This series of DC fuses are small in size, light in weight, and high-precision resistance value. It has the characteristics of low power consumption, high breaking capacity, ultra-fast interruption of hazardous currents and short-circuit currents. It can be applied to the protection of power systems energy storage battery packs and their rectification, inverter, frequency conversion, IGBT, diode and other components. Rated working voltage is 1000VDC, rated working current is 1000-1800A, and rated breaking capacity is 110kA@L/R=5ms.

Protection category: aR.