ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
•
acmetransformer.com
57
SECTION
TA SERIES OPEN CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS
B
TB Series Primary Fuse Kits
Type PL112700 Through PL112705:
Using 2 Class CC Dual Element Fuses (not supplied)
Primary Fuse Sizing Chart
{
VA
120 V
208 V
230 V
240 V
277 V
380 V
416 V
440 V
460 V
480 V
550 V
600 V
50
1.2
0.6
0.6
0.6
0.6
0.3
0.3
0.3
0.3
0.3
0.3
0.3
75
1.9
1.0
1.0
1.0
0.8
0.6
0.6
0.6
0.5
0.5
0.4
0.4
100
2.5
1.5
1.3
1.3
1.0
0.8
0.8
0.6
0.6
0.6
0.6
0.5
150
3.8
2.0
2.0
1.9
1.5
1.2
1.2
1.0
1.0
1.0
0.8
0.8
250
3.5
3.5
3.5
3.0
3.0
2.0
1.8
1.8
1.5
1.5
1.4
1.2
300
4.0
4.0
4.0
3.5
3.0
2.5
2.5
2.0
2.0
1.9
1.5
1.5
350
5.0
5.0
4.5
4.0
4.0
2.5
2.5
2.5
2.0
2.0
1.9
1.8
500
7.0
4.0
3.5
3.5
5.5
4.0
3.5
3.5
3.5
3.0
3.0
2.5
750
10.0
6.0
5.5
5.0
4.5
6.0
5.5
5.0
5.0
5.0
4.0
4.0
1000
15.0
8.0
7.0
7.0
6.0
4.5
4.0
3.5
3.5
3.5
5.5
5.0
1500
20.0
12.0
12.0
12.0
10.0
7.0
6.0
6.0
5.5
5.5
5.0
4.5
2000
25.0
12.0
15.0
15.0
12.0
9.0
8.0
8.0
7.5
7.0
6.0
6.0
3000
30.0
20.0
20.0
20.0
15.0
15.0
12.0
12.0
12.0
12.0
10.0
9.0
5000
––
30.0
30.0
30.0
25.0
20.0
15.0
15.0
15.0
15.0
12.0
15.0
Figure 2
Q
Meets NEC Article 450 and UL-508 requirements.
Q
For use with class “CC” fuses.
Q
Eliminates remote mounting of primary
overcurrent protection.
Q
Covered by Acme Electric 10-year
limited warranty.
Field installation is fast and easy. Simply loosen
the mounting hardware (Fig. 1), slide the bracket
over the transformer and re-tighten the mounting
hardware. Make the proper connections with the
factory furnished jumpers (Fig. 2) and your unit is
ready for operation.
Figure 1
Secondary Fuse Sizing Chart
{
Fuse size based on time delay class CC fuses.
NOTE: Bold lines indicate changes in the percent of rated current used to calculate fuse sizes in accordance with article 450 of the NEC.
VA
24 V
85 V
91 V
99 V
100 V
110 V
115 V
120 V
125 V
130 V
50 VA
3.2
0.9
0.9
0.8
0.8
0.7
0.7
0.6
0.6
0.6
75 VA
5.0
1.4
1.2
1.2
1.2
1.0
1.0
1.0
1.0
0.8
100 VA
6.0
1.5
1.5
1.5
1.5
1.5
1.5
1.2
1.2
1.2
150 VA
10.0
2.5
2.5
2.5
2.5
2.0
2.0
2.0
2.0
1.5
250 VA
12.0
4.5
4.5
4.0
4.0
3.5
3.5
3.0
3.0
3.0
300 VA
15.0
5.5
5.5
5.0
5.0
4.5
4.5
4.0
4.0
3.5
350 VA
20.0
6.5
6.0
5.5
5.5
5.0
5.0
4.5
4.5
4.5
500 VA
25.0
9.0
9.0
8.0
8.0
7.0
7.0
6.0
6.0
6.0
750 VA
40.0
12.0
12.0
12.0
12.0
10.0
10.0
10.0
10.0
9.0
1000 VA
50.0
15.0
15.0
12.0
12.0
12.0
12.0
12.0
12.0
12.0
1500 VA
—
25.0
20.0
20.0
20.0
20.0
20.0
15.0
15.0
15.0
2000 VA
—
30.0
30.0
25.0
25.0
25.0
25.0
20.0
20.0
20.0
3000 VA
—
40.0
40.0
40.0
40.0
35.0
35.0
30.0
30.0
30.0
5000 VA
—
70.0
70.0
60.0
60.0
60.0
60.0
50.0
50.0
50.0
Fuse Kit adds approximately
1.75” to height of unit.
