ESAB THE 430, THE 650 are single operator handwelding transformers. They are robust but easy to handle and have first class welding properties. The welding current is steplessly adjustable by varying the magnetic field with a leakage core. This can be done manually, but in the case of THE 650 a motorized version is also available. The transformers are available for two input voltage ranges:

1. 380/500 Y, 50 Hz — 440/550 У, 60 Hz.
2. 220/380/440 V, 50—60 Hz.