Open Core and Coil Transformers
Class 7400 / Refer to Catalog 7400CT9601
Open Core and Coil Transformers Designed for General Applications for 600 V and Below
Units are designed with 220 °C insulation, aluminum windings, top terminations, compact design to save space, and are UL component recognized for:
-
Non-energy efficiency (less than 15 kVA)
Single-phase 5–10 VA
Three-phase 3–9 VA -
Energy efficiency (meets Table 4-2 of NEMA TP1–2002)
Single-phase 15–75 kVA
Three-phase 15–112.5 kVA
Figure 1 |
Figure 2 |
Figure 3 |
Single-Phase Open Core and Coil Transformers—240 X 480 V Primary, 120/240 V Secondary, 60 Hz
|
kVA |
Catalog |
Deg. |
Full Capacity Taps |
Dimensions [1] |
Weight |
Figure |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
A |
B |
C |
D |
E[2] |
|||||||||||
|
in |
mm |
in |
mm |
in |
mm |
in |
mm |
in |
mm |
||||||
|
5 |
5S1HFOC |
115 |
— |
8.00 |
203 |
9.00 |
229 |
11.00 |
279 |
8.00 |
203 |
8.00 |
203 |
66 |
1 |
|
7.5 |
7S1HFOC |
— |
14.25 |
362 |
8.50 |
216 |
80 |
||||||||
|
10 |
10S1HFOC |
— |
20.50 |
521 |
18.5 |
470 |
14.00 |
356 |
17.0 |
432 |
4.25 |
108 |
140 |
2 |
|
|
15 |
150 |
6–2.5% 2+4–[3] |
|||||||||||||
|
25 |
20.25 |
514 |
18.5 |
470 |
14.00 |
356 |
17.0 |
432 |
5.00 |
127 |
200 |
||||
|
37.5 |
22.00 |
559 |
18.00 |
457 |
5.50 |
140 |
255 |
||||||||
|
50 |
22.00 |
559 |
6.50 |
165 |
310 |
||||||||||
|
75 |
22.25 |
565 |
28.0 |
711 |
22.00 |
559 |
27.0 |
686 |
8.50 |
216 |
460 |
||||