LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 1,300 V AC
The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 550 A, 1,300 V AC, and 1,000 V DC (MPN PSR072FS0550Z). This AC/DC voltage type fuse is designed for…
SKU 3G-OTH-25526
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Product Description
The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 550 A, 1,300 V AC, and 1,000 V DC (MPN PSR072FS0550Z). 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 PSR072FS0550Z) 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 PSR072FS0550Z fuse?
This PSR Series fuse is rated 550 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 PSR072FS0550Z, and it is designed for overcurrent protection in high-power industrial circuits.
Where to buy the LITTELFUSE PSR072FS0550Z fuse worldwide?
3G Electric supplies the LITTELFUSE PSR072FS0550Z fuse to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.
How to select the correct LITTELFUSE PSR Series fuse for an application?
Select a PSR Series fuse by matching its voltage rating (AC and DC) and continuous current rating to your circuit requirements. Ensure the interrupting rating exceeds the available fault current. For semiconductor protection, choose a very-fast-acting characteristic to minimize I²t let-through. Consult the manufacturer's data sheet for coordination details.
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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.
