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  • EFB500 150A AC/DC500V Electric Vehicle Fast Acting Fuse

EFB500 | 150A 500VDC aR/aBAT Fast Acting Fuse

The ELEHUB 150A 500VDC Fast-acting fuse is designed for advanced EV systems requiring rapid and reliable fault protection. Operating at up to 750V AC/DC, this high-performance fuse features a breaking capacity of 100kA (AC) and 50kA (DC), making it ideal for the protection of EV battery packs and power modules.

Compliant with IEC60269-7 standards and classified under aR and aBAT operation classes, it delivers quick-response current limiting to prevent component damage. With current ratings ranging from 5A to 800A, this compact fuse ensures safe, efficient, and long-term protection in electric vehicle energy circuits—manufactured to meet the highest Elehub quality standards.

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SKU: EFB500 Category: Tag:
Specification
Drawing
Applications
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FAQs

Specifications

Specification     DATA
Rated Voltage:AC/DC750V
Rated Current (A):5A~800A
Breaking Capacity:AC100kA, DC50kA
Operation Class:aR aBAT
Standard:IEC60269-7

Dimension Drawing

Applications

ELEHUB’s DC500V Electric Vehicle Fuse is engineered for safety and durability across demanding EV and energy applications. Key use cases include:

EV Battery Packs

Protects lithium-ion cells from thermal runaway and short circuits.

Onboard DC/DC Converters

Provides fast protection for voltage regulation systems.

Electric Powertrains

Prevents damage in high-voltage propulsion circuits.

EV Charging Interfaces

Secures bidirectional DC power during high-current charging.

Inverter and Motor Controllers

Guards semiconductor modules in traction inverters.

Electric Buses and Trucks

Reliable fuse protection for large-capacity EV platforms.

Battery Management Systems (BMS)

Supports safe battery operation and fault isolation.

Hybrid and Plug-in Hybrid Vehicles

Maintains safety in mixed powertrain configurations.

Resources

Downloads:

Specification
3D Drawings

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 voltage is this fast acting fuse rated for?

Although labeled as a DC500V fuse, it supports up to 750V AC/DC, suitable for flexible system integration.

This specific model is rated at 150A, but the EFB series supports a wide range from 5A to 800A.

aBAT is an operation class specifically designed for battery system protection, ideal for EV applications.

Yes, it is fully compliant with IEC60269-7 for fuse-links used in semiconductor and battery protection.

Can it be used in fast-charging stations?

Absolutely. The fuse’s fast-acting nature and high DC breaking capacity make it suitable for EV charging infrastructure.

The fuse can safely interrupt up to 100kA for AC and 50kA for DC currents.

Yes, it is widely used in HEV and PHEV architectures for power safety.

Each fuse undergoes rigorous quality testing and is produced in line with global safety and durability standards.

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