LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 1,300 V AC
The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 450 A, 1,300 V AC, and 1,000 V DC (MPN PSR073FL0450Z). This AC/DC voltage type fuse is designed for…
SKU 3G-OTH-26605
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Product Description
The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 450 A, 1,300 V AC, and 1,000 V DC (MPN PSR073FL0450Z). This AC/DC voltage type fuse is designed for overcurrent protection in industrial equipment.
Frequently Asked Questions
What is the LITTELFUSE PSR Series semiconductor fuse used for?
The LITTELFUSE PSR Series very-fast-acting fuse (MPN PSR073FL0450Z) protects power semiconductors and industrial equipment from overcurrent faults. It is commonly applied in variable frequency drives, rectifiers, UPS systems, and DC power supplies where rapid clearing of high fault currents is critical to prevent component damage.
What are the specifications of the LITTELFUSE PSR073FL0450Z fuse?
This PSR Series fuse is rated 450 A, 1,300 V AC, and 1,000 V DC. It is a very-fast-acting threaded flush-end square fuse with AC/DC voltage type. The manufacturer part number is PSR073FL0450Z, and it is designed for overcurrent protection in high-power industrial circuits.
Where to buy LITTELFUSE PSR Series fuses worldwide?
3G Electric supplies the LITTELFUSE PSR073FL0450Z semiconductor fuse worldwide. As a global industrial distributor since 1990, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this very-fast-acting fuse.
How to select the correct LITTELFUSE PSR fuse for an application?
Select the PSR fuse based on system voltage (AC or DC), continuous current rating, and available fault current. The PSR073FL0450Z is suitable for 450 A circuits up to 1,300 V AC or 1,000 V DC. Always verify the fuse's interrupting rating exceeds the maximum fault current and that the mounting style matches your fuse holder.
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3G Electric supplies LITTELFUSE very-fast-acting threaded flush-end square fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
