SECTION
BUCK-BOOST TRANSFORMERS
ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
•
acmetransformer.com
95
{
See chart on page 101.
NOTE: Inputs and Outputs may be reversed; kVA capacity remains constant. All applications above bold face line are suitable for 50/60 Hz. All applications below
bold face line are suitable for 60 Hz only.
With larger kVA buck-boost units, it is necessary to utilize multiple conductors on the secondary (X) terminals as shown in the chart on page 101.
GROUP II
SINGLE PHASE
BOOSTING
Line Voltage
95
100 105
208
215
215
220 225
(Available)
Load Voltage
120
114 119
240
244
230
235 240
(Output)
CAT. NO.
Load kVA
0.19
0.36
0.37
0.38
0.38
0.72
0.73 0.75
T181054
Amps
1.56
3.13
3.13
1.56
1.56
3.13
3.13 3.13
Max. Size of
6
6
6
6
6
6
6
6
Fuse or Breaker
Load kVA
0.38
0.71
0.74
0.75
0.76
1.44
1.47 1.50
T181055
Amps
3.13
6.25
6.25
3.13
3.13
6.25
6.25 6.25
Max. Size of
10
15
6
6
15
15
15
15
Fuse or Breaker
Load kVA
0.56
1.07
1.12
1.13
1.14
2.16
2.20 2.25
T181056
Amps
4.69
9.38
9.38
4.69
4.69
9.38
9.38 9.38
Max. Size of
10
15
15
10
10
15
15
15
Fuse or Breaker
Load kVA
0.94
1.78
1.86
1.88
1.91
3.59
3.67 3.75
T181057
Amps
7.81 15.63 15.63
7.81
7.81 15.63 15.63 15.63
Max. Size of
15
25
25
15
15
25
25
25
Fuse or Breaker
Load kVA
1.88
3.56
3.72
3.75
3.81
7.19
7.34 7.50
T181058
Amps
15.63 31.25 31.25 15.63
15.63 31.25 31.25 31.25
Max. Size of
25
45
45
25
25
45
45
45
Fuse or Breaker
Load kVA
2.81
5.34
5.58
5.63
5.72 10.78 11.02 11.25
T181059
Amps
23.44 46.88 46.88 23.44
23.44 46.88 46.88 46.88
Max. Size of
40
70
70
40
40
70
70
70
Fuse or Breaker
Load kVA
3.75
7.13
7.44
7.50
7.63 14.38 14.69 15.00
T113073
Amps
31.25 62.50 62.50 31.25
31.25 62.50 62.50 62.50
Max. Size of
50
90
90
50
50
90
90
90
Fuse or Breaker
Load kVA
5.63 10.69 11.16 11.25
11.44 21.56 22.03 22.50
T113074
Amps
46.90 93.80 93.80 46.90
46.90 93.80 93.80 93.80
Max. Size of
80
150
150
70
70
125
125
125
Fuse or Breaker
Load kVA
7.50 14.25 14.88 15.00
15.25 28.75 29.38 30.00
T113075
Amps
62.50 125.00 125.00 62.50
62.50 125.00 125.00 125.00
Max. Size of
100
200
200
90
90
175
175
175
Fuse or Breaker
Load kVA
11.25 21.38 22.31 22.50
22.88 43.13 44.06 45.00
T113076
Amps
93.80 187.50 187.50 93.80
93.80 187.50 187.50 187.50
Max. Size of
150
300
300
150
150
250
250
250
Fuse or Breaker
Load kVA
18.75 35.63 37.19 37.50
38.13 71.88 73.44 75.00
T113077
Amps
156.30 312.50 312.50 156.30 156.30 312.50 312.50 312.50
Max. Size of
250
450
450
225
225
450
450
450
Fuse or Breaker
Load kVA
28.10 53.40 55.80 56.30
57.20 107.80 110.20 112.50
T213078
{
Amps
234.40 468.80 468.80 234.40 234.40 468.80 468.80 468.80
Max. Size of
400
700
700
350
350
700
700
700
Fuse or Breaker
Load kVA
37.50 71.30 74.40 75.00
76.30 143.80 146.90 150.00
T213079
{
Amps
312.50 625.00 625.00 312.50 312.50 625.00 625.00 625.00
Max. Size of
500
1000 1000
450
450
1000 1000 1000
Fuse or Breaker
See Page 110 For
D
C
C
H
H
G
G
G
Connection Diagrams
BUCKING
135
240 240
245
250
255
119
208 225
230
234
239
0.42
0.37
0.75
0.77
0.78
0.80
3.54
1.77
3.33
3.33
3.33
3.33
6
3
6
6
6
6
0.84
0.74
1.50
1.53
1.56
1.59
7.08
3.54
6.67
6.67
6.67
6.67
15
6
15
15
15
15
1.26
1.11
2.25
2.30
2.34
2.39
10.63 5.31 10.00 10.00 10.00 10.00
15
6
15
15
15
15
2.11
1.84
3.75
3.83
3.90
3.98
17.71 8.85 16.67 16.67 16.67 16.67
20
15
20
20
20
20
4.21
3.68
7.50
7.67
7.80
7.97
35.42 17.71 33.33 33.33 33.33 33.33
40
20
40
40
40
40
6.32
5.53 11.25 11.50 11.70 11.95
53.13 26.56 50.00 50.00 50.00 50.00
60
30
60
60
60
60
8.43
7.37 15.00 15.33 15.60 15.93
70.83 35.42 66.67 66.67 66.67 66.67
80
40
80
80
80
80
12.64 11.05 22.50 23.00 23.40 23.90
106.30 53.10 100.00 100.00 100.00 100.00
125
60
125
125
125
125
16.86 14.73 30.00 30.67 31.20 31.87
141.70 70.80 133.30 133.30 133.30 133.30
175
80
175
175
175
175
25.29 22.10 45.00 46.00 46.80 47.80
212.50 106.30 200.00 200.00 200.00 200.00
250
125
250
250
250
250
42.15 36.83 75.00 76.67 78.00 79.67
354.20 177.10 333.30 333.30 333.30 333.30
400
200
400
400
400
400
63.20 55.30 112.50 115.00 117.00 119.50
531.30 265.60 500.00 500.00 500.00 500.00
600
300
600
600
600
600
84.30 73.70 150.00 153.30 156.00 159.30
708.30 354.20 666.70 666.70 666.70 666.70
800
400
800
800
800
800
F
I
E
E
E
E
