2.60
6.25
1.13
3.13
2.65
6.67
2.71
6.67
2.77
6.67
1.43
3.54
1.47
3.54
T-1-81056 KVA
Amps
3.37
9.38
3.83
9.38
3.38
9.37
1.91
4.69
3.90
9.37
1.69
4.69
3.98
10.00
4.06
10.00
4.16
10.00
2.15
5.31
2.21
5.31
T-1-81057 KVA
Amps
5.61
15.63
6.38
15.62
5.63
15.62
3.19
7.81
6.50
15.62
2.81
7.81
6.63
16.67
6.77
16.67
6.93
16.67
3.59
8.85
3.68
8.85
T-1-81058 KVA
Amps
11.23
31.25
12.76
31.25
11.26
31.25
6.38
15.63
12.99
31.25
5.63
15.63
13.26
33.33
13.53
33.33
13.86
33.33
7.17
17.71
7.36
17.71
T-1-81059 KVA
Amps
16.84
46.88
19.14
46.88
16.89
46.87
9.58
23.44
19.49
46.87
8.44
23.44
19.89
50.00
20.30
50.00
20.78
50.00
10.76
26.56
11.04
26.56
T-1-13073 KVA
Amps
22.45
62.50
25.52
62.50
22.52
62.50
12.76
31.25
25.98
62.50
11.26
31.25
26.52
66.67
27.06
66.67
27.71
66.67
14.34
35.42
14.72
35.42
T-1-13074 KVA
Amps
33.68
93.75
38.28
93.75
33.77
93.75
19.14
46.88
38.97
93.75
16.89
46.88
39.78
100.00
40.59
100.00
41.57
100.00
21.52
53.13
22.08
53.13
T-1-13075 KVA
Amps
44.90
125.00
51.04
125.00
45.03
125.00
25.52
62.50
51.96
125.00
22.52
62.50
53.04
133.33
54.13
133.33
55.43
133.33
28.69
70.83
29.44
70.83
T-1-13076 KVA
Amps
67.36
187.50
76.56
187.50
67.55
187.50
38.28
93.75
77.94
187.50
33.77
93.75
79.57
200.00
81.19
200.00
83.14
200.00
43.03
106.25
44.17
106.25
T-1-13077 KVA
Amps
112.26
312.50
127.59
312.50
112.58
312.50
63.80
156.25
129.90
312.50
56.29
156.25
132.61
333.33
135.32
333.33
138.56
333.33
71.72
177.08
73.61
177.08
No. of Transformers 3 3 2 2 2 2 2 2 2 2 2
Catalog Number Connection
Diagram
F F H G H L H H H G G
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 
Buck-Boost Transformer Selection Chart
240 x 480 Volts Primary–24/48 Volts Secondary
 Single Phase BOOSTING BUCKING
Line Voltage (Available)  230 380 416 425 430 435 440 450 465 132 277 480 480 504
Load Voltage (Output)  276 418 458 468 473 457 462 495 483 126 231 436 457 480
Click part # for info Connection
Diagram
B D D D D C C D C C B D C C
T-1-81061 KVA
Amps
0.29
1.04
0.44
1.04
0.48
1.04
0.49
1.04
0.49
1.04
0.95
2.08
0.96
2.08
0.52
1.04
1.01
2.08
0.28
2.19
0.29
1.25
0.50
1.15
1.02
2.19
1.05
2.19
T-1-81062 KVA
Amps
0.58
2.08
0.87
2.08
0.95
2.08
0.97
2.08
0.99
2.08
1.90
4.17
1.93
4.17
1.03
2.08
2.01
4.17
0.55
4.38
0.58
2.50
1.00
2.29
2.00
4.38
2.10
4.38
T-1-81063 KVA
Amps
0.86
3.13
1.31
3.13
1.43
3.13
1.46
3.13
1.48
3.13
2.85
6.25
2.89
6.25
1.55
3.13
3.02
6.25
0.83
6.56
0.87
3.75
1.50
3.44
3.00
6.56
3.15
6.56
T-1-81064 KVA
Amps
1.44
5.21
2.18
5.21
2.38
5.21
2.43
5.21
2.46
5.21
4.76
10.42
4.81
10.42
2.58
5.21
5.03
10.42
1.38
10.94
1.44
6.25
2.50
5.73
5.00
10.94
5.25
10.94
T-1-81065 KVA
Amps
2.88
10.42
4.35
10.42
4.77
10.42
4.87
10.42
4.93
10.42
9.52
20.83
9.63
20.83
5.16
10.42
10.06
20.83
2.75
21.88
2.89
12.50
5.00
11.46
10.00
21.88
10.50
21.88
T-1-81066 KVA
Amps
4.31
15.63
6.53
15.63
7.15
15.62
7.30
15.63
7.39
15.63
14.27
31.25
14.44
31.25
7.73
15.63
15.09
31.25
4.13
32.81
4.33
18.75
7.50
17.91
15.00
32.81
15.75
17.19
T-1-37920 KVA
Amps
5.75
20.83
8.71
20.83
9.53
20.83
9.74
20.83
9.85
20.83
19.03
41.67
19.25
41.67
10.31
20.83
20.13
41.67
5.50
43.75
5.77
25.00
10.00
22.92
20.00
43.75
21.00
43.75
T-1-37921 KVA
Amps
8.63
31.25
13.06
31.25
14.30
31.25
14.61
31.25
14.78
31.25
28.55
62.50
28.88
62.50
15.47
31.25
30.19
62.50
8.25
65.63
8.66
37.50
15.00
34.37
30.00
65.63
31.50
65.63
T-1-37922 KVA
Amps
11.50
41.67
17.42
41.67
19.07
41.67
19.48
41.67
19.71
41.67
38.06
83.33
38.50
83.33
20.63
41.67
40.25
83.33
11.00
87.50
11.54
50.00
20.00
45.83
40.00
87.50
42.00
87.50
T-1-37923 KVA
Amps
17.25
62.50
26.13
62.50
28.60
62.50
29.22
62.50
29.56
62.50
57.09
125.00
57.75
125.00
30.94
62.50
60.38
125.00
16.50
131.25
17.31
75.00
30.00
68.75
60.00
131.25
63.00
131.25
T-1-37924 KVA
Amps
28.75
104.17
43.54
104.17
47.67
104.17
48.70
104.17
49.27
104.17
95.16
208.33
96.25
208.33
51.56
104.17
100.63
208.33
27.50
218.75
28.85
125.00
50.00
114.58
100.00
218.75
105.00
218.75
Catalog Number Connection
Diagram
B D D D D C C D C C B D C C
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 
Buck-Boost Transformer Selection Chart
240 x 480 Volts Primary–24/48 Volts Secondary
 Three Phase BOOSTING BUCKING
Line Voltage (Available)  399Y
230
380 430 440 460 460 480 480 440 440 460 460 460 480 500 500
Load Voltage (Available)  480Y
277
418 473 462 506 483 528 504 400 419 438 418 457 436 455 476
Click part # for info Connection
Diagram
E G G H G H G H G H H G H G G H
T-1-81061 KVA
Amps
0.86
1.04
0.75
1.04
0.85
1.04
1.67
2.08
0.91
1.04
1.74
2.08
0.95
1.04
1.82
2.08
0.79
1.15
1.59
2.19
1.66
2.19
0.83
1.15
1.73
2.19
0.87
1.15
0.90
1.15
1.80
2.19
T-1-81062 KVA
Amps
1.73
2.08
1.51
2.08
1.71
2.08
3.33
4.17
1.83
2.08
3.49
4.17
1.91
2.08
3.64
4.17
1.59
2.29
3.18
4.38
3.32
4.38
1.66
2.29
3.46
4.38
1.73
2.29
1.80
2.29
3.61
4.38
T-1-81063 KVA
Amps
2.59
3.13
2.26
3.13
2.56
3.13
5.00
6.25
2.74
3.13
5.23
6.25
2.86
3.13
5.46
6.25
2.38
3.44
4.76
6.56
4.98
6.56
2.49
3.44
5.20
6.56
2.60
3.44
2.71
3.44
5.41
6.56
T-1-81064 KVA
Amps
4.32
5.21
3.77
5.21
4.27
5.21
8.34
10.42
4.56
5.21
8.71
10.42
4.76
5.21
9.09
10.42
3.97
5.73
7.94
10.94
8.30
10.94
4.15
5.73
8.66
10.94
4.33
5.73
4.51
5.73
9.02
10.94
T-1-81065 KVA
Amps
8.64
10.42
7.54
10.42
8.53
10.42
16.67
20.83
9.13
10.42
17.43
20.83
9.53
10.42
18.19
20.83
7.94
11.46
15.88
21.88
16.60
21.88
8.30
11.46
17.32
21.88
8.66
11.46
9.02
11.46
18.04
21.88
T-1-81066 KVA
Amps
12.96
15.62
11.31
15.63
12.80
15.63
25.01
31.25
13.69
15.63
26.14
31.25
14.29
15.63
27.28
31.25
11.91
17.19
23.82
32.81
24.90
32.81
12.45
17.19
25.98
32.81
12.99
17.19
13.53
17.19
27.06
32.81
T-1-37920 KVA
Amps
17.28
20.83
15.08
20.83
17.07
20.83
33.34
41.67
18.26
20.83
34.86
41.67
19.05
20.83
36.37
41.67
15.88
22.92
31.75
43.75
33.20
43.75
16.60
22.92
34.64
43.75
17.32
22.92
18.04
22.92
36.08
43.75
T-1-37921 KVA
Amps
25.92
31.25
22.62
31.25
25.60
31.25
50.01
62.50
27.39
31.25
52.29
62.50
28.58
31.25
54.66
62.50
23.82
34.38
47.63
65.63
49.80
65.63
24.90
34.38
51.96
65.63
25.98
34.37
27.06
34.37
54.13
65.63
T-1-37922 KVA
Amps
34.55
41.67
30.17
41.67
34.14
41.67
66.68
83.33
36.52
41.67
69.72
83.33
38.11
41.67
72.75
83.33
31.75
45.83
63.51
87.50
66.40
87.50
33.20
45.83
69.28
87.50
34.64
45.83
36.08
45.83
72.17
87.50
T-1-37923 KVA
Amps
51.83
62.50
45.25
62.50
51.20
62.50
100.03
125.00
54.78
62.50
104.57
125.00
57.16
62.50
109.12
125.00
47.63
68.75
95.26
131.25
99.59
131.25
49.80
68.75
103.92
131.25
51.96
68.75
54.13
68.75
108.25
131.25
T-1-37924 KVA
Amps
86.39
104.17
75.42
104.17
85.34
104.17
166.71
208.33
91.29
104.17
174.29
208.33
95.26
104.17
181.87
208.33
79.39
114.58
158.77
218.75
165.99
218.75
82.99
114.58
173.21
218.75
86.60
114.58
90.21
114.58
180.42
218.75
No. of Transformers 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2 2
Catalog Number Connection
Diagram
E G G H G H G H G H H G H G G H
  Output for lower voltage can be found by:  Rated Output Voltage
Rated Input Voltage
x  Input Actual Voltage = Output New Voltage.
 
Output KVA available at reduced voltage can be found by:  Actual Input Voltage
Rated Input Voltage
x  Output KVA = New KVA Rating.
 

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