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 PSR072FL0550Z). This AC/DC voltage type fuse is designed for…
SKU 3G-OTH-25515
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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 PSR072FL0550Z). 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 PSR072FL0550Z) 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.
What are the specifications of the LITTELFUSE PSR072FL0550Z 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 PSR072FL0550Z, and it is designed for overcurrent protection in industrial power electronics.
Where to buy LITTELFUSE PSR Series fuses worldwide?
3G Electric supplies the LITTELFUSE PSR Series fuse (PSR072FL0550Z) to customers worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this very-fast-acting semiconductor 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. For the PSR072FL0550Z, verify that your circuit operates at or below 1,300 V AC or 1,000 V DC and that the 550 A rating matches your load. Always consult the manufacturer's application notes for coordination.
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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.
