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EFL00 | 400A 800VDC 50kA aR Fast Acting Fuse
The ELEHUB 400A 800VDC 50kA aR Fast Acting Fuse is specifically designed to protect sensitive DC circuits in advanced power systems. Rated for up to 800VDC with a breaking capacity of 50kA, this fuse provides instant response to short circuits, minimizing system downtime and equipment damage. Classified under the aR operating class and built to IEC60269-4 standards, it is ideal for semiconductor protection in energy and industrial environments.
Available in current ratings from 20A to 350A, this fuse combines high performance, compact size, and reliability—making it a trusted choice for high-speed circuit protection.
Specifications
| Specification | DATA |
|---|---|
| Rated Voltage: | 800VDC |
| Rated Current (A): | 20A~350A |
| Breaking Capacity: | 50kA |
| Operation Class: | aR |
| Standard: | IEC60269-4 |
Dimension Drawing
Applications
The Elehub 50kA aR Fast Acting Fuse is engineered to deliver fast-acting protection in high-voltage DC systems. It is ideal for applications where short-circuit response time is critical:
Energy Storage Systems (ESS)
Safeguards batteries and BMS from catastrophic DC faults.
Electric Vehicles (EVs)
Protects traction inverters and DC link circuits in e-mobility platforms.
DC Fast Charging Stations
Ensures system safety during high-speed charging operations.
Photovoltaic Inverter Systems
Protects solar array inverters from short circuits and overloads.
Power Conversion Equipment
Supports secure operation of IGBT and SiC-based power modules.
Industrial Motor Drives
Provides reliable fault isolation in DC busbar systems.
UPS Systems
Prevents power disruptions caused by component failure or overloads.
Telecom Power Systems
Protects rectifiers and backup battery banks in communication infrastructure.
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 rated voltage for this fuse?
The fuse is rated for up to 800VDC, making it suitable for modern high-voltage DC applications.
What is the current range available for this series?
The fuse supports a current range from 20A to 350A, with 400A available on request or as a customized solution.
What does ‘aR’ mean in fuse classification?
The aR operating class indicates that the fuse is designed to protect semiconductor devices by rapidly clearing short-circuit currents.
What’s the breaking capacity of this fuse?
This fuse can safely interrupt fault currents up to 50kA, ensuring system and operator safety.
Is this fuse compliant with international standards?
Yes, it is compliant with IEC60269-4, the global standard for fuses used in semiconductor protection.
Can this fuse be used in EV power systems?
Absolutely. It is commonly used in EV inverters, onboard chargers, and DC battery circuits.
How fast is the response time of this fuse?
It is classified as a fast acting fuse, meaning it interrupts short circuits in milliseconds to protect electronic components.
Is it suitable for renewable energy applications?
Yes, especially for PV inverters, energy storage, and grid-tied battery systems.
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