The T500P is an intelligent DC pulse TIG welder from OTC DAIHEN, featuring Welbee inverter technology. With a maximum output of 500A, it achieves high-efficiency welding while maintaining excellent stability in the low current range. The wide 2-500A output range allows a single power source to handle everything from ultra-thin sheets to thick plates. The built‑in welding setup navigation function automatically matches welding conditions, and the welding management function detects abnormalities early to ensure weld quality. Ideal for demanding applications in aerospace, pressure vessels, and pipe welding.
500A high output — High-efficiency welding for thick plates.
2-500A wide current range — One machine covers ultra-thin to thick plates.
Welding setup navigation — Automatically matches welding conditions, simplifying setup.
Welding management function — Real-time monitoring, early abnormality detection.
Welbee full digital inverter technology — Precise arc control for superior weld quality.
60% duty cycle — Suitable for long-duration continuous operation.
Compact & lightweight — Dimensions 395×710×640mm, weight only 61kg.
Aerospace, pressure vessels, pipe welding, heavy machinery, stainless steel products, precision instruments – DC TIG welding of stainless steel, alloy steel, titanium alloys, copper, and other materials.
| Series Name | Welbee Inverter T500P | ||||
|---|---|---|---|---|---|
| Power Source | Model | WB-T500P | |||
| Input Voltage | 380V | ||||
| Rated Input Capacity | kVA | 19.3 kVA 17.2 kW / 18.2 kVA 15.9kW | |||
| Rated Duty Cycle | % | 60 | |||
| Rated Output Current | A | 500A / 400A | |||
| Rated Load Voltage | V | 30V / 36V | |||
| Output Current Range | A | 2~500A / 10~400A | |||
| Max. No‑Load Voltage | V | 70 / 77 | |||
| Operating Temperature | ℃ | -10 ~ 40 | |||
| Dimensions (W×D×H) | mm | 395×710×640 (without eyebolt) | |||
| Weight | kg | 61 | |||
| Cable Length | m | 4 | |||
| Gas Flow Regulator | Model | W-25FL-Ar | |||
| Rated Gas Flow | L/min | 25 | |||
We are an authorized distributor of OTC DAIHEN welding equipment, supplying genuine machines and spare parts. For inquiries about the T500P or any OTC parts, please contact us:
📞 Tel / WeChat / WhatsApp: +86 180-9663-1656
📧 Email: ahojotc@gmail.com
Over 10 years in welding automation — 7×12 hours online, add our WeChat for technical exchange.
Company: COMPANY:Authorized Distributor of OTC Daihen
Contact person: Contact:Mr.Fang
Mobile phone: Phone:+86-18096631656
Email address: Email:15305667776@163.com
Address: Add:Room 11-704, K Xijia, No. 502, Wangjiang West Road, Hefei, Anhui, China