MB401D Water Cooled Mig Welding Torch - Changzhou Inwelt

MB401D Water-Cooled MIG Welding Torch | Heavy-Duty 400Amp Performance

Elevate your high-amperage welding to professional standards with the MB401D Water-Cooled MIG Welding Torch. Engineered for relentless performance in industrial environments, this torch is built to handle extreme heat and continuous operation that would overwhelm air-cooled models. Perfect for stainless steel, aluminum, and heavy steel fabrication, the MB401D delivers superior arc stability, drastically reduced operator fatigue, and exceptional comfort for extended weld cycles. If your work demands power, precision, and durability, this is the torch designed for you.

Unleash Unmatched Performance with Water Cooling

Why choose water-cooling? When you're welding at high amperages (above 300A) for prolonged periods, heat buildup is the enemy. The MB401D's integrated water-cooling system circulates coolant to directly absorb heat from the torch neck, cable, and handle.

Conquer Higher Amperage with Ease

The water-cooling system allows the MB401D to operate comfortably at its full 400-amp capacity, making it ideal for welding thick materials and performing long, continuous welds without overheating.

Experience Unbeatable Comfort

By actively managing heat, the torch body and handle remain remarkably cool to the touch. This eliminates the discomfort of a hot handle, allowing for longer, more productive welding sessions with significantly less fatigue.

Achieve Superior Arc Quality

A cooler torch maintains more stable electrical characteristics and reduces resistance. This translates to a smoother, more stable arc, less spatter, and overall higher quality welds, especially on critical applications with stainless steel and aluminum.

Key Features of the MB401D Water-Cooled MIG Gun

Robust 400-Amp Capacity

Built for the most demanding tasks. The heavy-duty construction and high-quality materials are rated for a true 400 amps, ensuring reliability when you need it most.

Durable & Flexible Water-Cooled Cable

The cable is specifically designed for water cooling, featuring an internal pathway for coolant. It remains flexible for easy maneuverability while being incredibly durable against wear and abrasion in tough shop conditions.

Ergonomic Handle for Maximum Control

Designed with the professional welder in mind. The lightweight and ergonomic handle provides a secure, comfortable grip, offering excellent balance and control for precise weld bead placement.

360-Degree Rotatable Neck

Access tight, complex joints with ease. The forged brass neck can be rotated a full 360 degrees and locked into any position, providing unparalleled flexibility and making challenging welds straightforward.

Premium Brass Consumables

Includes high-quality brass contact tips and a gas diffuser for excellent electrical conductivity, minimal spatter buildup, and consistent performance. This ensures optimal heat transfer and a stable arc.

Detailed Technical Specifications

Overview & Ratings

• Model: MB401D

• Type: MIG Welding Torch (Gun)

• Cooling Method: Water-Cooled

• Duty Cycle: 100% at 400A (When used with a compatible water cooler)

• Rating: 400 Amps

• Connector Type: Euro Connector (Standard for most industrial MIG welders)

  
  

Physical Dimensions

• Cable Length: Standard 3.5m (11.5ft) [Note: Confirm actual length]

• Handle Material: Heat-Resistant, Ergonomic Design

• Net Weight: Approximately 1.5 kg (3.3 lbs) [Note: Confirm actual weight]

Ideal Applications & Compatibility

What is this Torch Best Used For?

The MB401D excels in high-production environments and on specific materials:

• Industrial Fabrication: Shipbuilding, structural steel, and heavy machinery manufacturing.

• Stainless Steel Welding: Delivers clean, discoloration-free results on TIG-like settings.

• Aluminum Welding: Perfect for high-amperage aluminum work with a spool gun or push-pull system.

• Extended Production Runs: Designed for continuous use on assembly lines and in fabrication shops.

Compatibility Guide

• Welder Compatibility: The Euro-connector makes it compatible with most modern industrial MIG/MAG welders from brands like Kemppi, Lincoln Electric, ESAB, Fronius, and Miller.

• Cooling Unit Requirement: This torch requires a separate water cooler unit to function. It is not a standalone product. Please ensure you have a compatible cooling system like the Inwelt PWC60 Water Cooler.

  
  

Why Choose the Inwelt MB401D Torch?

Inwelt is committed to providing professional-grade welding equipment that offers exceptional value. The MB401D is a testament to that commitment:

• Industrial-Grade Durability: Constructed with premium materials to withstand the rigors of daily professional use.

• Performance-Driven Design: Every feature, from the water cooling to the rotatable neck, is engineered to solve real welding challenges.

• Exceptional Value: Get industrial-level performance without the premium brand price tag, reducing your operational costs.

Air-cooled welding torches feature a reduced-weight cable assembly, Unique ergonomics that provide a greater sense of control, the trigger position, trigger design, and ball joint construction guarantee optimum balance and comfort in all welding positions.

MB401D spare parts: long service life, more economical for welders.

Robust and ergonomic handle.

Optimum trigger position and tapered handle design for precise, predictable operation.

Unique internal for air-cooled torches to ensure cooler grip with maximum mechanical strength.

Technical Data:                                            

Our Catalog:

INWELT MIG WELDING TORCH.pdf

Frequently Asked Questions (FAQ)

What is included in the box?

The package typically includes the MB401D torch itself. Consumables (nozzle, contact tip, diffuser) may be included—please check the product listing for exact contents. Note: A water cooler is not included.

Can I use this without a water cooler?

No. A water cooler is an essential component. Operating this torch without a circulating coolant system will cause immediate overheating and permanent damage.

Is this torch good for aluminum welding?

Yes, it is excellent for high-amperage aluminum welding. For best results, it should be paired with a spool gun or a push-pull wire feed system to avoid feeding issues with soft aluminum wire.

How do I maintain a water-cooled torch?

Regular maintenance is crucial:

1. Use a recommended coolant mixture to prevent algae growth and corrosion.

2. Periodically check and clean the water filter in your cooler unit.

3. Inspect hoses for leaks or cracks.

4. Replace consumables as they wear to maintain peak performance.

Ready to Upgrade Your Welding Setup?

Invest in the tool that empowers you to work longer, weld better, and tackle the most challenging projects with confidence. The Inwelt MB401D Water-Cooled MIG Torch is the professional's choice for unmatched performance and comfort.