tween AC160V-250V;6. Single board design: high integration, scientific duct design for thermal diffusion;7. Easy Operation: single knob adjustment;8. Cost effective: perfect protective function.Technical Specifications :ITEM MODELMMA-120MMA-140MMA-160MMA-180MMA-200Rated voltage(V)220v±15%220v±15%220v±15%220v±15%220v±15%Frequency(Hz)50/6050/6050/6050/6050/60Rated input capacity(Kva)6.87.17.57.88No load voltage(V)5656565656Output current range20-120A20-14020-16020-18020-200Duty cycle(%)30%30%