Need a Quote? Call now 1.800.503.9717



Simulate a Robotic System ROI or request our Robotic Welding Application Analysis. 

OTC 500A, inverter-based weld power source delivers optimum welding performance on steel, stainless steel, and aluminum.  This Welbee P500L significantly reduces spatter generation across the entire range of low to high welding currents, delivering high-quality pulse welding by performing optimized waveform control according to materials.

WB-P500L KEY FEATURES & BENEFITS

• CBT-EX extra low spatter mode for carbon and stainless steels

• Reduced undercut during high speed welding

• High duty cycle for high output and automated applications

• J-Solution™ option for exceptional weldability of zinc coated steels

Specification Value
Number of phases 3
Rated frequency 50/60Hz
Rated input voltage 460V
Input voltage range 460V±10%
Rated input power 25.2kVA, 24.1kW
Rated input current 31.6A
Rated output current 500A(DC), 400A(Pulse)
Rated load voltage 39.0V(DC), 34.0V(Pulse)
Rated output current range 30 - 500A
Rated output voltage range 12.0 - 39.0V
Maximum no-load voltage 92V
Rated duty cycle 60%(DC), 80%(Pulse)
Number of welding conditions 100
Operating temperature range 14°F to 104°F (-10 to +40°C)
Operating humidity range less than 50%, 104°F (40°C), less than 90%, 68°F (20°C)
Storage temperature range -13°F to +131°F (-25 to + 55°C)
Storage humidity range less than 50%, 104°F (40°C), less than 90%, 68°F (20°C)
Dimensions (W x D x H) 15.6 x 28.0 x 31.9 in. (395 x 710 x 810mm)
Mass 178.6lbs (81kg)
Rated input power for DC TIG scratch start 14.1kVA, 12.6kW
Rated output current for DC TIG scratch start 400A
Rated load voltage for DC TIG scratch start 26.0V
Rated output current range for DC TIG scratch start 10 - 400A
Rated duty cycle for DC TIG scratch start 93%
Rated input power for DC STICK scratch start 12.8kVA, 11.4kW
Rated output current for DC STICK scratch start 300A
Rated load voltage for DC STICK scratch start 32.0V
Rated output current range for DC STICK scratch start 20 - 300A
Rated duty cycle for DC STICK scratch start 100%