Sealey POWERMIG300i 300A Professional Gas/Gasless MIG/MMA/TIG Inverter Welder 415V 3ph

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Product ID: sealey_POWERMIG300i

Barcode: 5054630529375

Manufacturer: Sealey

Warranty: Click here for info

All Sealey products are covered by a minimum 1 year parts and labour guarantee. Hand Tools are covered by a no-quibble lifetime guarantee against manufacturing defects. Guarantees on our Premier Air Tools and Welding Transformers are conditional on completion and return of a simple registration guarantee card.

Lifetime Guarantee on Hand Tools Lifetime replacement warranty on all of our hand tool ranges. No quibble guarantee also covers individual items within sets. Excludes TRX-Star* T40 bits, breaker bar knuckles, drill bits, blades and engineering taps and dies.

5 Year Guarantee on All-Steel Vices 5-Year replacement parts warranty conditional on registering your purchase with us on a Guarantee Card. 2-Year on Economy versions.

3 Year Guarantee on Welding Transformers 3-Year parts and labour warranty on main power transformer of Arc, MIG and Spot Welders plus Plasma Cutters. Comprises 1-Year unconditional parts and labour warranty, followed by a further 2-Year parts and labour conditional on registering your purchase with us on a Guarantee Card.

2 Year Guarantee on Premier Viking 2-Year parts and labour warranty on our Premier Viking range of Jacking and Lifting equipment.

2 Year Guarantee on Premier Air Tools 2-Year parts and labour warranty. Comprises 1-Year unconditional parts and labour warranty followed by a further 1-Year parts and labour, conditional on registering your purchase with us on a Guarantee Card.

List Price: £1,499.95 1,799.94 inc VAT)

Web Price: 1,324.96 ex VAT) £1,589.95 (inc VAT)

1589.95 2025-06-30
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Sealey POWERMIG300i 300A Professional Gas/Gasless MIG/MMA/TIG Inverter Welder 415V 3ph

Multi process IGBT inverter Gas/Gasless MIG/TIG/MMA welder suitable for professional fabricators and workshops, as well as mechanics and technicians. Maximum output of 300A making it ideal for welding a large variety of metals including Steel, Stainless Steel, Aluminium up to 12mm. 2T/4T torch trigger function allowing greater precision during longer welds. Easy to read digital amp and volumeter display. Features short circuit, over-heating and over-current protection. Large rear wheels with low gas cylinder tray for ease of loading and maximum stability. Supplied with 2m power cable, 2m earth clamp, 3m Mig torch and 2m Electrode holder.

  • Multi process IGBT inverter Gas/Gasless MIG/TIG/MMA welder suitable for professional fabricators and workshops, as well as mechanics and technicians.
  • Maximum output of 300A making it ideal for welding a large variety of metals including Steel, Stainless Steel, Aluminium up to 12mm.
  • 2T/4T torch trigger function allowing greater precision during longer welds.
  • Easy to read digital amp and volumeter display.
  • Features short circuit, over-heating and over-current protection.
  • Large rear wheels with low gas cylinder tray for ease of loading and maximum stability.
  • Supplied with 2m power cable, 2m earth clamp, 3m Mig torch and 2m Electrode holder.
  • Wire capacity of 5-15kg with a diameter of 0.6mm to 1.2mm.
  • Electrode capacity from 1.6mm to 5mm.
  • Duty Cycle: MIG 40% @ 300A, MMA 40% @ 270A, TIG 40% @ 270A.
  • 3 Year Guarantee*.
  • Model No. POWERMIG300i

Technical Specifications

  • Model No POWERMIG300i
  • Brand: Sealey
  • Nett Weight: 31.5kg
  • Welding Current: 20A-300A
  • Duty Cycle MIG: 40% @ 300A 100% @ 190A
  • Duty Cycle TIG: 40% @ 270A 100% @170A
  • Duty Cycle MMA: 40% @ 270A 100% @ 170A
  • Wire Capacity: 5-15kg
  • Electrode Capacity: 1.6-5mm
  • Gas Type: CO2, Argon, CO2/Argon Mix
  • MIG Torch (Inc): 3m Euro Non-Live Torch
  • Supply: 415V 3ph
  • Plug Type: Bare Wire
  • Power Supply Cable Length: 2m
  • IP Rating: IP21S
  • Weight: 31.5kg
  • Absorbed Power: 8.96kW

Weight: 42.5kg

Warranty: 3 years

Case Quantity: 0

Barcode: 5054630529375

Model Number: POWERMIG300i

Instructions for the Sealey POWERMIG300i 300A Professional Gas/Gasless MIG/MMA/TIG Inverter Welder 415V 3ph

Parts Diagram(s) for the Sealey POWERMIG300i 300A Professional Gas/Gasless MIG/MMA/TIG Inverter Welder 415V 3ph

Brand: Sealey

Identifier: POWERMIG300i


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Warranty Information

All Sealey products are covered by a minimum 1 year parts and labour guarantee. Hand Tools are covered by a no-quibble lifetime guarantee against manufacturing defects. Guarantees on our Premier Air Tools and Welding Transformers are conditional on completion and return of a simple registration guarantee card.

Lifetime Guarantee on Hand Tools Lifetime replacement warranty on all of our hand tool ranges. No quibble guarantee also covers individual items within sets. Excludes TRX-Star* T40 bits, breaker bar knuckles, drill bits, blades and engineering taps and dies.

5 Year Guarantee on All-Steel Vices 5-Year replacement parts warranty conditional on registering your purchase with us on a Guarantee Card. 2-Year on Economy versions.

3 Year Guarantee on Welding Transformers 3-Year parts and labour warranty on main power transformer of Arc, MIG and Spot Welders plus Plasma Cutters. Comprises 1-Year unconditional parts and labour warranty, followed by a further 2-Year parts and labour conditional on registering your purchase with us on a Guarantee Card.

2 Year Guarantee on Premier Viking 2-Year parts and labour warranty on our Premier Viking range of Jacking and Lifting equipment.

2 Year Guarantee on Premier Air Tools 2-Year parts and labour warranty. Comprises 1-Year unconditional parts and labour warranty followed by a further 1-Year parts and labour, conditional on registering your purchase with us on a Guarantee Card.