MFDC transformer is also called Mid frequency direct current transformer.It is a single phase water cooled transformer. We supply various power of spot welder transformer.Our transformer is 1000hz mid-frequency dc transformer,typically used on spot welding machine,projection wedling,seam welding machine,IT Gun,Robotic Gun etc resistance welding equipments.Accept make to order accoridng to your welding machine.
MF-250KVA MFDC Spot Welder Transformer Technical Parameters:
| Power | 250KVA |
| Primary Voltage | 500V,1000Hz |
| No-load Secondary Voltage | 13V |
| ED=20% | 19KA,240KVA |
| ED=50% | 12.5KA,160KVA |
| ED=100% | 8.5KA,110KVA |
| Insulation Class | F |
| Turns Ratio | 38:1 |
| Maximum Short Circuit Current | 40KA |
| Cooling Water | ≥8L/min,<30degree |
| Diode type | ZE12000A *2 |
| Weight | 20KG |
| Standard | GB15575-2008 |
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1,All Mid frequency dc transformers accept customized electrode interface and transformer size according to client’s requirements.
2,All mfdc transformer can use in parallel,and supply suitable laminated copper shunts
3,All welding transformer can adjust their parameters according to client’s requirements.(transformer’s size maybe different)
MFDC Welding Transformer Photos:
MF240KVA Medium Frequency DC Inverter Transformer 
MF240KVA MF Inverter Transformer for spot welding machine 
MF240KVA MFDC Transformer
