... circuit, compact, light, high efficiency and energy saving. Electrode welding machine Advanced invert technology, simple circuit, compact, light, high efficiency and ... adjustment(A)20-20020-25020-315 Rated output voltage(V)21.2-2821.2-3020.8-32.6 Rated duty cycle ... (mm)375*155*232480*204*303565*30*495 Electrode welding machine