Sinofuse RS308-HB-2G40A Fuse, 40A 1000VAC/750VDC, aR Fast-Acting Bolt-on, Size 2G - Pack of 10

High-Speed Semiconductor Protection Fuse for Advanced Power Electronics

The Sinofuse RS308-HB-2G40A is a high-performance, ultra-fast bolt-on fuse designed specifically to protect sensitive semiconductor devices. Rated at 40A, this fuse is a critical safety component for modern DC and AC power systems, frequently utilized in Electric Vehicle (EV) power trains, charging stations, energy storage systems (ESS), and industrial power converters.

As an aR utilization category fuse, it provides dedicated partial-range short-circuit protection. The RS308-HB series is engineered to offer exceptionally low let-through values, ensuring that the fuse clears faults rapidly before thermal damage can occur to delicate components such as thyristors, rectifiers, and IGBT modules. The Size 2G design features a robust bolt-on construction, providing a secure and low-resistance electrical connection ideal for high-vibration industrial and automotive environments.

Key Features:

• Precision Semiconductor Protection: Features aR characteristics for high-speed interruption of short-circuit faults in power electronic equipment.
• High Voltage Versatility: Engineered for high-voltage stability, rated for up to 1000V AC and 750V DC applications.
• Optimized Performance: Provides excellent cycling capability and low power dissipation, enhancing the overall efficiency of the host system.
• Durable Bolt-on Design: The Size 2G form factor ensures easy integration into busbars with a secure mechanical fit that resists loosening over time.
• Industry Standards Compliance: Manufactured to meet the stringent requirements of IEC 60269-4 and UL 248-13, ensuring global reliability and safety for enterprise deployments.