Unimig MIG/TIG/Stick Welder | RazorTM 250 ...
Unimig - MIG/TIG/Stick Welder | RazorTM 250
KUMJRRW250MIG Unimig RazorTM 250 MIG/TIG/Stick Welder
KUMJRRW250MIG Unimig RazorTM 250 MIG/TIG/Stick Welder
Looking for portability and performance? The RAZOR™ 250 is the perfect match for welders needing powerful performance both in the workshop and on their worksite. With a spool gun connection – and a geared wire drive – the RAZOR™ 250 is a must-have for the serious welder.
- Single Phase
- 240V Power
- Large Wire Spool Capacity
- Fits 200mm & 300mm Wire Spools
- Spool Gun Ready
- For softer wires such as Aluminium
- Geared Wire Drive
- For smoother wire feeding
- This machine features a geared roller drive unit providing consistent and smooth wire feed. This also assists with using longer MIG Torches.
- For smoother wire feeding
- Multi Process Welding
- This three in one machine lets you perform MIG TIG and STICK welding all on one machine. There is also support for both gas shielded MIG and gasless MIG wire. There is no need to swap between machines saving you time and setup.
The RAZOR MIG 250 is a powerful multi-process welder offering MIG TIG and STICK welding functions whilst still being a portable machine. This makes the RAZOR MIG 250 ideal for welders needing powerful performance both in the workshop and site work. With a Spool Gun connection and the ability to run all MIG Wire spool sizes the RAZOR MIG 250 is a must-have for every serious welder.
Features
- 240V Single Phase
- MIG with Gas and Gasless function
- DC Lift Arc TIG
- STICK (MMA)
- Thermal overload protection
- IP21S rating for environmental/safety protection
- Geared Wire Drive
- VRD (Voltage Reduction Device)
- Spool Gun Ready
Technical Data
| SKU | KUMJRRW250MIG |
| PRIMARY INPUT VOLTAGE | 240V Single Phase |
| SUPPLY PLUG | Single Phase (32 AMP Recommended) or 15 AMP |
| RATED INPUT POWER (kVA) | 11 |
| Ieff (A) | 28 |
| Imax (A) | 51 |
| RATED OUTPUT | 30A/15.5V - 250A/26.5V |
| NO LOAD VOLTAGE (V) | 54 |
| PROTECTION CLASS | IP21S |
| INSULATION CLASS | F |
| POWER FACTOR | 0.72 |
| MINIMUM GENERATOR (kVA) | 13 |
| DINSE CONNECTOR | 35/50 |
| STANDARD | AS/NZ60974-1 |
| WELDS | Mild Steel Stainless Steel Cast Iron Silicon Bronze Aluminium Copper |
| WARRANTY (Years) | 3 |
Mig Specifications
| MIG WELDING CURRENT RANGE | 30-250A |
| MIG DUTY CYCLE @ 40°C | 30% @ 250A |
| MIG WIRE SIZE RANGE | 0.6-1.2mm |
| MIG WIRE SPOOL SIZE | 1kg / 5kg |
| MIG WELDING THICKNESS RANGE | 2mm - 12mm |
| DRIVE ROLLER SIZE | 30/22 |
Tig Specifications
| TIG FUNCTION TYPE | DC Lift Arc |
| TIG WELDING CURRENT RANGE | 10-250A |
| TIG DUTY CYCLE @ 40°C | 30% @ 250A |
| TIG WELDING THICKNESS RANGE | 1mm - 6mm |
Stick Specifications
| STICK WELDING CURRENT RANGE | 10-250A |
| STICK DUTY CYCLE @ 40°C | 30% @ 250A |
| STICK ELECTRODE RANGE | 2.5-4.0mm |
| STICK WELDING THICKNESS RANGE | 2mm - 12mm |
Size & Weight
| DIMENSIONS (mm) | 585x280x440mm |
| WEIGHT (kg) | 30kg |
Machine Features
| WIRE DRIVE | Geared |
| VRD | Yes |
| SPOOL GUN CONNECTION | Yes |
| BURNBACK ADJUSTMENT | Yes |
| WIRE INCH | Yes |
| INDUCTANCE CONTROL | Yes |
| THERMAL OVERLOAD PROTECTION | Over Temperature Warning |
Machine Package: KUMJRRW250MIG
- RAZOR MIG 250 Power Source
- 4m SB24 Sure Grip MIG Torch (including consumables)
- 4m Twist Lock Electrode Holder
- 300 Amp Earth Clamp & Lead
- Twin Gauge Argon Regulator
- 2m Gas Hose Complete with fittings
- Operating Manual
To contact Collins Tools and Welding Supplies about Unimig MIG/TIG/Stick Welder | RazorTM 250 use Get a quote.
KUMJRRW250MIG Unimig RazorTM 250 MIG/TIG/Stick Welder
Looking for portability and performance? The RAZOR™ 250 is the perfect match for welders needing powerful performance both in the workshop and on their worksite. With a spool gun connection – and a geared wire drive – the RAZOR™ 250 is a must-have for the serious welder.
- Single Phase
- 240V Power
- Large Wire Spool Capacity
- Fits 200mm & 300mm Wire Spools
- Spool Gun Ready
- For softer wires such as Aluminium
- Geared Wire Drive
- For smoother wire feeding
- This machine features a geared roller drive unit providing consistent and smooth wire feed. This also assists with using longer MIG Torches.
- For smoother wire feeding
- Multi Process Welding
- This three in one machine lets you perform MIG TIG and STICK welding all on one machine. There is also support for both gas shielded MIG and gasless MIG wire. There is no need to swap between machines saving you time and setup.
The RAZOR MIG 250 is a powerful multi-process welder offering MIG TIG and STICK welding functions whilst still being a portable machine. This makes the RAZOR MIG 250 ideal for welders needing powerful performance both in the workshop and site work. With a Spool Gun connection and the ability to run all MIG Wire spool sizes the RAZOR MIG 250 is a must-have for every serious welder.
Features
- 240V Single Phase
- MIG with Gas and Gasless function
- DC Lift Arc TIG
- STICK (MMA)
- Thermal overload protection
- IP21S rating for environmental/safety protection
- Geared Wire Drive
- VRD (Voltage Reduction Device)
- Spool Gun Ready
Technical Data
| SKU | KUMJRRW250MIG |
| PRIMARY INPUT VOLTAGE | 240V Single Phase |
| SUPPLY PLUG | Single Phase (32 AMP Recommended) or 15 AMP |
| RATED INPUT POWER (kVA) | 11 |
| Ieff (A) | 28 |
| Imax (A) | 51 |
| RATED OUTPUT | 30A/15.5V - 250A/26.5V |
| NO LOAD VOLTAGE (V) | 54 |
| PROTECTION CLASS | IP21S |
| INSULATION CLASS | F |
| POWER FACTOR | 0.72 |
| MINIMUM GENERATOR (kVA) | 13 |
| DINSE CONNECTOR | 35/50 |
| STANDARD | AS/NZ60974-1 |
| WELDS | Mild Steel Stainless Steel Cast Iron Silicon Bronze Aluminium Copper |
| WARRANTY (Years) | 3 |
Mig Specifications
| MIG WELDING CURRENT RANGE | 30-250A |
| MIG DUTY CYCLE @ 40°C | 30% @ 250A |
| MIG WIRE SIZE RANGE | 0.6-1.2mm |
| MIG WIRE SPOOL SIZE | 1kg / 5kg |
| MIG WELDING THICKNESS RANGE | 2mm - 12mm |
| DRIVE ROLLER SIZE | 30/22 |
Tig Specifications
| TIG FUNCTION TYPE | DC Lift Arc |
| TIG WELDING CURRENT RANGE | 10-250A |
| TIG DUTY CYCLE @ 40°C | 30% @ 250A |
| TIG WELDING THICKNESS RANGE | 1mm - 6mm |
Stick Specifications
| STICK WELDING CURRENT RANGE | 10-250A |
| STICK DUTY CYCLE @ 40°C | 30% @ 250A |
| STICK ELECTRODE RANGE | 2.5-4.0mm |
| STICK WELDING THICKNESS RANGE | 2mm - 12mm |
Size & Weight
| DIMENSIONS (mm) | 585x280x440mm |
| WEIGHT (kg) | 30kg |
Machine Features
| WIRE DRIVE | Geared |
| VRD | Yes |
| SPOOL GUN CONNECTION | Yes |
| BURNBACK ADJUSTMENT | Yes |
| WIRE INCH | Yes |
| INDUCTANCE CONTROL | Yes |
| THERMAL OVERLOAD PROTECTION | Over Temperature Warning |
Machine Package: KUMJRRW250MIG
- RAZOR MIG 250 Power Source
- 4m SB24 Sure Grip MIG Torch (including consumables)
- 4m Twist Lock Electrode Holder
- 300 Amp Earth Clamp & Lead
- Twin Gauge Argon Regulator
- 2m Gas Hose Complete with fittings
- Operating Manual
To contact Collins Tools and Welding Supplies about Unimig MIG/TIG/Stick Welder | RazorTM 250 use Get a quote.
The Unimig Razor 250 is a portable, 240 V single-phase machine for MIG, TIG and stick welding, with gas and gasless MIG options. Its geared wire drive feeds wire smoothly and supports using longer MIG torches. Workshop and site welders can use it on mild steel, stainless steel, cast iron, silicon bronze, aluminium and copper.
- VRD and thermal overload protection
- Maximum welding output: 250 A
- MIG wire diameter range: 0.6–1.2 mm
- Spool-gun connection; accepts 1 kg and 5 kg wire spools
- 3-year warranty
Source: listing by Collins Tools and Welding Supplies on IndustrySearch · Updated 4 Nov 2026
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Written by AI from the listing by Collins Tools and Welding Supplies on IndustrySearch. It is meant to use only what that listing says, but it can still get details wrong, so check them with the supplier before you buy.
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