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toll free 800.334.5214 ACME ELECTRIC |
hubbell-acmeelectric.comT B S e r i e s O p e n C o r e a n d C o i l I n d u s t r i a l C o n t r o l T r a n s f o r m e r s
Figure 2
Figure 1
Fuse Kit adds approximately
1.75” to height of unit.
TB SERIES PRIMARY FUSE KITS
Type PL112700 Through PL112705:
Using 2Class CC Dual Element Fuses (not supplied)
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.
PRIMARY FUSE SIZING CHART
①
VA
120V
208V
230V
240V
277V
380V
416V
440V
460V
480V
550V
600V
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
①
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.
SECONDARY FUSE SIZING CHART
VA
24V
85V
91V
99V
100V
110V
115V
120V
125V
130V
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