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 PSR031FS0550Z). This AC/DC voltage-type fuse is designed for overcurrent…
SKU 3G-OTH-25791
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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 PSR031FS0550Z). 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 semiconductor fuse (MPN PSR031FS0550Z) provides very-fast-acting overcurrent protection for industrial power electronics, including drives, inverters, and UPS systems. Its 550 A rating and 700 V AC / 600 V DC capability make it suitable for high-power AC/DC circuits requiring precise fault clearing.
What are the specifications of the LITTELFUSE PSR031FS0550Z fuse?
This LITTELFUSE PSR Series fuse is rated 550 A, 700 V AC, and 600 V DC. It is a very-fast-acting threaded flush-end square fuse with AC/DC voltage type. The manufacturer part number is PSR031FS0550Z. It is designed for semiconductor protection in industrial equipment.
Where to buy the LITTELFUSE PSR031FS0550Z fuse worldwide?
3G Electric supplies the LITTELFUSE PSR031FS0550Z fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time. We source and deliver this very-fast-acting semiconductor fuse to any country.
How to select the correct LITTELFUSE PSR series fuse for an application?
Select the PSR series fuse based on continuous current (550 A for this model), system voltage (700 V AC or 600 V DC), and fault current capability. Ensure the very-fast-acting characteristic matches the semiconductor's I²t withstand. Consult the LITTELFUSE datasheet for application-specific coordination and mounting requirements.
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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.
