PSR072DL0400X Specialty Fuses by Littelfuse – Reliable Circuit Protection for Power Electronics

The Specialty Fuses PSR072DL0400X by Littelfuse are engineered to provide dependable overcurrent protection in high-voltage power conversion systems, battery storage, industrial drives, and renewable energy applications. Designed for performance, this fuse supports up to 400A and 700V DC, ensuring robust Circuit Protection in demanding environments. It belongs to the renowned PSR series of Specialty Fuses, offering fast-acting response and long-term durability.

In this blog, we explore its technical specs, core features, typical applications, wiring guide, and how to download the datasheet or purchase it from Xon Electronics. For high-reliability Fuses in your power systems, the PSR072DL0400X is a trusted solution.

Technical Specifications of PSR072DL0400X

• Manufacturer: Littelfuse

• Part Number: PSR072DL0400X

• Type: High-Speed Specialty Fuse

• Rated Current: 400A

• Rated Voltage: 700V DC

• Interrupting Rating: 100 kA

• Mounting Type: Bolt-down

• Application Category: gPV / gR Equivalent

• Compliances: RoHS Compliant, UL Recognized

• Category: Circuit Protection, Fuses, Specialty Fuses

This Littelfuse product is purpose-built for advanced Circuit Protection in high-voltage DC systems, offering minimal power loss and high interrupting capacity.

Key Features of PSR072DL0400X Specialty Fuse

• High Voltage, High Current Rating – 700V DC at 400A for demanding power electronics

• Fast-Acting Operation – Provides immediate fault isolation to prevent equipment damage

• Compact Bolt-Down Design – Ensures reliable mechanical and electrical contact

• Low I²t Value – Limits energy let-through for superior component protection

• Industry Certifications – Ensures safe operation under global compliance standards

These features make the PSR072DL0400X one of the most trusted Specialty Fuses available for modern Circuit Protection needs.

Applications of PSR072DL0400X

This Specialty Fuse supports a wide range of industries and high-voltage systems, including:

• Battery Energy Storage Systems (BESS)

• Renewable Energy Systems (Solar Inverters, Wind Turbines)

• Electric Vehicle Charging Stations

• DC Power Distribution Units (PDUs)

• UPS Systems and Rectifiers

• Industrial Drives and Power Conversion Units

Its design is tailored for critical installations requiring fast and safe Circuit Protection.

Wiring and Installation Overview

A standard high-voltage DC fuse setup:

[DC Power Source]  
     
[PSR072DL0400X Specialty Fuse]  
     
[Inverter / Motor Drive / Battery Storage Unit]

This configuration ensures reliable protection against short circuits and overloads in DC-powered systems using Littelfuse Fuses.

Use Case Scenario: Battery Energy Storage Protection

Scenario: A solar energy provider needed high-speed Circuit Protection for their DC battery backup system.

Problem: Conventional fuses had slow reaction times and higher let-through energy, risking component damage.

Solution: The PSR072DL0400X provided 700V DC protection with 400A capacity and rapid response.

Result: Enhanced system safety, reduced maintenance, and higher uptime for the BESS.

This highlights the critical role of Specialty Fuses in safeguarding advanced energy storage systems.

Download Datasheet for PSR072DL0400X

Need technical drawings, time-current curves, or compliance info?

[Download PSR072DL0400X Datasheet from Xon Electronics]

Ensure your fuse meets the exacting demands of your power system design with detailed specifications.

Why Buy from Xon Electronics?

Xon Electronics is your go-to global supplier for Littelfuse Fuses and Circuit Protection components:

• 100% Genuine Littelfuse Products
• Worldwide Shipping – USA, India, Australia, Europe & other countries
• OEM and Volume Discounts
• Engineering Support for Product Selection
• Secure and Fast Online Checkout

Get industry-certified Specialty Fuses shipped globally from Xon Electronics—engineered for reliability.

Conclusion

The PSR072DL0400X Specialty Fuses by Littelfuse deliver superior overcurrent protection for high-voltage DC systems. With 700V/400A capacity and fast-acting performance, these Fuses safeguard your systems against costly failures and downtime. Buy today from Xon Electronics for fast global delivery and expert support.

FAQs – PSR072DL0400X Specialty Fuse

Q1. What is the voltage and current rating of this fuse?
700V DC and 400A.

Q2. Can it be used in solar and EV systems?
Yes, it's ideal for BESS, solar inverters, and EV charging stations.

Q3. How is the fuse mounted?
It features a bolt-down design for secure installation.

Q4. Is it compliant with global safety standards?
Yes, it's RoHS compliant and UL Recognized.

Q5. Where can I buy it globally?
You can order from www.xonelec.com, shipping to USA, India, Australia, Europe, and other countries.