Description
- 12 month warranty and free to call UK based technical support line
- Auto hot start, anti stick, arc force stabilisation, thermal overload protection, 60% duty cycle
- Scratch start, standard UK 3 pin 13 amp plug, ultra efficient ARC welding
- Comes with lots of accessories – earth clamp, clipping hammer, wire brush, mask
- For experienced and DIY users alike with it’s intuitive design
Technical Details
| Manufacturer | Röhr |
|---|---|
| Product Dimensions | 39 x 12.5 x 24 cm; 5.5 Kilograms |
| Colour | Orange / Black |
| Material | Stainless Steel |
| Voltage | 240 Volts |
| Amperage Capacity | 250 Amps |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 5.5 kg |
Product Description
The MMA-250FI Gives you Röhr Quality
Exceed your Expectations
Röhr welders are built to last with high quality components that will ensure reliability for occasional or regular users. This welder uses the latest inverter technologies to dramatically reduce overall footprint. Inverters dramatically reduce the power required to weld by increasing efficiency by 30% and they produce a consistent power supply giving you the most stable welding arc. IGBT monotubing significantly increases efficiency compared to normal MOS tubing.
Perfect for a Wide Variety of Welding
This welding machine is multi-use so you can weld stainless steel, carbon steel, copper, alloys and other coloured metals.
Specifications
- Runs off a Standard UK Plug 240V AC
- Input Current 43a / Output Current 20a – 250a
- Duty Cycle 60%
- Transfer Efficiency over 85%
- Frequency 50Hz – 60Hz
- Power Factor 0.73, No-load Voltage 56V
- Insulation Grade F / Housing Protection Grade IP21
- Suitable for 1.0mm – 4.0mm Electrodes
The Latest IGBT Technology
IGBT is a bipolar transistor with an insulated gate electrode. This semi-conducting device is being increasingly used in power electronics because it combines the advantages of two transistor types: the easy controls of the field effect transistor and the fast switching and high breakdown voltage of the bipolar transistor. The IGBT also offers some robustness against short circuits because it limits the electrical continuity.
Featuring ARC Force and Hot Start
With ARC Force, the current increases automatically when the arc is shorter. Hot Start automatically boosts the tension at the ignition of the arc, this function facilitates the electrical arc ignition. After ignition, the unit automatically returns to the pre-set voltage.
MMA Arc Welding
MMA is electrode welding with a coated electrode.
Anti-Stick
This function helps to prevent overheating of the electrode by switching off the welding current when the electrode sticks to the material.
Stick Weld Clamp 2m
Earthing Clamp 2m
Other Parts and Accessories
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| Röhr MMA-160FI Welder | Röhr MMA-200FI Welder | Röhr MMA-250FI Welder | Röhr HP-250PP Welder | Röhr WSME-200 Welder | Röhr WSME-250 | |
| Type | ARC Welder | ARC Welder | ARC Welder | TIG / ARC Welder | “4-in-1” Combo Welder | “4-in-1” Combo Welder |
| Output Current (A) | 20 – 160 | 20 – 200 | 20 – 250 | 20 – 250 | 20 – 200 | 5 – 250 |
| Power Input | UK 3 Pin Plug | UK 3 Pin Plug | UK 3 Pin Plug | UK 3 Pin Plug | UK 3 Pin Plug | UK 3 Pin Plug |
| Collets | 2.0mm, 2.4mm, 3.2mm | 2.0mm, 2.4mm, 3.2mm | 2.0mm, 2.4mm, 3.2mm | |||
| Duty Cycle (%) | 60 | 60 | 60 | 60 | 60 | 60 |
| ARC Function | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
| TIG Function | ✓ | ✓ | ✓ | |||
| Dual AC / DC | ✓ | ✓ | ||||
| Variable Sine Wave | ✓ | ✓ | ||||
| 2T / 4T Modes | ✓ | ✓ |
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