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CO₂/MAG/MIG Welding Machine
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CPVS500 IGBT Inverter Control Professional CO₂/MIG/MAG Welding Machines

OTC DAIHEN CPVS500 Thyristor-Controlled CO₂/MAG Welder

The CPVS500 is a classic thyristor-controlled CO₂/MAG welding machine from OTC DAIHEN, renowned for its stability and reliability. The 1‑knob voltage presetting function automatically matches arc voltage to the welding current, greatly simplifying parameter adjustment. The intuitive control panel makes operation easy even for beginners. Stable arc starting from low to high currents ensures smooth welding. Suitable for mild steel and stainless steel, the CPVS500 is a cost-effective choice for general fabrication.

✨ Key Technology Advantages

  • 1‑knob voltage presetting — Arc voltage automatically matches welding current, reducing manual adjustments and improving efficiency.

  • Easy operation — Welding conditions can be set easily on the front panel; user-friendly interface.

  • Excellent arc starting — Stable arc initiation from low to high currents, smooth arc characteristics.

  • High current output — Rated at 500A, suitable for medium to thick plates.

  • Reliable wire feeding — Equipped with CM-9202 wire feeder, supports wire diameters from 0.8 to 1.6mm, feed speed 1.5~22m/min.

  • Matching torch — WT5000-SBD air-cooled torch, lightweight and durable, for 1.2~1.6mm wires.

  • Compact & lightweight — Power source only 51.2kg, easy to move and install.

🔧 Primary Applications

Automotive manufacturing, motorcycle frames, steel structures, metal furniture, general machinery, repair shops – CO₂/MAG welding of mild steel and stainless steel.

OTC DAIHEN CPVS500 welder exterior
OTC DAIHEN CPVS500 Thyristor-Controlled Welder

📊 OTC DAIHEN CPVS500 Technical Specifications & Accessories

* Refer to official OTC DAIHEN datasheet for full details.
Power Source ModelCPVS500
Input Voltage380V
Rated Input Power24kVA ,22.0kW
Rated Input Current35.5A
Rated Output Current500A
Rated Output Voltage39V
Output Current Range30~500A
Output Voltage Range12~45V
Max. No-Load Voltage64V
Rated Duty Cycle60%
Protection ClassIP21S
Weight51.2kg
Dimensions (W×D×H)345×550×580 mm
Wire Feeder
Wire Feeder ModelCM-9202
Wire Diameter (mm)(0.8), (0.9), 1.0, 1.2, (1.4), (1.6)
Wire Feed Speed (m/min)1.5~22
Wire Spool Capacity (kg)25
Weight (kg)8
Welding Torch
Torch ModelWT5000-SBD
Wire Diameter (mm)1.2, (1.4), (1.6)
Cooling MethodAir-cooled
Control CableK10012Q01
Gas HoseK5857
FlowmeterHLCO2-9
OTC DAIHEN CPVS500 dimension drawing
CPVS500 Dimensions (unit: mm)

🛒 Genuine OTC DAIHEN Parts · Professional Support

We are an authorized distributor of OTC DAIHEN welding equipment, supplying 100% genuine machines and spare parts. CPVS500 welders, wire feeders, and torches are available from stock.

📞 Tel / Whatsapp/WeChat: +86 180-9663-1656

📧 Email: ahojotc@gmail.com
           Over 10 years in welding automation — 7×12 hours online, add our WeChat for technical exchange.

Anhui Oujie Automation — OTC DAIHEN Official Sales & Service Partner