15kw 3kg 5kg 10kg Medium Frequency Silicon Steel Heating Furnace Melting Heater. Continuous 24h Operation: 100% cycle duty allows 24 hours continuous working under maximum power. IGBT Power Technology: Adopts IGBT power device with unique variable current control technology. Precise Control Display: Features constant voltage/power control with real-time output display. Wide Metal Application: Suitable for smelting gold, silver, copper, iron, aluminum, steel, and alloys. Easy Installation: Simple operation and installation, requiring only power and water connection. CE Certified Quality: Product holds CE certification ensuring safety and compliance standards. OEM/ODM Support: Manufacturer offers OEM and ODM services for customized needs. 100% Product Inspection: Finished products undergo 100% visual and function inspection before delivery.