SECTION
ACME ELECTRIC
•
MILWAUKEE, WI
•
800.334.5214
•
acmetransformer.com
54
SECTION
TA SERIES OPEN CORE & COIL INDUSTRIAL CONTROL TRANSFORMERS
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.
1.
To mount the primary fuse kit bracket, remove the two 1/4"
(.64 cm) sheet metal screws on the terminal panel on the
primary (H side) of the transformer.
2.
Place the slots in the fuse kit mounting bracket over the
holes in the terminal and mounting bracket. To secure the
fuse kit, reinsert the two 1/4" (.64 cm) sheet metal screws
and tighten securely.
3.
Tighten all mounting screws securely–this will secure the
mounting bracket.
4.
Attach the female quick connect of the jumpers supplied
with the fuse kit to male quick connects on the right side
of the fuse blocks—one jumper to each of the blocks.
5.
Connect the ring terminal of the jumpers to the appropriate
screw terminals of the transformers primary (H side). Refer to
the transformer name plate for proper terminal connections.
6.
Connect primary supply line leads to the screw terminals
on the left side of the block—one line lead to each of the
fuse blocks.
TA Series Primary Fuse Kits
Instructions for TA Series Primary Fuse Kit
Type PL112706 & PL112707: Using 2 Class CC Dual Element Fuses (3000-5000 VA)
Type PL112700 Through PL112705:
Using 2 Class CC Dual Element Fuses (not supplied)
PRIMARY (HSIDE)
SECONDARY (XSIDE)
PRIMARY (HSIDE)
INPUT
SUPPLY
LINE
PRIMARY (HSIDE)
SECONDARY (XSIDE)
PRIMARY (HSIDE)
SECONDARY (XSIDE)
INPUT
SUPPLY
LINE
Figure 1
Figure 2
Primary 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
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
