SECTION
BUCK-BOOST TRANSFORMERS
ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
•
acmetransformer.com
98
{
See chart on page 101.
NOTE: (1) 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. (2) Connection Diagrams A-A and F-F cannot be reverse connected.
GROUP II
THREE PHASE
BOOSTING
Line Voltage
183Y 208Y
195
208
225
(Available)
106
Y
120
Y
Load Voltage
208
236
208
240
240
(Output)
CAT. NO.
Load kVA
1.13
1.28
1.13
0.63
1.30
T181054
Amps
3.13
3.13
3.13
1.56
3.13
Max. Size of
6
6
6
3
6
Fuse or Breaker
Load kVA
2.25
2.55
2.25
1.27
2.60
T181055
Amps
6.25
6.25
6.25
3.13
6.25
Max. Size of
15
15
15
6
15
Fuse or Breaker
Load kVA
3.38
3.83
3.38
1.90
3.90
T181056
Amps
9.38
9.38
9.38
4.69
9.38
Max. Size of
15
15
15
10
15
Fuse or Breaker
Load kVA
5.63
6.39
5.63
3.17
6.50
T181057
Amps
15.63
15.63
15.63
7.81 15.63
Max. Size of
25
25
25
15
25
Fuse or Breaker
Load kVA
11.26
12.77
11.26
6.33 12.99
T181058
Amps
31.25
31.25
31.25
15.63 31.25
Max. Size of
45
45
45
25
45
Fuse or Breaker
Load kVA
16.89
19.16
16.89
9.50 19.49
T181059
Amps
46.88
46.88
46.88
23.44 46.88
Max. Size of
70
70
70
35
70
Fuse or Breaker
Load kVA
22.52
25.55
22.52
12.67 25.98
T113073
Amps
62.50
62.50
62.50
31.25 62.50
Max. Size of
90
90
90
45
90
Fuse or Breaker
Load kVA
33.77
38.32
33.77
19.00 38.97
T113074
Amps
93.75
93.75
93.75
46.88 93.75
Max. Size of
150
150
125
70
125
Fuse or Breaker
Load kVA
45.03
51.10
45.03
25.33 51.96
T113075
Amps
125.00 125.00 125.00
62.50 125.00
Max. Size of
200
200
175
90
175
Fuse or Breaker
Load kVA
67.55
76.64
67.55
38.00 77.94
T113076
Amps
187.50 187.50 187.50
93.75 187.50
Max. Size of
300
300
250
150
250
Fuse or Breaker
Load kVA
112.58 127.74 112.58
63.33 129.90
T113077
Amps
312.50 312.50 312.50 156.25 312.50
Max. Size of
450
450
450
225
450
Fuse or Breaker
Load kVA
166.87 191.61 168.87
94.99 194.86
T213078
{
Amps
468.75 468.75 468.75 234.38 468.75
Max. Size of
700
700
700
350
700
Fuse or Breaker
Load kVA
225.17 255.48 225.17 126.66 259.81
T213079
{
Amps
625.00 625.00 625.00 312.50 625.00
Max. Size of
1000
1000
1000
450
1000
Fuse or Breaker
Quantity Required
3
3
2
2
2
See Page 110 For
A-A
A-A
G-G
B-B
G-G
Connection Diagrams
BUCKING
240
245 250
256
265
272
208 230 234
240 234 240
0.56
1.33
1.35
1.39
0.72
0.74
1.56
3.33
3.34
3.33
1.77
1.77
3
6
6
6
3
3
1.13
2.65
2.71
2.77
1.43
1.47
3.13
6.66
6.68
6.67
3.54
3.54
6
15
15
15
6
6
1.69
3.98
4.06
4.16
2.15
2.21
4.69
9.99 10.02 10.00 5.31
5.31
10
15
15
15
10
10
2.81
6.63
6.77
6.93
3.59
3.68
7.81 16.64 16.69 16.67 8.85
8.85
15
20
20
20
15
15
5.63 13.26 13.53 13.86 7.17
7.36
15.63 33.29 33.39 33.33 17.69 17.71
20
40
40
40
20
20
8.44 19.89 20.30 20.78 10.76 11.04
23.44 49.93 50.08 50.00 26.54 26.56
30
60
60
60
30
30
11.26 26.52 27.06 27.71 14.34 14.72
31.25 66.58 66.67 66.67 35.39 35.42
35
80
80
80
40
40
16.89 39.87 40.59 41.57 21.52 22.08
46.88 99.86 100.16 100.00 53.08 53.13
60
125
125
125
60
60
22.52 53.04 54.13 55.43 28.69 29.44
62.50 133.15 133.55 133.33 70.78 70.83
70
175
175
175
80
80
33.77 79.57 81.19 83.14 43.03 44.17
93.75 199.73 200.32 200.00 106.17 106.25
110
250
250
250
125
125
56.29 132.61 135.32 138.56 71.72 73.50
156.25 332.88 333.87 333.33 176.95 176.80
175
400
400
400
200
200
84.44 198.92 202.97 207.85 107.58 110.42
234.38 499.32 500.80 500.00 265.42 265.63
300
600
600
600
300
300
112.58 265.22 270.63 277.13 143.44 147.22
312.50 665.76 667.74 666.67 353.90 354.17
350
800
800
800
400
400
2
2
2
2
2
2
D-D
C-C
C-C
C-C
E-E
E-E
