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EFL000 | 400A 800VDC 50kA aR Fast Acting Fuse
Elehub’s 400A 50kA aR Fast Acting Fuse is engineered for rapid and reliable DC circuit protection. Rated for 800VDC and supporting currents from 20A to 630A, it offers a high breaking capacity of 50kA to safely isolate short circuits. Designed according to the IEC60269-4 standard, this aR-class fuse provides optimal protection for semiconductors, battery systems, and power electronics.
With fast response times, the 400A fuse minimizes thermal and mechanical stress on connected equipment, ensuring longevity and operational safety in demanding industrial and renewable energy applications. Elehub delivers both precision and reliability in high-speed DC protection.
Specifications
| Specification | DATA |
|---|---|
| Rated Voltage: | 800VDC |
| Rated Current (A): | 20A~630A |
| Breaking Capacity: | 50kA |
| Operation Class: | aR |
| Standard: | IEC60269-4 |
Dimension Drawing
Applications
This 400A 800VDC fast acting fuse is specifically designed to meet the safety demands of fast-growing DC power applications. Its high-speed breaking capacity and robust construction make it ideal for:
EV Charging Stations
Protects power modules during high-speed DC fast charging.
Battery Energy Storage Systems (BESS)
Isolates faulted strings to prevent system-wide failure.
Electric Vehicle Powertrains
Guards onboard chargers, converters, and battery packs.
Solar PV Inverters
Offers short-circuit protection for high-voltage solar installations.
DC-DC Converters
Ensures safe operation of high-frequency conversion systems.
UPS Systems
Prevents equipment damage in uninterruptible power applications.
Industrial Automation Equipment
Secures drives and motor controllers against DC faults.
Telecom Base Stations
Protects rectifiers and DC power modules in communication networks.
Why Choose Us as an Electric Vehicle Fuse Supplier?
EV-Focused Innovation
We design fuses specifically for electric vehicles, ensuring optimal protection and system compatibility.
Reliable Quality Standards
Our fuses meet international safety and performance certifications, guaranteeing consistent and reliable performance under extreme EV conditions.
Broad Product Range
From compact passenger EVs to heavy-duty electric trucks, we offer a wide variety of fuse models to match diverse applications.
Compact & Lightweight
Space-saving designs fit perfectly within EV architecture without compromising performance or durability.
OEM Customization
Support for custom designs and ratings tailored to specific EV platform requirements and standards.
Quick and Reliable Delivery
Streamlined production and logistics systems ensure fast, on-time delivery to meet urgent customer demands.
FAQs
What is the breaking capacity of this fast acting fuse?
The fuse has a breaking capacity of 50kA, making it suitable for high-energy fault protection.
What is the rated voltage of this product?
It is rated for 800VDC, ideal for electric vehicle and renewable energy systems.
What does the aR operating class mean?
aR class fuses provide partial-range protection and are specifically designed for protecting power semiconductors from short circuits.
Is this fuse compliant with international standards?
Yes, it meets IEC60269-4 standards for fuses used in semiconductor protection.
Can this fuse be used in EV charging stations?
Absolutely. It is specifically suited for protecting high-voltage DC fast-charging infrastructure.
What current ratings are available?
This series supports current ratings from 20A to 630A, offering broad selection for different applications.
Does it support fast fault interruption?
Yes, it is a fast acting fuse designed to interrupt faults quickly and prevent equipment damage.
Can it be used in solar PV systems?
Yes, the fuse is commonly used to protect PV inverters and combiner boxes in high-voltage solar setups.
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