SINOFUSE RS309-MD High-Speed Fuse, 60A 500VDC, Power Semiconductor Protection - Pack of 2

The SINOFUSE RS309-MD is a professional-grade, high-speed fuse engineered specifically for the protection of power semiconductor devices and high-voltage DC circuits. Manufactured by Xi'an Sinofuse Electric Co., Ltd., this fuse is a critical component for ensuring the safety and reliability of Power Distribution Units (PDU), Battery Management Systems (BMS), and EV/HEV charging infrastructures.

Reliability and Performance The RS309-MD series is characterized by its excellent current-limiting capabilities and high breaking capacity. It is constructed using high-strength ceramic housing and high-purity silver fuse elements, ensuring stable performance even under extreme thermal cycling and mechanical vibration. The "MD" designation signifies a bolted-blade mounting configuration, providing a secure, low-resistance electrical connection essential for high-current applications.

Key Applications

• Electric Vehicles (EV/HEV): Battery pack protection and high-voltage auxiliary circuits.
• Energy Storage Systems (ESS): Circuit protection for battery modules and inverters.
• Industrial Electronics: Protection for UPS systems, DC drives, and power converters.
• Renewable Energy: Overcurrent protection in solar combiners and wind power electronics.

Technical Standards This product is designed and tested to meet international safety and performance standards, ensuring compatibility and safety in global markets:

• UL 248-13 / IEC 60269-4
• RoHS and REACH compliant
• Guaranteed low power-dissipation to maintain system efficiency.