... Product Description 1. DC Inverter plasma cutter machine 2. 100kHz Frequency, PWM system 3. 12 Toshiba Mosfets 4. CE, CCC RoHS approved ... used in steel, aluminum, stainless steel, copper sheet cutting. Inverter frequency up to 100kHz, the conversion efficiency of 80%, no-load ... 5parameters/typeCUT-40CUT-60input voltage(V) AC220V± 10% AC380V± 10%Frequency(Hz)50/6050/60rated input current(A)22.112no-load ...