+38 (067) 555-13-30

Kyiv, Boryspilska st., 11A





Welding power sources for Robotics


Since 1919, OTC Daihen has begun to produce welding transformers, and today is a global manufacturer of welding equipment. The welding sources of the OTC Daihen company ensure convenient and reliable work, excellent quality of both manual and robotic welding.

“Welbee” – unique technology developed by DAIHEN. Welbee performs precise adjustment of the shape of the current curve, providing an accurate response of ultra-high-speed current and welding voltage to ensure high accuracy and quality of welding.


Series "M" - inverter welding sources.


Series "P" - Pulse-mode inverter welding sources are universal models for welding steel, stainless steel and aluminum.

Technical specifications


WB-M400 WB M400L WB M500 WB P400 WB P500L
f, Hz 50/60 50/60 50/60
Inom, A 30-400 30-400 30-500 30-400 30-500
Unom, V 12,0-34,0 12,0-34,0
12,0-45,0 12,0-36,0 12,0-39,0
ПВ/WT 50% 50% 100% 50%

60% (DC)

80% (Pulse)


Full catalogue of welding equipment OTC Daihen (.pdf 79Mb, 102 pages.)


2-DELPHIN INGENIERING is the official representative and system integrator of OTC DAIHEN in Ukraine.