LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 700 V AC
The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 550 A, 700 V AC, and 600 V DC (MPN PSR033FL0550Z). This AC/DC voltage type fuse is designed for overcurrent…
SKU 3G-OTH-25874
Local availability & support — Singapore
- Local office
- 20 Woodlands Link #09-05, Singapore 738733
- Phone
- +65 8878 8355
- Delivery
- Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
- Payment
- Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
- Ships to
- Singapore
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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, 700 V AC, and 600 V DC (MPN PSR033FL0550Z). This AC/DC voltage type fuse is designed for overcurrent protection in industrial equipment.
Frequently Asked Questions
What is the LITTELFUSE PSR033FL0550Z semiconductor fuse used for?
The LITTELFUSE PSR Series very-fast-acting fuse (PSR033FL0550Z) protects industrial power electronics, drives, and inverters from overcurrent. Rated 550 A, 700 V AC, 600 V DC, it clears faults quickly to safeguard sensitive semiconductor circuits in manufacturing and process equipment.
What are the specifications of the LITTELFUSE PSR033FL0550Z?
This PSR Series fuse is very-fast-acting, rated 550 A, 700 V AC, and 600 V DC. It is a threaded flush-end square design for bolted connections. The AC/DC voltage type makes it suitable for both AC and DC circuits in industrial power systems.
Where to buy the LITTELFUSE PSR033FL0550Z worldwide?
3G Electric supplies the LITTELFUSE PSR033FL0550Z semiconductor fuse worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for a quote and lead time on this very-fast-acting 550 A fuse for industrial overcurrent protection.
How to select the correct LITTELFUSE PSR series fuse for an application?
Select a PSR fuse by matching the continuous current rating (550 A for this model) to your load, and ensure the voltage rating (700 V AC / 600 V DC) exceeds your system voltage. Verify the interrupting rating and physical mounting style—threaded flush-end for bolted bus bars.
Used in
Common applications for LITTELFUSELITTELFUSE Products
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.
