HEAVY DUTY

ES 401HDModel: ES401HD

Heavy-duty 3-phase tri-proof DC MMA welding machine for demanding industrial environments

Top Features

Built-in high-efficiency IGBT inverter technology (30kHz working frequency)
Heavy-duty 3-phase 415V input with wide self-adaptive range (280V to 560V)
High power 20–400A current range with dedicated Arc Force adjustment knob
Tri-proof water-resistant and dust-resistant design for adverse industrial conditions
Built-in VRD protection (CE-compliant); generator-compatible with cables up to 100 meters

Product Overview

Virgo Plus presents the ES 401HD, an ARC Series IGBT Inverter DC MMA welding machine engineered for heavy-duty industrial applications. Operating on a 3-phase 415V supply with a rated input capacity of 15 KVA, this 14 kg welder combines SMT PCB technology, modular internal functional units, and an output range up to 400A to deliver superior arc stability across acid, basic, and high-strength electrodes.

Key Advantages

Heavy-Duty 3-Phase Industrial PowerDesigned for demanding commercial and industrial environments with a 3-phase AC 415V input, delivering up to 400A welding current with high duty-cycle performance.

Tri-Proof Construction & Rugged ReliabilityBuilt with a protective tri-proof chassis to ensure stable, long-lasting performance in harsh outdoor and job-site conditions.

Wide Input Voltage & Generator AdaptabilityFeatures a self-adaptive power switch (280V–560V) that resolves generator power fluctuations during field work while supporting up to 100-meter cable extensions.

Arc Control & Integrated VRD SafetyIncludes a separated Arc Force control knob for fine tuning arc characteristics, paired with built-in VRD protection to meet CE safety requirements.

ES 401HDModel: ES401HD

Top Features

Product Overview

Key Advantages

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