Overview

The KP Tech BK–WM400A is an ultra-heavy-duty MMA welding machine built for industrial fabrication yards, steel structure work, workshop production lines, heavy machinery repair, pipeline welding, high-load welding operations.

Powered by advanced IGBT inverter technology, model stable arc, deep fusion,  top-tier penetration —even on thick metal plates.

Its capability to operate on Single Phase + Three Phase makes it perfect for construction sites, workshops, and industrial facilities.

With a massive 400A @ 60% duty cycle,  welder continuous, high-output welding effortlessly handle . Features like 70–80V no-load voltage ensure lightning-fast arc ignition, while electrode compatibility up to 5.0mm rods makes this machine a true industrial performer.

🔩 Key Features

• 400A Industrial Output: Built for extreme heavy-duty welding.

• IGBT Inverter Performance: Smooth arc, lower energy loss, superior control.

• Single + Three Phase Support: Works anywhere—workshop or site.

• Heavy 60% Duty Cycle: Designed for long, uninterrupted welding jobs.

• 70–80V No-Load Voltage: Fast & stable arc initiation every time.

• Wide Electrode Range: Handles 1.6mm to 5.0mm rods easily.

• Stable Arc & Deep Penetration: Perfect for thick plates & structural welding.

• Durable & Portable: Rugged design yet easy to carry on-site.

🧼 Applications

• Industrial fabrication & steel structure welding

• Pipeline construction

• Heavy machinery repair

• Workshop production lines

• Construction & civil engineering work

• Shipbuilding, farm machinery & truck body fabrication

• Thick plate welding & high-strength joints

Specifications :

( Note - Enjoy a 6-month warranty on the armature coil for this product. )

🌟 Why Choose KP Tech BK–WM400A

✅ Massive 400A output = serious industrial power
✅ Stable arc with modern IGBT tech
✅ Single/Three phase flexibility
✅ Perfect for heavy-duty fabrication work
✅ Trusted KP Tech performance — by Dhumal CNC Enterprise