Sinofuse RS308-HB-2G20A Fuse, 20A 1000VAC/750VDC, aR Fast-Acting Bolt-on, Size 2G - Pack of 10

Ultra-Fast High-Voltage Semiconductor Protection Fuse

The Sinofuse RS308-HB-2G20A is a high-performance, high-speed bolt-on fuse designed specifically for the protection of power semiconductor components. With a current rating of 20A, this fuse is an essential safety element for modern power electronics, including Electric Vehicle (EV) charging systems, uninterruptible power supplies (UPS), and frequency converters. Part of the renowned RS308 series, it is engineered to handle high-voltage DC and AC environments with extreme precision.

Classified as an aR utilization category device, this fuse provides specialized partial-range short-circuit protection. It is engineered to react with ultra-fast speeds to overcurrent events, significantly limiting the let-through energy. This rapid clearing capability is vital for protecting sensitive semiconductor junctions in IGBTs, thyristors, and rectifiers from thermal damage during a fault. The Size 2G body features a robust bolt-on mounting design, ensuring a stable, low-resistance electrical connection and high resistance to mechanical vibration.

Key Features:

• Semiconductor Grade Protection: Engineered with aR characteristics for the high-speed interruption of fault currents in power electronic circuits.
• Versatile Voltage Compatibility: Rated for 1000V AC and 750V DC, making it ideal for high-voltage battery arrays and international industrial grids.
• Standardized Bolt-on Mounting: The Size 2G configuration allows for secure installation in compact spaces while maintaining superior thermal and mechanical performance.
• High Interrupting Capacity: Boasts a 50kA breaking capacity, providing reliable safety and circuit isolation in high-energy power systems.
• Stringent Quality Standards: Manufactured to comply with international specifications IEC 60269-4 and UL 248-13, ensuring consistent reliability for global industrial and automotive use.