ESU5.0 Series fusesare designed to provide reliable and safety protection for energy storage battery, power supply side, energy storage system, power grid, ESS of user side, emergency power storage system, energy storage inverter, converter, inverter ect. It fits for the protection of positive and negative fault current, and short circuit current. Also, the fusesget high breaking capacity,low I2t, low temperature rise, low-power consumption. It meets standard IEC60269-1/IEC60269-4. This series of fuses are suitable for rated working voltage of 500VDC, rated current of 50-800A, and rated breaking capacity of 50kA. UL/CE/ROHS/REACH