Modular 20 TI 230V spot welding machine with electronic control of the spot welding time. Suitable for spot welding of sheets with a maximum thickness of 1+1 mm. Features: - Synchronous electronic timer with spot welding time adjustable from 0.1 sec to 1.2 sec. - Arms pressure adjustable from 40 kg to 120 kg (with arms L= 120 mm). - Handgrip made out of thermic isolating material.