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Product Description

Oxford Weldi Arc welding inverters are of a rugged build, high reliability and long life span to give an excellent welding performance. The Oxford Weldi range of hand portable high power Arc welders are ideal for workshop or mobile welding - Go anywhere and weld anything !

Key Features

  • Superior welding performance with fast arc starts & super smooth welding.
  •  High duty cycles to keep you welding all day without stopping.
  •  Generator friendly with built in protection from over & under voltage, over temp, over current, etc.
  • Auto compensation for extension cables up to 100M & unstable or poor mains input supply.
  •  High efficiency design & 12-16W standy power reduces running costs & helps the environment.
  • Rugged case design, with drop tests way exceeding the BS standard.
  •  Only 1 control PCB fitted with protection from damp & dust.
  •  Built using only 2 large iGBT modules to give superior reliability.
  •  Cooling chamber keeps any grinding dust or dirty airflow away from electronic parts.
  • Happy to weld every day or store for years without failure.
  •  Genuine no nonsense industrial machines built to work hard for 25+ years.
  • 2 year warranty on all items, except the main transformer which is 5 years.

Technical Data

Model Input Voltage Amps range Duty cycle @ 35% Rec fuse (D type) Min rec generator Efficiency & idle power OCV - no load Weight approx
Weldi 271 230V 1ph 20-270A 270A 16A/25A 5.5kVA to 3/4 output 84% 12W 70V DC 14kg
Weldi 331 230V 1ph 20-330A 330A 25/32A 7kVA to 3/4 output 84% 12W 70V DC 17kg
Weldi 273 400V 3ph 20-270A 270A 16A 5kVA to 3/4 output 86% 16W 70V DC 14kg
Weldi 413 400V 3ph 20-410A 410A 45% 16/20A 8.5kVA to 3/4 output 86% 16W 70V DC 18kg
Case Dimensions mm + handle/feet 235W x 380H x 490L For  All Models


Input power voltage (V)
Product Code
Weldi 273

Delivery & Returns

UK Delivery

Postage and packing to mainland UK is free on all orders over £60.00 (exc VAT. All orders up to £60.00 (exc VAT) are £5.75 plus VAT.

Click and collect is now available for PO and SO postcodes.

Outside of the UK

For delivery to an address outside the UK please call us on 023 92 295612 or email us at and we will advise.

Oxford Weldi 273 Arc Welder

Product Code Weldi 273