300A Oil-Immersed Composite Vacuum on-Load Tap Changer for Transformer

300A Oil-Immersed Composite Vacuum on-Load Tap Changer for Transformer. Compact and Lightweight Design: Saves installation space with a unique design combining tap selector and diverter switch. Advanced Vacuum Arc Extinguishing: Utilizes advanced vacuum technology and buried composite resistance for superior performance. Long Mechanical and Electrical Life: Mechanical life no less than 50 million cycles; electrical life no less than 10 million cycles. Flexible Regulation Options: Offers neutral point and end regulation to meet diverse application scenarios. Comprehensive Customization: Supports full customization, minor customization, and customization from samples or designs. High Current Capacity Options: Available in rated through-currents ranging from 100A to 800A. Robust Sealing Performance: Withstands working pressure of 3x10^4 Pa and test pressure of 6x10^4 Pa. ISO9001 Certified Quality: Manufactured under strict quality control with 100% finished product inspection.