1, the use of imported solid state power MOSFET and IGBT module and advanced inverter technology. 2, having a three-stage heat insulation cooling time setting function, heat insulation power individually adjustable, can be effective to some extent control the heating curve and the heating temperature. 3, functional, include over-current, over-voltage, under-water, lack of equal protection and fault status display, providing greater reliability and durability. 4, simple operation, the voltage output of the device is safe and will not harm the personal safety. 5, one hundred percent of full load design, continuous 24-hour work. Model KIH-5A KIH-15A KIH-15AB KIH-25A KIH-25AB KIH-40AB KIH-60AB KIH-80AB KIH-100AB KIH-120AB maximum oscillation power 5KVA 15KVA 15KVA 25KVA 25KVA 40KVA 60KVA 80KVA 100KVA 120KVA oscillation frequency 10-250KHZ 30 -100KHZ 30-100KHZ 30-80KHZ 30-80KHZ 30-80KHZ 30-80KHZ 30-80KHZ 30-80KHZ 30-80KHZ heating current 100-500A 200-600A 200-600A 200-1200A 200-1200A 200-1800A 400-3200A 400 -3800A 400-4200A 400-4600A operating voltage single phase 220v, 50HZ-60HZ single phase 220v, 50HZ-60HZ single phase 220v, 50HZ-60HZ three-phase 380V, 50HZ-60HZ three-phase 380V, 50HZ-60HZ three-phase 380V, 50HZ -60HZ three-phase 380V, 50HZ-60HZ three-phase 380V, 50HZ-60HZ three-phase 380V, 50HZ-60HZ three-phase 380V, 50HZ-60HZ voltage range 180V-245V 180V-245V 180V-245V 342V-430V 342V-430V 342V- 430V 342V-430V 342V-430V 342V-430V 342V-430V cooling water 0.2Mpa, 6L / Min 0.2Mpa, 6L / Min 0.2Mpa, 6L / Min 0.2Mpa, 6L / Min 0.2Mpa, 6L / Min 0.2Mpa, 7L / Min 0.2Mpa, 9L / Min 0.2Mpa, 9L / Min 0.2Mpa, 12L / Min 0.2Mpa, 12L / Min Water Temperature Protection Point 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C 40 ° C Weight (Kg) 21Kg 26Kg Host: 13Kg extension: 15.5Kg 35.5Kg Host: 21.5Kg extension: 15.5Kg Host: 33Kg extension: 37Kg Host: 70Kg extension: 48Kg Host: 50Kg extension: 75Kg Host : 70Kg extension: 75Kg Host: 70Kg extension: 78Kg Dimensions (mmL × mmW × mmH) one machine 180 * 330 * 410mm machine 460 * 200 * 385mm host 480 * 200 * 385mm 315 * 200 * 350mm extension machine 480 * 200 * 385mm host 480 * 240 * 400mm extension 315 * 200 * 350mm host 556 * 280 * 470mm extension 360 * 265 * 365mm host 800 * 470 * 560mm extension 500 * 304 * 402mm host 500 * 304 * 402mm extension 800 * 470 * 560mm host 800 * 470 * 560mm extension 800 * 470 * 560mm host 800 * 470 * 560mm extension 800 * 470 * 560mm