Arc Welding Transformer


Arc Welding Transformer

Powercon offers Arc Welding Transformers. The MT series of natural air-cooled manual arc welding transformers conforming to IS: 1851 are specially designed to meet today’s demand at sites and workshops as well. The optimally designed taper moving core system ensures superior dynamic characteristics resulting in a smooth and soft arc with minimum spatter. Compact, sturdy and really portable these sets are manufactured with Class ‘H’ insulation for long trouble-free service life. These are extremely operator-friendly, and more so since both the current scale and the current control handle are located on the front panel. Due to the two large wheels at the rear, castor/stay at the front, the transformer can be steered to any position effortlessly. The company offers Arc Welding Transformer, Thyristorised Welding Rectifiers, Arc Welding Transformer, Arc Welding Transformer, etc.


MT - 300

MT - 450




Supply Voltage

390 / 415 / 440 V, 50 Hz 2 Lines of 3 phase supply

Rated KVA at 60% duty cycle

21 KVA

29 KVA

Input Current at rated output and 415 V supply

50 Amp.

70 Amp.




Open Circuit Voltage

81 V (Max.)

81 V (Max.)

Welding Current Range

40 – 300 Amp.

60 – 450 Amp.

Max. Cont. Hand Welding Current at 60% duty cycle ( Rated Output)

250 Amp.

350 Amp.

Max. Cont. Auto. Welding Current at 100% duty cycle

175 Amp.

265 Amp.

Welding Current Control






Type of Cooling

Natural Air Cooled

Natural Air Cooled

Insulation Class



Weight (Approx.)

175 Kg.

195 Kg.

Dimension (Approx.) L X W X H

760 X 625 X 780

800 X 635 X 820

  • Liberally Designed, robust and compact construction
  • Class 'H' insulation
  • Superior dynamic characteristics
  • High metal recovery
  • Uniform current scale
  • Current indicator and controlling handle on front panel
  • Two large rear wheels with front Castor/Stay

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