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EFBS-H3 | 500A 1000VDC 50kA aR Fast Acting Fuse
The EFBS-H3 500A DC1000V Fast Acting Fuse is a high-performance protection component developed by Elehub, tailored for DC high-voltage systems. Engineered to meet IEC60269-4 standards, this aR-class fuse offers exceptional short-circuit protection in demanding environments. It features a rated voltage of DC1000V, a current range of 250A to 700A, and a breaking capacity of up to 100kA, ensuring fast, reliable interruption of fault currents.
Designed for precision and safety, the EFBS-H3 series is ideal for applications where rapid response and minimal let-through energy are critical. Elehub delivers robust and certified DC protection solutions that ensure system integrity and operational continuity.
Specifications
| Specification | DATA |
|---|---|
| Rated Voltage: | DC1000V |
| Rated Current (A): | 250A~700A |
| Breaking Capacity: | 50kA/100kA |
| Operation Class: | aR |
| Standard: | IEC60269-4 |
Dimension Drawing
Dimension Data
Applications
The EFBS-H3 DC1000V Fast Acting Fuse is widely applied in industries requiring reliable, fast-acting protection for high-voltage DC circuits. Its advanced performance characteristics make it suitable for mission-critical applications where short-circuit protection is vital to system safety and longevity.
Energy Storage Systems (ESS)
Ensures safe and efficient fault current protection in battery energy storage units
Electric Vehicle Charging Stations (EVCS)
Provides overcurrent protection for high-speed DC fast-charging infrastructure
Photovoltaic (PV) Inverter Systems
Protects solar inverters and DC circuits in utility-scale solar installations
DC Power Distribution Units
Offers circuit protection in centralized or modular DC distribution setups
Industrial Automation Cabinets
Shields power electronics and control units from short-circuit damage in automation systems
Railway and Mass Transit Systems
Supports fault protection in traction systems, converters, and auxiliary DC networks
Uninterruptible Power Supply (UPS) Systems
Maintains system integrity in high-voltage backup power applications
Telecom and Data Centers
Safeguards rectifiers and battery banks in DC-powered communication infrastructures.
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 and current range of the EFBS-H3 fuse?
The EFBS-H3 fuse is rated at DC1000V and supports current ratings from 250A to 700A.
What is the breaking capacity of this fast acting fuse?
The fuse provides a high breaking capacity of 100kA, ensuring safe interruption of high fault currents.
What standard does the EFBS-H3 fuse comply with?
It complies with the IEC60269-4 standard, ensuring global acceptance and compatibility.
What operating class is this 1000VDC fuse?
The EFBS-H3 belongs to the aR operating class, designed specifically for semiconductor and short-circuit protection.
Is this fuse suitable for electric vehicle applications?
Yes, it is ideal for EV charging stations and onboard DC protection in electric mobility solutions.
How fast is the response time of the EFBS-H3 fuse?
Being a fast acting fuse, it reacts almost instantly to overcurrent conditions, minimizing energy let-through.
Can it be used in photovoltaic (PV) systems?
Yes, it is optimized for PV inverters and solar protection in high-voltage circuits.
What is the typical installation environment for this fuse?
It is suitable for indoor industrial panels, outdoor energy storage enclosures, and vehicle-mounted systems.
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