The Advantages of ODM 3PH 220/380/440V Arc Welders from KeyGree
Our Commitment: Engineering Robustness for Real-World Demands
As a dedicated manufacturer with deep expertise in welding technology, our mission is to build tools that empower professionals. We focus on robust construction, honest specifications, and features that solve practical problems on the job site. Our machines are engineered to endure rigorous daily use, providing consistent, dependable arc performance that welders can trust.
Core Product Advantages: Built for the Professional
The ARC-425K and ARC-500K are designed to excel where it matters most. Here are the key selling points that set them apart:
- True Wide Voltage Compatibility (3PH 220/380/440V):Global job sites often present unpredictable power grids. These machines seamlessly operate across three-phase 220V, 380V, and 440V inputs without requiring complex internal rewiring. This unparalleled flexibility ensures you can work anywhere, reducing downtime and the need for multiple machines.
- Honest, High-Current Output with Excellent Linearity:We believe in transparency. The rated currents are true outputs, not inflated figures. Both models deliver robust amperage at various voltages (see specs below). Crucially, the current control exhibits excellent linearity, meaning the digital display matches the real welding arc current at every setting. What you set is precisely what you get, enabling unmatched accuracy and repeatability for critical welds, including the fast-freeze characteristics of 6010 electrodes.
- Enhanced Safety & Operator Control:
VRD (Voltage Reduction Device) with Indicator: Incorporates a VRD switch and a dedicated LED light (ARC-425K) for safe operation in high-risk environments, significantly reducing open-circuit voltage when not welding.
Anti-Stick & Hot Start: Built-in functions prevent the electrode from sticking to the workpiece and provide a powerful initial arc ignition for easier starts, especially in difficult positions.
Adjustable Arc Force/Thrust: Gives welders precise control over the arc characteristic—from soft for delicate work to forceful for deep penetration—optimizing performance for different rods and positions.
- Dual MMA & Lift TIG Capability:Both units are versatile. Switch effortlessly from Stick welding to Lift TIG for finer, cleaner welds on stainless steel, aluminum, and other metals, making them a valuable multi-process asset.
- Rugged, Practical Design:Featuring heavy-duty rubber feet for stability and vibration isolation, along with robust casings designed to withstand harsh industrial environments.
ARC-425K
- Input Voltage:3-Phase 220V / 380V / 440V
- True Output Current:
- @220V: 300A
-
@380V/440V: ≥400A
- Duty Cycle:~100% @300A; 40% @400A
- Key Features:Dedicated MMA/LIFT TIG button, built-in Hot Start/Anti-Stick, adjustable Arc Force, VRD switch with LED indicator. The digital display shows real-time true welding current.
ARC-500K
- Input Voltage: 3-Phase 220V / 380V / 440V
- True Output Current:
- @220V: 400A
-
@380V/440V: 500A
- Duty Cycle: 40% @500A (at 380V/440V)
- Key Features: Rotary switches for MMA/LIFT TIG, Anti-Stick, Hot Start/Arc Force adjustment, VRD, and Local/Remote control. Designed for high-amperage applications requiring sustained power.
The ARC-425K and ARC-500K are not just welders; they are professional-grade power solutions engineered for reality. By combining honest high-amperage output, exceptional linearity, true global voltage compatibility, and essential operator safety features, they deliver the reliability, precision, and versatility that serious professionals demand.
Choose the ARC series for uncompromising performance. Contact us or your local distributor today to specify the machine that powers your projects to success.
KeyGree Group Co., Ltd. is a wholly foreign-owned enterprise invested by British in 2009:
· Established: Founded in 2009 (UK investment).
· Scale & Capacity: 80,000m²+ facility producing 700,000+ welding units annually.
· Quality Assurance: Certified to CCC, CE, ISO9001:2015.
· Full-Spectrum Expertise: Vertically integrated from R&D and component manufacturing (transformers, heat sinks, PCBs) to final assembly of machines, torches, and laser systems.
· Complete Solutions: Offering both INDUSTRIAL-grade and household welding equipment lines.
Contact us
Schedule an On-Site Demo : Contact our engineering team to arrange verification testing
Tel: +86 18058395375
Email: info@keygree.com