Galaxy Fuse (Yinrong) is a professional manufacturer of the 690V High-Speed Semiconductor Protection Fuse, a high-speed square body fuse engineered for AC/DC 690V systems with a current range of 200A-800A and an industry-leading 200kA interrupting rating. As an aR class ultra-rapid fuse, it delivers exceptional current-limiting performance with precisely characterized I²t values, fully compliant with IEC60269-4 and GB/T13539.4, CE certified, making it a trusted choice for critical circuit protection in power electronics and renewable energy applications.