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Full digital IGBT inverter control DC pulse CO2/MAG/MIG welding machine EP400/500
Using OTC's unique all-digital control technology to achieve current stability in the full current field.
New pulse control method to achieve high quality welding of carbon steel and stainless steel.
The standard configuration of the four-wheel drive with the encoder control of
the wire feeding device makes the wire feeding more precise and more stable.
Arc characteristic mode setting function, adapt to the needs of arc characteristics in various welding occasions.
The internal functional conditions can be directly set through the panel to facilitate operation.
Full digital control soft touch digital display for added comfort.
FULL DIGITAL INVERTER PULSE EP400/500
Standard technical specifications
| Name | EP-400 | EP-500 |
| Rated input voltage, frequency | 3P、380V±10%, 50/60Hz | |
| Rated input | DC：17.0kVA(15.5kW)； pulse：17.8kVA(16.3kW) | DC：24.2kVA(22.4kW)； pulse：20.0kVA(17.2kW) |
| Rated input current | DC：25.8A脉冲：27.0A | DC：36.8Apulse：30.4A |
| Rated output current | DC/pulse：400A | DC500A，pulse：400A |
| Rated load voltage | DC/pulse：34V | DC39V，pulse：34V |
| Rated output current range | 30～400A | DC：30～500A，pulse：30～400A |
| Rated output voltage range | 15.5～34V | 15.5～39V |
| Rated no-load voltage | 86.2V | 87.5V |
| Rated load duration | DC/pulse：60% | DC：500A 60%,pulse：400A 80% |
Welding condition storage (memory) number | 100 | |
| Insulation class | Transformer class F, reactor class H | H class |
| Dimensions(WxDxH) | 685X400X676 (mm) | |
| weight | 62kg | 66kg |
| Protection level | IP21S | |
| Wire feeding device | ||
| model | CME-6401 | |
| Applicable wire diameter | （0.8）/（0.9）/1.0/1.2/(1.4)/(1.6) | |
| Wire feed speed | 0.4-22m/min | |
| Welding wire carrying weight | 25kg | |
| weight | 11kg | |
| Other configuration | ||
| Welding torch | WT3510-SBD（Air cooled） | WT5000-SBD（Air cooled） |
| Gas flow regulator | W-50FL-Ar | W-50FL-Ar |
| Welding cable | BKPT-5002 | BKPT-7002 |
| Wire feeder gas pipe | K5857 | K5857 |
| 10-core control cable for wire feeder | QK0072B00 | QK0072B00 |
