Best Mig Welder Under 500
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Best Mig Welder Under 500

This series is a professional-grade multi-process welder designed for both workshop precision and on-site durability. Engineered with cutting-edge IGBT inverter technology, this machine delivers a stable arc and deep penetration, ensuring flawless welds on Aluminum, Copper, mild steel and stainless steel.
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Product Introduction

Lewei Pumps Industry Co., Ltd. is one of the leading manufacturers and suppliers of best mig welder under 500 in China, also supports customized service. Please feel free to wholesale advanced best mig welder under 500 for sale here from our factory. Quality products and reasonable price are available.

 

Rolwal MS-400PC & MS-500PC Industrial double pulse MIG/MAG Welding Machines

 

Powerful. Reliable. Built for Heavy-Duty Industrial Performance.

 

The Rolwal MS-400PC & MS-500PC are professional three-phase 380V industrial MIG welding machines engineered for maximum productivity in demanding fabrication environments. Designed with a robust 3-layer structure mounted on a heavy-duty trolley, these machines combine a dedicated upper wire feeder with a powerful lower power source with control unit and water-cooler system - delivering unmatched mobility, stability, and ease of use on the shop floor.

Whether you need high-efficiency MIG, MAG, Synergic MIG, Pulse MIG, Double Pulse MIG or MMA (Stick) welding, the Rolwal MS-Series offers the versatility, power, and precision that professional welders demand.

 

 

Key Features & Benefits.

 

  • Multi-Process Capability Supports MIG/MAG , Pulse MIG, Double Pulse MIG, and MMA welding modes. One machine handles a wide range of welding tasks, from thin sheet metal to thick plate fabrication.
  • High Output & Strong Duty Cycle Delivers a true 400A (MS-400P/400PC) or 500A (MS-500P/500PC) output current with a 60% duty cycle - ideal for continuous heavy industrial welding without frequent downtime.
  • Synergic Control Intelligent one-knob synergic adjustment automatically optimizes voltage and wire feed speed according to material thickness and wire diameter, making setup fast and welding results consistent even for less experienced operators.
  • Industrial-Grade Design • Separate wire feeder on the upper layer for better balance and reach • Heavy-duty trolley with large wheels for easy movement around the workshop • High-efficiency IGBT inverter technology (80% efficiency) • Excellent arc stability and low spatter across all materials
  • Wide Material Compatibility Perfectly suited for:

    Carbon steel / Mild steel

    Low alloy high-strength steel

    Stainless steel (304, 316L, etc.)

    Aluminum & aluminum alloys

   Copper & copper alloys

  • Advanced Protection & Reliability IP21S protection class, Class F insulation, and built-in over-current, over-voltage, and thermal protection ensure safe and reliable operation even in harsh industrial conditions.

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Technical Specifications.

 

Model MS-400P/400PC MS-500P/500PC
Power Voltage AC 380V ±10% AC 380V ±10%
Frequency 50/60Hz 50/60Hz
Output Current MIG-400A / MMA-400A MIG-500A / MMA-500A
Duty Cycle 60% 60%
No-load Voltage 70V 70V
Input Capacity 17KVA 23.5KVA
Output Voltage 34V 39V
Efficiency 80% 80%
Insulation Class Class F Class F
Protection Class IP21S IP21S

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Wide universal industrial application.

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Rolwal quality!

Today,Rolwal equipment is synonymous with many years of experience, continuous development in the field of MIG TIG MMA welders and plasma cutters, as evidenced by thousands of satisfied customers. we will be glad to help you with your choice!

 

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SCOPE OF DELIVERY

 

  • 1x MIG welder DC
  • 1X 24KD or 36KD MIG torch with accessories.
  • 1x ground cable 2m
  • 1x electrode holder 2m
  • 1x instruction manual
  • 1x air hose 5m
  • 1x control cable 5m
  • 1x teflon liner

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Why Choose Rolwal MS-400P/400PC & MS-500P/500PC

 

Increase your welding productivity with higher output and better duty cycle

Reduce operating costs through high efficiency and low spatter

Gain flexibility with true multi-process capability in one rugged machine

Enjoy easy mobility thanks to the professional trolley design

Trust in proven industrial reliability backed by Rolwal's welding expertise

 

Rolwal Industrial – The Standard of Welding

 

From heavy equipment manufacturing and shipbuilding to steel structure fabrication and general industrial maintenance, the Rolwal MS-400P/400PC & MS-500P/500PC deliver the performance professionals rely on day after day.

 

Ready to boost your welding efficiency? Contact us today for more details, pricing, or customization options.

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Honor and qualification
 
 

Official certification, professional after sales service.

 

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product-610-862ISO9001:2015

 

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Contacts:

Every service is a collision of hearts. We care about every detail to make our service warmer. We are always ready for your inquiry.

Our address

First Add: Shanshi industrial zone, daxi town, wenling city, zhejiang province, China

 

Second Add: No.37,chengguang road ,eastern new area, wenling city,taizhou city, zhejiang province,China.

Phone Number

(0086)13566853187(wechat/whatsapp)

E-mail

lw08@rolwal.com/liubimer@gmail.com

20260410131540330263

 

 

 

 

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