Virgo Solutions
VirgoPlus ES 401S multi-phase waterproof ARC inverter welding machine (placeholder image)
WATERPROOF

ES 401SModel: ES401S

Multi-phase (1/2/3-phase) waterproof DC MMA welding machine for heavy-duty industrial application

Top Features

  • Built-in high-efficiency IGBT inverter technology (30kHz working frequency) with multi-phase operation (1-phase, 2-phase, and 3-phase 230V/415V adaptability)
  • Tri-proof water-resistant and dust-resistant construction for harsh job site environments
  • High-capacity output reaching up to 400A current with dedicated Arc Force control
  • Equipped with VRD protection meeting CE safety requirements
  • Generator-compatible and supports extended welding cables up to 100 meters with zero loss in arc stability
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Product Overview

Virgo Plus presents the ES 401S, an ARC Water Proof Series IGBT Inverter DC MMA welding machine engineered for heavy-duty industrial application. Featuring flexible 1, 2, and 3-phase input capability (230V/415V), advanced SMT PCB construction, and an output range up to 400A, this 13 kg welder delivers stable arc performance and precise control across all electrode types.

Key Advantages

Waterproof Construction & Rugged DurabilityEngineered with a durable tri-proof waterproof design to ensure reliable and continuous operation in demanding and adverse job site environments.
Multi-Phase & Wide Input AdaptabilitySelf-adaptive power switch supports wide ranges from 110V–280V on single phase and 280V–560V on three-phase setups for maximum site versatility.
Heavy-Duty Industrial Power & Precision ControlDelivers high-capacity DC MMA welding performance up to 400A, featuring a separated Arc Force knob for precise arc tuning and integrated VRD protection for CE-compliant safety.
Generator Friendly & Extended Cable ReachEffectively overcomes generator voltage fluctuations during field operations and supports extended cable runs up to 100 meters without loss of arc stability.

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