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EFBS-H2 | 350A 1000VDC 100kA Fast Acting Fuse
The EFBS-H2 350A 1000VDC Fast Acting Fuse from ELEHUB is engineered for high-performance DC protection in demanding industrial and energy storage applications. Compliant with IEC60269-4, this aR-class 100kA fuse offers ultra-fast response to short-circuit conditions, safeguarding sensitive power electronics. Designed with a 100kA breaking capacity, it provides reliable protection in systems up to 1000VDC, with a rated current range from 200A to 550A.
Whether integrated into electric vehicles, battery energy storage systems, or solar inverters, this 1000VDC fast-acting fuse delivers safe, consistent performance in high-voltage circuits. ELEHUB’s commitment to innovation ensures every fuse meets the highest quality standards for safety and efficiency.
Specifications
| Specification | DATA |
|---|---|
| Rated Voltage: | DC1000V |
| Rated Current (A): | 200A~550A |
| Breaking Capacity: | 100kA |
| Operation Class: | aR |
| Standard: | IEC60269-4 |
Dimension Drawing
Dimension Data
Applications
The EFBS-H2 series is ideal for protecting high-voltage DC systems. Its fast-acting aR operating class is specifically designed to protect power semiconductors such as IGBTs and MOSFETs. Typical applications include:
Electric Vehicles (EVs)
Battery protection and inverter circuit safety
Battery Energy Storage Systems (BESS)
Fault isolation in large-scale battery arrays
Photovoltaic Systems
DC-side protection for solar inverters and combiner boxes
UPS and Power Conversion Units
Protecting rectifiers and inverters
DC Charging Stations
Ensuring safety and fault protection in EV fast chargers
Industrial DC Drives
Shielding DC motors and control circuits
Telecommunication Power Systems
Overcurrent protection in remote power supply modules
Railway and Traction Equipment
Securing auxiliary DC systems on trains
Why Choose Us as an Energy Storage Fuse Supplier?
Industry Expertise
Over 10 years of experience delivering safe, reliable fuse solutions for energy storage systems.
High Breaking Capacity
Fuses designed to safely interrupt high fault currents, protecting vital battery and inverter components.
Wide Voltage Range
Supports applications from low to ultra-high DC voltages, meeting diverse energy storage system needs.
Fast Response Time
Rapid fault detection ensures minimal damage and downtime in critical power storage infrastructures.
Customizable Solutions
Tailored fuse ratings and configurations to match your system’s unique current and protection requirements.
Global Certification
Products comply with UL, IEC, and RoHS standards for safe, global-ready energy storage applications.
FAQs
What is the rated voltage of the EFBS-H2 100kA fuse?
The EFBS-H2 fuse is rated for DC 1000V, making it ideal for high-voltage DC applications.
What does “fast acting” mean in this fuse?
A fast acting fuse responds rapidly to overcurrent events, protecting sensitive components from damage due to short circuits or surge currents.
What is the breaking capacity of this fuse?
The EFBS-H2 has a breaking capacity of 100kA, meaning it can safely interrupt extremely high fault currents without damage.
What is the operating class “aR”?
The aR class indicates this fuse is designed specifically for the protection of power semiconductors, such as IGBTs and diodes, which require fast fault interruption.
What standard does the fuse comply with?
It complies with IEC60269-4, an international standard for low-voltage fuses.
What current ratings are available?
This series covers current ratings from 200A to 550A, with 350A being a commonly selected option.
Can this fuse be used in EV applications?
Yes. It is commonly used in electric vehicle battery circuits, DC inverters, and charging systems.
Is this 100kA fuse suitable for renewable energy systems?
Absolutely. It is ideal for photovoltaic and energy storage systems, especially where high DC voltages are present.
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