Westermans International

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+44 (0)116 269 6941
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Westermans International

Our Products


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Welding Power Sources and Rectifiers


Lincoln v350 pro Multi-Process Welder Lincoln v350 pro Multi-Process Welder
Lincoln Murex heavy duty 450 amp AC Stick Welders. in banks of 3 Lincoln Murex heavy duty 450 amp AC Stick Welders. in banks of 3
ESAB Submerged Arc Dual Welding Head with ESAB LAF and TAF AC and DC Welding Power Source ESAB Submerged Arc Dual Welding Head with ESAB LAF and TAF AC and DC Welding Power Source
Miller XMT 456 CC/CV MIG Power Source 600 amps Miller XMT 456 CC/CV MIG Power Source 600 amps
ESAB LAE 1000 Welding Power Source ESAB LAE 1000 Welding Power Source
Kemppi PS3500 DC Welding Power Source for mma welding - Can be Supplied as Combined MIG and DC TIG Welder if Required Kemppi PS3500 DC Welding Power Source for mma welding - Can be Supplied as Combined MIG and DC TIG Welder if Required
Lincoln R3R-600-1 DC Welding Power Source Lincoln R3R-600-1 DC Welding Power Source
Thermal Arc Powermaster 400SP Plasma Welding System - New Thermal Arc Powermaster 400SP Plasma Welding System - New
Lincoln Idealarc DC 400 amp MIG Multi Process Welding Power Source Lincoln Idealarc DC 400 amp MIG Multi Process Welding Power Source
Powercon 630 MMA Welding power source Powercon 630 MMA Welding power source
Murex Transarc OCVR AC/DC Open Circuit Voltage Reducers Murex Transarc OCVR AC/DC Open Circuit Voltage Reducers
ESAB LHF 405 PIPEWELD multi process welding machine ESAB LHF 405 PIPEWELD multi process welding machine
ESAB LAE 800 amp DC Multi Process - Heavy Duty welder 110 and 42 volts ESAB LAE 800 amp DC Multi Process - Heavy Duty welder 110 and 42 volts
ESAB LAE 1600 amp DC Welding Power Source ESAB LAE 1600 amp DC Welding Power Source
ESAB LAE 1250 Welding Power Source ESAB LAE 1250 Welding Power Source
ESAB LAE 1250 DC Sub Arc Multi Process ESAB LAE 1250 DC Sub Arc Multi Process
ESAB A6/A2 Sub Arc seam Welding Tractor twin head or single and LAF 1250 Multi Process with PEH Controls  ESAB A6/A2 Sub Arc seam Welding Tractor twin head or single and LAF 1250 Multi Process with PEH Controls
Calibrator 600 AC/DC load bank for Validation and Calibration of Welding Machines - New Units Made in Britain Calibrator 600 AC/DC load bank for Validation and Calibration of Welding Machines - New Units Made in Britain
Calibrator 500i AC/DC for On Site Calibration/Validation of Welding Machines - New Units Made in Britain Calibrator 500i AC/DC for On Site Calibration/Validation of Welding Machines - New Units Made in Britain
Lincoln Idealarc DC 1000 amp Welding Power Source Supply - Heavy duty Lincoln Idealarc DC 1000 amp Welding Power Source Supply - Heavy duty
Lincoln Idealarc DC 600 amp Welding Power Source for arc gouging for hire Lincoln Idealarc DC 600 amp Welding Power Source for arc gouging for hire
ESAB LAD 1400 amp DC Power Source Welding Plant - heavy duty welder ESAB LAD 1400 amp DC Power Source Welding Plant - heavy duty welder
New Miller Goldstar 602 Stick Rectifier New Miller Goldstar 602 Stick Rectifier
Thermal Arc Fabricator 211i Compact MIG and Multi Process Inverter - New In Stock Thermal Arc Fabricator 211i Compact MIG and Multi Process Inverter - New In Stock
Lincoln PowerWave Welding Power Source Model F355i Lincoln PowerWave Welding Power Source Model F355i
Lincoln Idealarc DC 600 amp Welding Power Source for Arc and Stick Welding Lincoln Idealarc DC 600 amp Welding Power Source for Arc and Stick Welding
ESAB LAD AND ESAB LAE spares ESAB LAD AND ESAB LAE spares
Arcair Control Arcair Control
Thinking of selling your machine? Thinking of selling your machine?
ESAB A6 Submerged Arc Welding Heads for SAW ESAB A6 Submerged Arc Welding Heads for SAW
Lincoln DC 1500 amp Welding Power Source Supply Lincoln DC 1500 amp Welding Power Source Supply
Load Bank for Calibration of Welding Machines MMA, TIG, MIG  & Diesel Welders - New Units Made in Britain Load Bank for Calibration of Welding Machines MMA, TIG, MIG & Diesel Welders - New Units Made in Britain
L-Tec Kroger 801 VCR Sub Arc welding Power Source for SAW welding L-Tec Kroger 801 VCR Sub Arc welding Power Source for SAW welding
Miller Maxstar STR 200 amp  Auto Line single phase DC TIG welder Miller Maxstar STR 200 amp Auto Line single phase DC TIG welder
Lincoln V-300I MMA MIG or DC TIG Power Source wire feed units to suit if required Lincoln V-300I MMA MIG or DC TIG Power Source wire feed units to suit if required

 

Necessary for all forms of welding, power sources are required to supply the electrical current needed to power the welding equipment. Different forms of welding require different power supplies, such as each requires a different level of electrical current in order to work correctly.

Power source types

The most common welding power sources fit into a few different types, such as transformers and generators.

Transformers swap the power from the mains, changing it to a high current and low voltage from a low current and high voltage. The output current and voltage can be selected by the welder, based on the welding work they are carrying out. Rectifiers are sometimes used alongside transformers to convert the AC into DC.

Generators, such as diesel welders, are used as a way of producing electricity for welding. Some generators are actually powered by electricity, but the electricity they produce can be of a different voltage and current without the need for a transformer.

Other types of power sources exist, such as inverters which can be used for other kinds of welding.


 
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