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PROMIG-500XP Heavy Industrial High Speed Pulse MIG Welder
PROMIG-500XP Heavy Industrial High Speed Pulse MIG WelderPROMIG-500XP Heavy Industrial High Speed Pulse MIG WelderPROMIG-500XP Heavy Industrial High Speed Pulse MIG WelderPROMIG-500XP Heavy Industrial High Speed Pulse MIG WelderPROMIG-500XP Heavy Industrial High Speed Pulse MIG WelderPROMIG-500XP Heavy Industrial High Speed Pulse MIG Welder

PROMIG-500XP Heavy Industrial High Speed Pulse MIG Welder

The PROMIG 500XP is designed for heavy industrial, 500A@100% duty cycle.
CategoriesMIG Welders
BrandTOPWELL
ModelPROMIG-500XP
Input Voltage3PH ~ 400V ±15%
Rated Output(40℃) 100%MIG: 500A/39V
FeaturesHigh Speed Pulse, Ultra Low Spatters, Hybrid Pulse
FOB portningbo/shagnhai
Terms of PaymentWestern Union, T/T
DownloadDownload pdf
Update TimeAug 17,2025
Detail Information
DETAILS
High Speed Pulse MIG Welding
PROMIG 500XP
Synergy Control
Improved Operation Process & Controls
High Speed Pulse (HSP)
High-Speed Double Pulse (HDP)
High-Speed Spray Arc (HSA)
Micro Double Process (MDP)
Ultra Low Spatter (ULS)
Ultra Concentrated Arc(UCA )
Hybrid Pulse Control (HPC)
High Speed Spot (HSS)
symbol description
Easy to use
Simple Operation
3 Steps to achieve weld perfection
1. Select operation mode
2. Select Processes-list No.
3. Adjust welding current
(always the perfect setting by the synergic function using the material thickness)
HPC
Feature
HPC
Process-list

To start welding, users can simply and quickly select a process No. according to any particular welding needs (based on material, process, gas, wire). A wide range of welding processes with perfect waves have been embedded into the well-displayed Topwell process-list.
Synergy Control

With the default synergy control, Topwell’s system can automatically synchronize the corresponding parameters based on the selected welding process and the adjusted current, which is easy and convenient for use. Users also can set the parameters manually when synergy is off. 
Memory Storage Function

With the powerful storage with great capacity, up to 999 processes/JOBs can be saved in the system for later use. Users can easily re-save or recall previous processes with just one click. Working efficiency are greatly improved with Topwell’s memory funtion. 
HPC
Flexible control mothods
you can regulate the machine everywhere ----- at the power source, at ....
HSS
HSS
Ultra-long Distance Welding with Precise and Stable Arc Control
Reliable and Durable Intermediate Cable Kit
The Intermediate cable kit (7 Pins only) connecting the main machine and the wire feeder is wrapped in thick rubber, which not only meets the needs for efficient communication, allowing for more precise control, but also helps reduce the occurrence of malfunctions.
Reliable and Durable Intermediate Cable Kit
Regardless of working distance and long cable loop (up to 30 meters), the Steelmate Pro series maintains its high stability and performance thanks to the intelligent compensation function.
Ready for Intelligent Fabrication
MES and WeldNET Accessible
PROMIG XP Series is equipped with active user management and assigned NFC keys to set protection and permissions for parameter adjustment. It can also choose to connect to the MES system, which is more suitable for modern production data management.
HSS
HSS
By connecting to Topwell WeldNET, you can pre-control the parameters, monitoring the process at real time, and trace the quality, thanks to the equipment, production, and process management modules. Meanwhile, your productivity and quality are boosted with analytic and statistical tools. It unleashes the potential of your future welding production. 
Robot Welding Accessible
Robot interfaces are inserted via digital port (EtherNetlP, DeviceNet, CAN, CANOPEN, RJ485,etc.) with built-in communication protocols. No additional external communication modules are needed.
Better Aluminum Welding Process
The PROMIG XP Series is an upgraded model and machine that is compatible with more advanced pulse pricesses. Can provide a higher peak current and a larger current defference that is more suitable for aluminum alloy welding, easily triggering a stable arc and cleaning oxides, while generating enough heat to melt the metal and obtain high-quality welds.
Premium push-pull gun

Using the most durable motor and drive design, and installing the wire drawing motor close to the welding position, the wire feeding is smoother and less likely to get blocked, especially in aluminum welding conditions, which improves wire feeding performance and arc stability.

Equipped with LCD screen display and function keys, it can communicate with the power machine to adjust welding procedures and parameters.

Communication between the digital welding torch and machine enables enhanced the synergy welding, as the wire speed increases/decreases, the MIG parameters increase/decrease to match the appropriate power required.
Arc Length control
The precise control of pulse period ensures the stable process of droplet transition, with only one drop of metal shooting out from the tip of the welding wire within a pulse period. Therefore, it will not generate a large amount of spatters, even under high current, reducing cleaning work and improving the appearance of the weld.
Dynamic control
The powerful data accumulation has shaped the perfect pulse waveform of PROMIG 500XP, with multiple welding parameters working together. As the wire speed increases/decreases, the pulse or MIG parameters will also increase/decrease to match the appropriate power required to achieve a more perfect welding curve.
Refined Dip Transfer
• Highly efficient dip transfer arc with refined waveform;
• Suppress the spatter during short-circuit transition;
• Create high-quality seams with increased deposition rate;
• Spatter can be reduced by 20% when welding with CO2;
HSS
HSS
The extension self-adjusting function maintains the stability of the same short arc length, enabling constant and regular short circuits, despite the change in the welding torch position, changing sheet thicknesses, or material misalignment. 

Benefiting from the wire feed control, the penetration stays stable and constant even in spite of the extension fluctuations. 

Advanced Technologies for Higher Efficiency
HSP (High Speed Pulse) - Ultra High Deposition Rate
Specifically designed for demanding workshop use, the deposition rate can increase 25~48 % for various materials, whether used in manufacturing thick materials or sheet metal.
The High-Speed Pulse (HSP) process enables you to save time, money, and energy compared to traditional pulse welding. This process is ready to raise pulse welding to a whole new level!
In general, One pulse melt one droplet, but we increase the submission of these droplets by TOPWELL’s new high speed pulse process. The transition will be faster, narrower HAZ zone and deeper penetration!
HSP
HSP
Get better welding seam
Less heat input, less spatters, less rework.

welding seam
Get higher welding strength
Deeper penetration, no undercut defects, higher strength.

welding strength
HSA (High Speed Spray Arc) - Superior Directional Property
The perfect combination of a highly concentrated and extremely stable arc with high density. HSA delivers deeper penetration, narrower heating zone, allows smaller opening angles for multi-layer welding, significantly improves the welding speed up to 30% faster than conventional MIG-MAG welding. It makes welding more efficient and more economical.
Smaller opening angle
Deeper penetration
More material saving
Higher welding efficiency
HPC (Hybrid Pulse Control) - Excellent in All-position Welding

The secret is the combination of two processes: one is the high energy phase to heat up the material quickly. Topwell's control technology ensures a perfect transition to the rapidly reduced energy phase. It ensures reliable penetration, precisely sized weld filling and a near- optimal throat thickness.Vertical-up welding with Topwell's HPC process is significantly much faster and simpler than classical "X-Mas tree".
HPC Vertical-up Welding Process

MDP (Micro Double Process) - TIG alike Results and Faster
MDP is Micro Double Process, ultra-precise on the synergy Pulse wave-form controlled process-control, freely adjust the weld seam chevrons from coarse to fine. The key is that when the high and low pulses alternate, there is no droplet formation in the low pulse phase. The advantage of MDP are precise energy input, low distortion, perfect TIG-like welding appearance easily produced by anyone, and the welding productivity can up to twice as quick as the conventional TIG. MDP is particularly suitable for thin to medium-walled (1-8mm) Aluminum, Steel, and CrNi applications, like frames, tables, beds, and furniture structures.
MDP
MDP

ULS (Ultra Low Spatters) - Stable and High Efficiency
The ULS process is a modified short-arc transfer arc with perfect waveform setting that greatly reduces spatter generation. In the pinch phrase, there is a special current interruption, the energy is extracted under the program setting, avoiding the explosion caused by the large current, and the surface tension of the molten pool warms the generated droplets. Even in CO2 and MAG welding, it can minimize the spatters, which means less rework, fewer rejects, less cleaning required and savings on wearing parts.

VIDEO
SPECIFICATIONS
Machines
Product Name
ProMIG-500XP
Machines Processes
SMAW
GMAW
FCAW
GMAW-P
GMAW-HSP
Wire Feeder
4-Rollers
Product Weights & Dimensions
Dimensions(L*W*H):Machine
950x460x1080 mm
Dimensions(L*W*H):Wire feeder
710x350x500 mm
Net Weight : Machine
66.5KG
Net Weight : Wire feeder
15KG
Basic Specification
Mains voltage(V)
3PH~400V±15%(50/60Hz)
Max.Load Power Capacity
25.18KVA
Rated Duty cycle at 40℃(105℉): 60%
500A/39V
Rated Duty cycle at 40℃(105℉): 100%
400A/31.5V
Open Circuit Voltage
70V~80V
Power Factor
0.87
Efficiency
89%
Wire feed unit
4 rollers
Wire feed speed rang
~25m/min
Wire Spool Capacity
300mm(15kg)
Wires φ (mm): Fe 
0.8~1.6mm
   Wires φ (mm): Alu
1.0~1.6mm
Wires φ (mm): Flux-cored
0.8~1.6mm

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