Sealey MWH120I Handheld MMA/ARC Inverter Welder 120A

Sealey MWH120I Handheld MMA/ARC Inverter Welder 120A
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Fri 31st Oct 2025

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Product ID: sealey_MWH120I

Barcode: 5054630593932

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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: £99.95 119.94 inc VAT)

Web Price: 78.96 ex VAT) £94.75 (inc VAT)

94.75 2025-11-29
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Sealey MWH120I Handheld MMA/ARC Inverter Welder 120A

Handheld Inverter MMA/ARC Welder is an ultra-compact and lightweight unit weighing just 1.3kg, ideal for use in tight areas where space is at a premium. Adjustable output current ranging from 20-120A, with a swivel knob for precise current control which is visible on a clear LED screen. Unit can ARC/MMA weld rutile electrodes from Ø1.6mm up to Ø3.2mm. Supplied with a 1.5m earth clamp in a compact storage case offering increased portability for the mobile technician. Featuring over current and overheat protection ensuring maximum performance and stability whilst keeping the user protected.

  • Handheld Inverter MMA/ARC Welder is an ultra-compact and lightweight unit weighing just 1.3kg, ideal for use in tight areas where space is at a premium.
  • Adjustable output current ranging from 20-120A, with a swivel knob for precise current control which is visible on a clear LED screen.
  • Unit can ARC/MMA weld rutile electrodes from Ø1.6mm up to Ø3.2mm.
  • Supplied with a 1.5m earth clamp in a compact storage case offering increased portability for the mobile technician.
  • Featuring over current and overheat protection ensuring maximum performance and stability whilst keeping the user protected.
  • Model No. MWH120i

Technical Specifications

  • Model No MWH120I
  • Brand: Sealey
  • Nett Weight: 2.5kg
  • Welding Current: 20-120A
  • Duty Cycle: 15% @ 120A
  • Absorbed Power: 4.8kW
  • Electrode Capacity: Ø1.6-3.2mm
  • Supply: 230V 13A
  • Plug Type: 3-Pin
  • Power Supply Cable Length: 2m
  • IP Rating: IP21
  • Weight: 2.5kg

Weight: 2.9kg

Warranty: 1 year

Case Quantity: 0

Barcode: 5054630593932

Model Number: MWH120I

Instructions for the Sealey MWH120I Handheld MMA/ARC Inverter Welder 120A

Parts Diagram(s) for the Sealey MWH120I Handheld MMA/ARC Inverter Welder 120A

Brand: Sealey

Identifier: MWH120I


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Item Details

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Comes with a full manufacturer warranty (not including consumable products).

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This item is usually delivered within 1 working day(s).

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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.