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CO₂/MAG/MIG Welding Machine

  • W400


  • The original AC pulse welding method of OTC welding machine W400 realizes high-efficiency and high-quality welding of ultra-thin plates;

    W400's improved double pulse enables high-quality welds with fewer defects;

    W400 can realize high-quality welding of aluminum, carbon steel, stainless steel and other materials and thicknesses;

  • Online orders

W400 output current increased by 33%! High-quality welding to medium and heavy plates is possible.

OTC welding machine W400 welding machine parameters

Comprehensive nameWelbee Inverter W400
welding power sourcemodelWB-W400
Input voltageIN380 (50/60Hz shared)
Rated input capacitykVA21.4(17.0kw)
Rated usage%DC: 350A 100%DC pulse: 283A 100%AC pulse: 300A 100%
Rated output currentADC: 400A/350ADC pulse: 400A/283AAC pulse: 400A/300
Rated load voltageINDC: 34V/31.5VDC pulse: 34V/28.2VAC pulse: 31.5V/29V
Output current rangeA30-400
Output voltage rangeIN12-34
Maximum no-load voltageIN88
Dimensions (W*D*H)mm395*710*835 (excluding rings)
Wire FeederformCM-7402CMA-7402CMAW-7402
Applicable wire diametermm(0.8), 0.9, 1.0, 1.2, (1.4, 1.6)1.0, 1.2, (1.6)(1.0), 1.2, 1.6
Use welding wire
Solid wire, flux-cored wire; hard aluminum, soft aluminum
wire feed speedm/minmax 22
Dimensions (W*D*H)mm207*588*372248*766*429248*778*429
weightkg12; 15
welding torchformWT3510-SDWTA300-SDWTAW400-SD
Rated currentA350300400
Applicable wire diametermm(0.9, 1.0), 1.2; 1.2, (1.6)
usage%MAG:30 CO2:60DC MIG: 50 Pulse MIG: 30100
cooling method
air cooling; water cooling
cable lengthm3 (4.5, 6); 3
Wire feeder side cableformBKPDT-6002
Cable diametermm260
Base metal side cableform60
Cable diametermm260

If you need to buy OTC welding machine W400 or any accessories of OTC, you can contact me. Our company sells all types of OTC equipment, original parts and spare parts. Our company is an OTC designated agent distributor in China. All parts are guaranteed to be genuine. Tel:+86-180-9663-1656 (same wechat and WhatsApp numbers). At the same time, you are welcome to join my wechat to exchange knowledge and information about OTC welding machine experience. You can also email me 15305667776@163.com and ahojotc@gmail.com. For network reasons, if you want to send me an email, please send it to both email addresses at the same time. thank you very much.

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