SA1-HK DC1000V ESS Fuse

The SA1-HK series square body fuse plays a critical role in ensuring the safety and reliable operation of high-power energy storage systems (ESS) and industrial power installations. Specifically designed for high-voltage and high-current applications, this high-speed fuse provides essential protection against short circuits and overloads for semiconductor devices, inverters, and battery storage arrays.

Product Overview:

The SA1-HK is a square body fuse specifically designed for energy storage systems (ESS). It complies with IEC60269, DIN43653, and GB/T13539.4 standards, featuring a robust ceramic body capable of withstanding high internal pressure and thermal shock. With its high breaking capacity and aR utilization category, it provides reliable overload and short‑circuit protection for power systems, inverters, semiconductor components, and associated equipment.


Applications:

Ideal for energy storage systems (ESS), new energy power stations, battery clusters, PCS (Power Conversion System), DC combiner cabinets, inverters, semiconductor devices, rail transit, electric vehicles, telecommunications, and power industry equipment. Its square tube pin‑type design facilitates easy integration into DC combiner boxes, inverter inputs, and battery pack connections.



Key Features:

  • Rated voltage: AC1250V / DC1000V

  • Current rating range: 160A to 630A

  • Breaking capacity: 50kA (CCC)

  • Utilization category: aR (semiconductor protection)

  • Compliant with standards: IEC60269, DIN43653, GB/T13539.4

  • Square tube design with robust ceramic body – withstands high internal pressure and thermal shock

  • Available ratings: 160A, 200A, 250A, 315A, 350A, 400A, 450A, 500A, 550A, 630A

  • High breaking capacity for demanding DC fault conditions



Quality Assurance:

Manufactured to rigorous specifications and fully certified, ensuring fast and reliable interruption of fault currents under harsh DC conditions, protecting your energy storage system investment.



Dimensions:

Refer to technical datasheet for detailed dimensions.

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