water cooled capacitors and has become the supplier of choice for many induction heating furnace manufacturers worldwide. With decades of design expertise and manufacturing excellence, NWL is one the top manufacturers of water cooled capacitors in the world.
water cooled/liquid cooled capacitors provide solutions in a wide variety of induction heating applications, from forging to melting, heat treating and annealing, to billet heating and hardening.
Over 50 electrical configurations are currently available in a welded aluminum package, with the following features and options available upon request:
Pressure switches
Internal discharge resistors
Live or dead case construction
Single to multiple fine-tuning values per capacitor
Choice of bracket style and location
Choice of cooling water connections
Choice of terminal connections
Quick Reference Features
capacitors have these features and the following technical specifications
Liquid cooled
RFM Electrothermal capacitor sh capacitor capacitor for electric induction heating
1. Design for HIGH frequency system
2. Structure: Rectangle, Aluminum alloy shell, Water cooled tube match
3. Material: coarsened polypropylene film immersed in high performance liquid as composite medium and high
purity aluminium foil as electrodes.
4.rated voltage less than 3.6 kV and frequency less than 50 kHz.
Series resonant capacitors: mainly used in high frequency induction heating equipment to increase power factor
or improve circuit characteristic, it also used in melting and casting equipment.
RFM0.75-
- 1000 - 1 S
R=Electric heating
F=Liquid medium code (diarylethane)
M=Solid medium code (polypropylene film)
1000=1000KvarRepresents rated capacity (kVar)
1= 1000hzRepresents rated frequency (kHz)
S=Endnote number (water-cooled)
RFM water cooling capacitor Electric heating Capacitor specification
ite |
Specification |
Voltage |
Kvar |
Hz |
Rated UF |
A |
B |
h |
H |
weight |
1 |
RFM40.25-500-3S |
0.25 |
500 |
3 |
424.4 |
440 |
165 |
310 |
403 |
33 |
2 |
RFM20.375-160-8SB |
0.375 |
160 |
8 |
22.64 |
303 |
120 |
200 |
293 |
13 |
3 |
RFM20.375-250-20S |
0.375 |
250 |
20 |
14.15 |
303 |
120 |
175 |
268 |
11 |
4 |
RFM 0.375-750-1S |
0.375 |
750 |
1 |
848.8 |
440 |
205 |
435 |
528 |
56 |
5 |
RFM20.5-400-40S |
0.5 |
400 |
40 |
6.366 |
303 |
120 |
270 |
363 |
15 |
6 |
RFM20.5-640-20S |
0.5 |
640 |
20 |
20.37 |
303 |
120 |
300 |
393 |
18 |
7 |
RFM50.65-1000-0.5S |
0.65 |
1000 |
0.5 |
753.4 |
440 |
205 |
400 |
493 |
53 |
8 |
RFM30.65-1000-1S |
0.65 |
1000 |
1 |
376.7 |
336 |
142 |
415 |
508 |
31 |
9 |
RFM30.65-1000-8S |
0.65 |
1000 |
8 |
47.09 |
336 |
142 |
240 |
333 |
13 |
10 |
RFM20.75-160-8SB |
0.75 |
160 |
8 |
5.659 |
303 |
120 |
200 |
293 |
12 |
11 |
RFM20.75-250-2.5S |
0.75 |
250 |
2.5 |
28.29 |
303 |
120 |
200 |
293 |
12 |
12 |
RFM20.75-320-8S |
0.75 |
320 |
8 |
11.32 |
303 |
120 |
200 |
293 |
12 |
13 |
RFM20.75-360-1S |
0.75 |
360 |
1 |
101.9 |
303 |
120 |
240 |
333 |
14 |
14 |
RFM220.75-360-1S |
0.75 |
360 |
1 |
101.9 |
303 |
120 |
270 |
363 |
15 |
15 |
RFM20.75-360-50S |
0.75 |
360 |
50 |
2.037 |
303 |
120 |
200 |
293 |
12 |
16 |
RFM20.75-500-2.5S |
0.75 |
500 |
2.5 |
56.59 |
303 |
120 |
220 |
313 |
13 |
17 |
RFM20.75-560-4S |
0.75 |
560 |
4 |
39.61 |
303 |
120 |
240 |
333 |
14 |
18 |
RFM20.75-640-8S |
0.75 |
640 |
8 |
22.64 |
303 |
120 |
175 |
268 |
11 |
19 |
RFM30.75-720-1S |
0.75 |
720 |
1 |
203.7 |
336 |
142 |
270 |
363 |
19 |
20 |
RFM320.75-720-1S |
0.75 |
720 |
1 |
203.7 |
336 |
142 |
310 |
403 |
23 |
21 |
RFM30.75-750-0.5S |
0.75 |
750 |
0.5 |
424.4 |
336 |
142 |
515 |
608 |
38 |
22 |
RFM40.75-1000-0.5S |
0.75 |
1000 |
0.5 |
565.9 |
440 |
165 |
400 |
493 |
42 |
23 |
RFM30.75-1000-1S |
0.75 |
1000 |
1 |
282.9 |
336 |
142 |
360 |
453 |
26 |
24 |
RFM320.75-1000-1S |
0.75 |
1000 |
1 |
282.9 |
336 |
142 |
410 |
503 |
31 |
25 |
RFM330.75-1000-1S |
0.75 |
1000 |
1 |
282.9 |
336 |
142 |
450 |
543 |
33 |
26 |
RFM60.75-1000-1S |
0.75 |
1000 |
1 |
282.9 |
336 |
165 |
375 |
468 |
33 |
27 |
RFM30.75-1000-2.5S |
0.75 |
1000 |
2.5 |
113.2 |
336 |
142 |
270 |
363 |
19 |
28 |
RFM30.75-1000-8S |
0.75 |
1000 |
8 |
35.37 |
336 |
142 |
220 |
313 |
18 |
29 |
RFM30.75-1000-30S |
0.75 |
1000 |
30 |
9.431 |
336 |
142 |
240 |
333 |
19 |
30 |
RFM30.75-1500-1S |
0.75 |
1500 |
1 |
424.4 |
336 |
142 |
515 |
608 |
38 |
31 |
RFM40.75-1500-1S |
0.75 |
1500 |
1 |
424.4 |
440 |
165 |
350 |
443 |
40 |
32 |
RFM30.75-1500-2.5S |
0.75 |
1500 |
2.5 |
169.8 |
336 |
142 |
340 |
433 |
24 |
33 |
RFM40.75-2000-1S |
0.75 |
2000 |
1 |
565.9 |
440 |
170 |
400 |
493 |
41 |
34 |
RFM420.75-2000-1S |
0.75 |
2000 |
1 |
565.9 |
440 |
170 |
465 |
558 |
48 |
35 |
RFM40.75-2000-6S |
0.75 |
2000 |
6 |
94.31 |
440 |
165 |
240 |
333 |
26 |
36 |
RFM40.8-2000-1.5S |
0.8 |
2000 |
1.5 |
331.6 |
440 |
165 |
350 |
443 |
40 |
37 |
RFM31.0-1000-1S |
1 |
1000 |
1 |
159.2 |
336 |
142 |
360 |
453 |
26 |
38 |
RFM21.0-1000-20S |
1 |
1000 |
20 |
7.958 |
303 |
120 |
240 |
333 |
14 |
39 |
RFM31.175-2000-2.7S |
1.175 |
2000 |
2.7 |
85.39 |
336 |
142 |
350 |
443 |
25 |
40 |
RFM41.2-1000-0.5S |
1.2 |
1000 |
0.5 |
221 |
440 |
165 |
325 |
418 |
33 |
41 |
RFM421.2-1000-0.5S |
1.2 |
1000 |
0.5 |
221 |
440 |
165 |
360 |
453 |
41 |
42 |
RFM31.2-1000-1S |
1.2 |
1000 |
1 |
110.5 |
336 |
142 |
300 |
393 |
22 |
43 |
RFM41.2-1200-0.7S |
1.2 |
1200 |
0.7 |
189.5 |
440 |
165 |
300 |
393 |
30 |
44 |
RFM41.2-1500-0.5S |
1.2 |
1500 |
0.5 |
331.6 |
440 |
165 |
465 |
558 |
44 |
45 |
RFM421.2-1500-0.5S |
1.2 |
1500 |
0.5 |
331.6 |
440 |
165 |
495 |
588 |
50 |
46 |
RFM51.2-2000-0.5S |
1.2 |
2000 |
0.5 |
442.1 |
440 |
205 |
435 |
528 |
56 |
47 |
RFM41.2-2000-1S |
1.2 |
2000 |
1 |
221 |
440 |
165 |
360 |
453 |
40 |
48 |
RFM51.4-2000-0.5S |
1.4 |
2000 |
0.5 |
324.8 |
440 |
205 |
425 |
518 |
55 |
49 |
RFM 1.5-1000-0.2S |
1.5 |
1000 |
0.2 |
353.7 |
440 |
205 |
495 |
588 |
67 |
50 |
RFM3 1.5-1000-1S |
1.5 |
1000 |
1 |
70.74 |
336 |
142 |
340 |
433 |
24 |
51 |
RFM3 1.5-2000-2.5S |
1.5 |
2000 |
2.5 |
56.59 |
336 |
142 |
400 |
493 |
30 |
52 |
RFM3 1.6-1000-0.5S |
1.6 |
1000 |
0.5 |
124.3 |
336 |
142 |
450 |
543 |
33 |
53 |
RFM 1.6-2000-0.5S |
1.6 |
2000 |
0.5 |
248.7 |
440 |
205 |
390 |
483 |
52 |
54 |
RFM 1.6-3000-0.5S |
1.6 |
3000 |
0.5 |
373 |
440 |
205 |
560 |
653 |
70 |
55 |
RFM 1.7-1500-0.25S |
1.7 |
1500 |
0.25 |
330.4 |
440 |
205 |
610 |
703 |
78 |
56 |
RFM 1.7-3000-0.5S |
1.7 |
3000 |
0.5 |
330.4 |
440 |
205 |
590 |
683 |
72 |
57 |
RFM 2.0-3000-4S |
2 |
3000 |
4 |
29.84 |
440 |
165 |
350 |
454 |
38 |
58 |
RFM5 2.2-2000-0.5S |
2.2 |
2000 |
0.5 |
131.5 |
440 |
205 |
435 |
539 |
56 |
59 |
RFM 2.4-2000-0.5S |
2.4 |
2000 |
0.5 |
110.5 |
440 |
205 |
435 |
539 |
56 |