Sinofuse RS308-HB-2G25A Fuse, 25A 1000VAC/750VDC, aR Fast-Acting Bolt-on, Size 2G - Pack of 10

Ultra-Fast Semiconductor Protection Fuse for High-Voltage Applications

The Sinofuse RS308-HB-2G25A is a high-performance, high-speed bolt-on fuse specifically engineered for the protection of power semiconductor devices. Part of the specialized RS308 series, this fuse is designed to handle the rigorous demands of modern power electronics, including electric vehicle (EV) onboard systems, power supply units, and small-scale energy storage solutions.

Categorized under the aR utilization class, this fuse provides partial-range short-circuit protection with ultra-fast clearing speeds. By minimizing the let-through energy, it effectively prevents damage to sensitive components like thyristors, diodes, and IGBT modules. The Size 2G compact design features rugged bolt-on terminals, ensuring stable mechanical performance and low electrical resistance in high-vibration environments.

Key Features:

• Precision High-Speed Protection: Specifically tuned for semiconductor safety, offering rapid response to fault currents to preserve downstream electronic integrity.
• Dual Voltage Rating: Optimized for high-voltage circuits, supporting up to 1000V AC and 750V DC applications.
• Compact Bolt-on Form Factor: The Size 2G footprint provides a space-saving solution without compromising on breaking capacity or thermal stability.
• Reliable Industrial Compliance: Manufactured to meet stringent international standards, including IEC 60269-4 and UL 248-13, ensuring global compatibility and safety compliance.
• High Breaking Capacity: Capable of safely interrupting fault currents up to 50kA, providing a high level of circuit security in a small package.