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CO₂/MAG/MIG Welding Machine
  • CPDP350 Discontinued - Product image
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CPDP350 Discontinued Professional CO₂/MIG/MAG Welding Machines

OTC DAIHEN CPDP350 Digital Pulse Welder (Discontinued)

⚠️ Important Notice: The CPDP350 model is discontinued. For a comparable or upgraded replacement, please inquire about the WB-P400. This page is provided for reference for existing users.

The CPDP350 was a digital pulse welder from OTC DAIHEN, featuring a unique digital control philosophy that provides instantaneous current waveform control for pulse welding, ensuring high performance of the welding process and system. With a stable arc, near 100% arc start rate, and low spatter, it was especially suitable for high-speed, high-quality welding with automated machinery. The built-in OTC welding expert system offers a rich database to meet diverse welding needs for materials such as mild steel, stainless steel, aluminum, galvanized steel, and copper. Digital display of current and voltage enhanced readability. Although discontinued, its technology has been carried forward in the successor model WB-P400.

✨ Key Technology Advantages

  • Digital waveform control — Instantaneous current waveform control for high-performance welding.

  • Stable arc, near 100% start rate — Reliable starts, consistent arc.

  • Low spatter design — Minimizes spatter, reduces post-weld cleaning.

  • Multi-material capability — Mild steel, stainless steel, aluminum, galvanized steel, copper.

  • Welding expert system — Built-in database for diverse applications.

  • Digital display — Clear current/voltage readout, easy operation.

🔧 Primary Applications

Automated welding lines, automotive manufacturing, motorcycle frames, home appliances, metal fabrication – especially where high-speed quality welding and multi-material switching are required.

📊 OTC DAIHEN CPDP350 Technical Specifications & Accessories

* Refer to official OTC DAIHEN datasheet for full details.
Series NameCPDP350
Power SourceModelCPDP-350
Input Voltage3-phase, 380V±10%, 50/60Hz
Rated Input CapacitykVA21.1 (15.0kW)
Output Current RangeA40~350
Rated Duty Cycle%60
Dimensions (W×D×H)mm376×651×831
Weightkg76
Wire FeederModelCMXH-2301CMXH-1407
(steel/stainless, air-cooled)(aluminum, air-cooled)
Welding TorchModelWT3510-SCDWTA300-SD
(steel/stainless)(aluminum)
Gas RegulatorModelW-50FL-Ar
Welding CableModelBKPT-7002

🛒 Genuine OTC DAIHEN Parts · Professional Support

We are an authorized distributor of OTC DAIHEN welding equipment, supplying genuine machines and spare parts. The CPDP350 is discontinued; for the replacement model WB-P400 or any OTC parts, please contact us:

📞 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