UNIMIG RAZOR SWF 350 WELDER
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UNIMIG Razor 350 SWF – Multi-Process Workshop Welder
The UNIMIG Razor 350 SWF is a rugged, high-output inverter welder that delivers full versatility with MIG, TIG, and STICK functionality. Built for workshop environments, it combines industrial-grade performance with smart design features to give you reliable welds and ultimate flexibility.
Key Features & Benefits
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Multi-Process Capability — Weld in MIG/MAG (gas or gasless), DC TIG (lift-arc), or MMA (stick), all with a single machine.
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Separate Wire Feeder — Comes with a detached 4-roller wire feeder unit, giving you up to 10 m of manoeuvrability so you can weld in tight or distant areas without dragging the whole power source.
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Smooth Wire Feed — 4 geared rollers provide consistent and powerful wire drive, ideal for long MIG torches or heavy-gauge applications.
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Push-Pull & Spool Gun Ready — Designed for flexibility: you can attach a spool gun for aluminium welding or use a push-pull gun for smooth wire feed over long runs.
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Advanced Controls — Includes variable inductance, burn-back settings, crater current control, and 2T/4T trigger modes for refined control.
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Digital Display — Clear LED readouts for voltage and amperage at the wire feeder ensure precise setup and monitoring.
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Robust Build — Built on a tough trolley frame with tool storage, making it ideal for busy workshops or production environments.
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Voltage Reduction Device (VRD) — Enhances safety by reducing open-circuit voltage when the machine is idle.
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Thermal Protection — Features overload protection to safeguard internal components under prolonged use.
Specifications
| Parameter | Value |
|---|---|
| Input Voltage | 415 V, 3-phase |
| Output Range | 50 A / 16.5 V → 350 A / 31.5 V (MIG) |
| No-Load Voltage | ~65 V |
| Duty Cycle | 40% @ 350A (as per AS/NZ 60974-1) |
| Protection Class | IP21S |
| Insulation Class | F |
| Drive Type | 4-gear roller wire drive |
| Wire Size (MIG) | 0.6 – 1.2 mm |
| Duty Cycle (TIG/MMA) | 40% @ 350 A |
| Recommended Generator | 20–23 kVA |
| Weight | ~88 kg (power unit + wire feeder) |
| Standards | AS / NZ 60974-1 compliant |
| Warranty | Up to 5 years (depending on supplier) |
Why Choose the Razor 350 SWF?
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Extreme Flexibility: One machine does the job of three — MIG, TIG, AND Stick — reducing your workshop’s footprint.
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Improved Mobility: With a separate wire feeder and long interconnecting cables, you get freedom to weld in awkward spots without lugging the main unit.
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Heavy-Duty Reliability: Built tough for workshop environments, the 4-roller drive and durable trolley design stand up to constant use.
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Ready for Growth: Compatible with spool guns and push-pull systems, so you can expand into more advanced wire welding applications later on.
