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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 700 V AC - Very-Fast-Acting Threaded Flush-End Square Fuses
LITTELFUSEVery-Fast-Acting Threaded Flush-End Square Fuses

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 PSR032FS0550Z). This AC/DC voltage type fuse is designed for overcurrent…

SKU 3G-OTH-25821

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 700 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR032FS0550Z
Series
PSR
Type
Very-Fast-Acting, 550 A
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
600 V

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

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 PSR032FS0550Z). 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 PSR032FS0550Z) provides very-fast-acting overcurrent protection for power electronics, including drives, inverters, and UPS systems. Its 550 A rating and 700 V AC / 600 V DC capability make it suitable for industrial equipment requiring reliable short-circuit interruption.

What are the specifications of the LITTELFUSE PSR032FS0550Z fuse?

This LITTELFUSE PSR Series fuse is very-fast-acting with a threaded flush-end square body. It is rated 550 A, 700 V AC, and 600 V DC. The voltage type is AC/DC, and the manufacturer part number is PSR032FS0550Z. It is designed for semiconductor protection in high-power industrial circuits.

Where to buy the LITTELFUSE PSR032FS0550Z fuse worldwide?

3G Electric supplies the LITTELFUSE PSR032FS0550Z semiconductor 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 fuse to support your operations.

How to select the correct LITTELFUSE PSR series fuse for an application?

Select the PSR series fuse by matching its voltage rating (700 V AC / 600 V DC) and current rating (550 A) to your circuit requirements. Ensure the very-fast-acting characteristic aligns with the inrush and overload profile of your semiconductor equipment. Consult the LITTELFUSE datasheet for mounting and coordination guidelines.

Used in

Common applications for LITTELFUSE
Power electronics protection — Littelfuse PSR Series semiconductor fuses for IGBT and diode protection in variable frequency drives.
Solar photovoltaic systems — Littelfuse SPF Series fast-acting fuses for string overcurrent protection in PV arrays.
Automotive electrical systems — Littelfuse MIDI® 498 Series bolt-on fuses for battery and alternator protection in vehicles.
Industrial control panels — Littelfuse KLKD Series midget fuses for branch circuit protection in control transformers and relays.
Motor control centers — Littelfuse BLF Series fast-acting fuses for short-circuit protection of motor starters and contactors.

LITTELFUSE 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.

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