Darrah offers a complete line of
Solid State Air Cooled Mechanical Contactor Replacements for
welding controls thru 60 KVA. Solid state replacements have no moving parts. No contacts to wear out.
These are simple to install. Complete instructions are included.
| Darrah Part Number |
Welding Rating Amps RMS at 50% duty cycle |
SCR Voltage Rating (PIV) (VRRM) |
Suggested Maximum Transformer KVA (2) |
| |
10% |
20% |
50% |
100% |
|
230 Line Volts |
460 Line Volts |
| CMB175-12 |
310 |
205 |
115 |
60 |
1200 |
20 |
- |
| CMB175-16 |
310 |
205 |
115 |
60 |
1600 |
- |
40 |
| CMB275-12 |
450 |
275 |
140 |
70 |
1200 |
25 |
- |
| CMB275-18 |
450 |
275 |
140 |
70 |
1800 |
- |
50 |
| CMB300-12 |
500 |
330 |
160 |
75 |
1200 |
30 |
- |
| CMB300-12 |
500 |
330 |
160 |
75 |
1600 |
- |
60 |