2B RT-S420 IGBT Inverter MMA Welding Machine (Rapidtech Series)

The 2B RT-S420 IGBT Inverter MMA Welding Machine (Rapidtech Series) is a portable yet powerful DC inverter welding machine designed for fabrication, maintenance, and construction welding tasks. Built with modern IGBT inverter technology, this machine provides stable arc performance, efficient energy usage, and reliable welding output for professional and workshop environments.

Key Benefits

• High welding capacity supporting electrodes up to 5.0mm
• Portable inverter design with digital amp meter for precise current control
• Arc force control and overheating protection improve welding stability and safety

Product Overview

The 2B RT-S420 IGBT Inverter MMA Welding Machine from the Rapidtech Series is engineered for contractors, technicians, and workshop users who require reliable welding performance in a compact machine. Its inverter technology ensures smooth arc characteristics and improved power efficiency compared to conventional welding equipment.

Operating on a 220V power supply with 8.1 KVA maximum input power, the RT-S420 offers a current range from 20A to 180A, supporting electrodes from 1.6mm to 5.0mm. Designed for portability, the unit includes features such as a digital amp meter, arc force control, and secure threaded locking connectors, making it suitable for fabrication, equipment repair, and field welding work.

Ideal Applications

• General fabrication and structural repair welding
• Workshop and maintenance welding
• Portable welding tasks for construction and field work

Technical Specifications

What’s Included

• 2B RT-S420 IGBT Inverter MMA Welding Machine
• Welding Mask
• Wire Brush

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