Sincro ARC-400 2-pole DC Welders for SMAW process (400A)+ AC Generators

Sincro ARC400 – 2-Pole DC Welders/Generators with Electromechanical Regulation (400A)

The Sincro ARC400 is a high-performance Made in Italy 2-pole direct-current welder/generator, designed for SMAW (Shielded Metal Arc Welding) and auxiliary AC generation. Built with electromechanical step regulation, it delivers power, reliability, and precise control for on-site applications requiring up to 400A welding capacity.

Key Features:

• Double function: DC welder + AC generator

• DC welder capacity: up to 400A (35% duty cycle), 320A (60% duty cycle)

• Electromechanical step regulation – up to 36 fine steps for precise welding current adjustment

• Weldable electrodes: compatible with all types, including rutile, basic, and cellulosic

• Protection: IP23 – supplied with autoresettable thermal protection against overloads

• Alternator type: Brushes | IP23 protection class

• Available couplings: J609b (c35), B3/B9 (c30/38), IM B34, SAE 3/4/5

• Made in Italy – robust construction and proven durability

Applications:

• Pipeline welding and civil engineering projects

• Industrial and agricultural maintenance

• Medium-to-heavy fabrication and repair

• Auxiliary AC power supply for mobile and on-site operations

Available Models:

• ARC400 TDC/2 (3000 rpm) – 30 HP, 400A (35%), 320A (60%), AC generator: 10 kVA (400V 50Hz) + 4 kVA (230V 50Hz), Frame 140 mm

• ARC400 TDC/2 (3600 rpm) – 30 HP, 400A (35%), 320A (60%), AC generator: 12 kVA (480V 60Hz) + 5 kVA (240V 60Hz), Frame 140 mm

Why Choose the ARC400?

The ARC400 combines rugged mechanical strength with precise step-based welding control, making it an ideal solution for professionals who need a reliable and versatile welder/generator in the field. With its ability to handle all electrode types, built-in overload protection, and dual functionality as a welder and alternator, it ensures maximum productivity and safety on demanding worksites.