... environmental protection industry, printing industry.Our HF generator has been passed the inspection of authority. The ... customized)Output power 20KW30KW40KW50KW60KW75KW100KW1.5KW---- ---- 100KWCooling modeForced air CooledWater cooledFrequency 6.78MHz/ 13.56MHz/27.12MHzCommutate ... silicon commutate Protection modeOver current protection, less air pressure protection, door switch protection, radio tube ...