Fast Acting Fuse 400A 450A 500A 750VDC for ESS EV DC Application

The A4307 Series Fast Acting Fuse is a high-performance circuit protection solution designed for demanding DC applications in energy storage systems (ESS) and electric vehicles (EV). Engineered to deliver rapid response to overcurrent conditions, this fuse series is available in current ratings of 400A, 450A, and 500A, with a maximum DC voltage rating of 750V. Its fast-acting characteristics ensure minimal let-through energy during fault events, providing superior protection for sensitive power electronics and high-voltage DC systems.

Specification

Rated Current: 400A-500A

Rated Voltage: 750VDC

Beaking Capacity: 50KA

Material: Ceramic body

Terminal: Brass

Compliant: RoHS Compliant

Mounting: Stud-mount

Application: EV/HEV/ESS

Ratings

Features

•Fast Acting Response: Provides instantaneous interruption of fault currents, minimizing energy let-through and reducing the risk of damage to critical semiconductor components and power electronics.

•High Voltage Rating: Rated for up to 750V DC, making it well-suited for modern high-voltage ESS and EV architectures.

•Wide Current Range: Available in 400A, 450A, and 500A options to accommodate various system power requirements.

•Optimized for DC Applications: Specifically engineered to handle the unique characteristics of DC circuits, ensuring reliable and consistent protection in battery-based systems.

•Robust Construction: Built to withstand demanding operational environments with excellent thermal and mechanical stability.

Applications

•Energy Storage Systems (ESS): Ideal for overcurrent protection in battery racks, battery clusters, and power conversion systems (PCS) within utility-scale, commercial, and residential energy storage installations.

•Electric Vehicles (EV): Suitable for battery pack protection, traction inverter circuits, and high-voltage power distribution units (PDU) in passenger electric vehicles and commercial EVs.

•DC-DC Converters: Provides reliable circuit protection for high-voltage DC-DC conversion stages in both automotive and stationary applications.

•Onboard Chargers (OBC): Can be used to protect charging circuits within electric vehicle onboard charging systems.

•Renewable Energy Systems: Applicable in solar photovoltaic (PV) storage systems and other DC-coupled renewable energy installations requiring fast-acting overcurrent protection.

Contact Details:

Andy Wu

Email: andy@tianrui-fuse.com.cn

MP/Whatsapp: +86 13532772961

Wechat: HFeng0805

Skype: andywutechrich

QQ: 969828363

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