MIG-500SCR
MIG-500SCR is a transformer-based thyristor SCR semi-automatic wire feed welder with three-phase 380V input, separate wire feeder configuration, deeper penetration, and higher power for heavy fabrication, steel structures, machinery, and demanding industrial welding environments.
The mid-to-high output MIG-SCR series is positioned as heavier transformer equipment with thyristor control, deeper penetration, higher power, and finer adjustment for thick-section production welding.
MIG-500SCR Technical Specifications
Core electrical data, structure classification, and heavy-duty working range for the MIG-500SCR SCR transformer semi-automatic wire feed welding machine.
Higher SCR output for thick-section fabrication, heavy structures, and longer production duty demands.
MIG-500SCR is positioned above the 350 class for heavier carbon steel and alloy steel welding where refined control, harsh-environment reliability, and a separate wire feeder layout support larger and thicker welded assemblies.
SCR transformer construction for higher power and deeper weld penetration
The MIG-SCR series belongs to the heavier transformer category, using thyristor SCR control to provide high power, deep penetration, and more refined current and voltage adjustment than lighter switch-based transformer models.
Industrial anti-interference protection for high temperature and dusty conditions
The machine is described as an industrial-grade welder with anti-interference protection technology intended to maintain stable work in harsher operating environments.
Main contactor automatically disconnects after 3 minutes of idle time
After the torch micro-switch is released and the machine remains unused for three minutes, the main contactor automatically disconnects to reduce unnecessary energy consumption.
Automatic decay of wire feed and arc voltage helps finish thicker welds
Crater fill functionality gradually decays wire feed and arc voltage after thick-wire welding, helping fill the end crater and improve finish quality on heavier sections.
Modular and contactless switching design reduces component count
The circuitry uses modular and contactless switching with reduced electronic component count and a compact board layout intended to improve reliability in industrial service.
Standardized product positioning
- Model: MIG-500SCR
- Type: SCR transformer semi-automatic wire feed welding machine
- Configuration: separate body
- Input voltage: 380V ±10% three-phase
- Wire diameter: 1.2-1.6 mm
Separate layout supports larger fabrication zones
- Integrated body: the torch connects directly to the welding machine for easier operation.
- Separate body: the torch connects to the wire feeder, and the feeder connects to the welding machine through an 8-10 meter cable.
- This MIG-500SCR model uses the separate configuration.
- Separate systems are especially practical for large frames, truck bodies, and similar large structures.
Designed for heavy steel fabrication and industrial structure welding
- Low carbon steel and alloy steel welding
- Steel structures, machinery, and hardware fabrication
- Shipbuilding and heavier workshop production tasks
- Gas-shielded and flux-cored wire feed processes depending on setup
Transformer SCR positioning emphasizes durability over light weight
- Heavy transformer machine body
- Minimal electronics compared with inverter platforms
- High reliability and long-service positioning
- Suited to heavier plate welding where power and penetration matter
Select compact pulse, advanced industrial pulse, or transformer and SCR MIG platforms by output, cooling, and working reach.
The MIG family in this catalog spans portable synergic models, higher-output pulse systems, water-cooled production units, silicon-carbide industrial power sources, and conventional transformer or SCR machines for routine fabrication through heavy structural welding.
Portable pulse and multi-process machines for workshop work, repair, and lighter fabrication
- MIG-160 and MIG-230 support compact pulse MIG work for thinner materials and general shop use.
- MIG 250ST adds MIG and MMA capability with wide 1/2/3-phase input flexibility for changing site power conditions.
- These models are a practical fit when mobility, easier setup, and moderate current demand matter most.
Separate-feeder, SiC, air-cooled, and water-cooled machines for production welding and multi-material control
- MIG-280, MIG-280X, MIG-350X, and MIG-500X cover high-speed pulse MIG with separate-feeder industrial layouts.
- MIG-350W and MIG-500W add integrated water cooling for longer high-amperage operation.
- MIG-400SiC and MIG-500SiC focus on higher real-output industrial performance with compact silicon-carbide power design.
Conventional wire-feed systems for routine fabrication, thicker plate work, and durable production environments
- MIG-250T and MIG-350T serve general semi-automatic welding with transformer-based construction.
- MIG-350SCR, MIG-500SCR, and MIG-630SCR extend the range for heavier plate welding and higher-current duty.
- Choose these models when simple structure, long-service durability, and conventional heavy fabrication positioning are priorities.
Verify package scope and application suitability before order confirmation.
Published specifications, standard delivery scope, and accessory ratings are for reference only and may change without notice. Included torch assemblies, wire feeders, interconnection cables, work return cables, regulators, water-cooling units, plugs, and other accessories may vary by model, package, and destination market. Before supply, confirm the required welding process, input power, output current, duty cycle, cable or torch length, and applicable local compliance requirements for the intended application.