Industrial 400A MIG MAG Welding Machine with Separated Wire Feeder Description:
The industrial 400A MIG MAG welding machine with a separate wire feeder is designed for heavy-duty welding applications in manufacturing and construction. The separate wire feeder MIG MAG welder allows flexible operation and stable wire feeding, making it suitable for long-distance welding and large workpieces.

With a 400A high-output current, this industrial MIG MAG welding machine provides strong arc performance and deep penetration for welding carbon steel, stainless steel, and other metal materials. It is widely used in steel structure fabrication, shipbuilding, machinery manufacturing, and industrial workshops. The machine offers stable performance, easy operation, and reliable welding quality for continuous industrial use.
After -sales service:
1. One-year warranty from the B/L date for official orders.
2. Some Guaranty parts will be sent together with the official shipment.
If the parts of the welding machine have problems within the guarantee period, we will send parts by Express at our cost.
If there is a problem with the machine, our engineers will provide the solution with a photo or video in time.
If it still fails to fix, we will send a new machine together with your next official order.
3. If necessary, we can train 1-2 of your service men for 1-2 weeks in China. The cost in China is borne by us.
FNBC400/FNBC500 400A MIG MAG Welding Machine specification:
| Model | FNBC400 | FNBC500 |
| Power Supply Voltage | 3*400V 50/60Hz | 3*400V 50/60Hz |
| Rated Input Current (A) | 28A | 42A |
| Rated Input power | 20KVA | 29KVA |
| Voltage Steps | 21 | 30 |
| Output Current Range | 100-400A | 120-500A |
| Rated Duty Cycle | 60% | 60% |
| Net Weight | 145kg | 165kg |
| Machine Dimensions L*W*H(mm) | 680*440*770mm | 680*440*770mm |
FNBC500 400A MIG MAG Welding Feature:
- Separated wire feeder style MIG/MAG
- Steps Voltage selection
- Stepless wire speed adjustment
- Over-heat protection
- Burn back time adjustment
- Digital display for welding voltage and amps
- Heavy-duty cycle.
About ALANDWELDING:

Founded in 2012, BEIJING ALAND WELDING is a professional manufacturer and global supplier of advanced welding equipment and solutions.
We integrate R&D, manufacturing, and international export, delivering high-performance welding machines designed to make welding more efficient, precise, and reliable.
With a strong focus on technology and product quality, ALAND provides professional welding solutions for industrial users around the world.
Product Portfolio
Our comprehensive product range includes:
Pulse MIG/MAG Welding Machines
AC/DC TIG Welders
MMA (Stick) Welders
Multi-Function Welding Machines
Plasma Cutting Machines
Submerged Arc Welding Equipment
Laser Welding / Cutting / Cleaning Machines
Complete Welding Accessories and Consumables
If you are interested in our products or plan to import a 400A MIG MAG welding and other construction products, please feel free to contact us. Looking forward to long-term cooperation with you.