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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 250 A, 1,300 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, 250 A, 1,300 V AC

The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 250 A, 1,300 V AC, and 1,000 V DC (MPN PSR071FL0250Z). This AC/DC voltage-type fuse is designed for…

SKU 3G-OTH-27346

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 250 A, 1,300 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR071FL0250Z
Series
PSR
Type
Very-Fast-Acting, 250 A
AC
1,300 V
Voltage Type
AC/DC
DC DC Volt Rating
1,000 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 250 A, 1,300 V AC, and 1,000 V DC (MPN PSR071FL0250Z). 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 PSR071FL0250Z) protects industrial power electronics, such as variable-frequency drives, rectifiers, and UPS systems, from overcurrent faults. Its 1,300 V AC and 1,000 V DC ratings make it suitable for high-voltage AC/DC circuits in manufacturing and energy infrastructure.

What are the specifications of the LITTELFUSE PSR071FL0250Z fuse?

This PSR Series fuse is rated 250 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 PSR071FL0250Z, and it is designed by LITTELFUSE for overcurrent protection in industrial equipment.

Where to buy the LITTELFUSE PSR071FL0250Z fuse worldwide?

3G Electric supplies the LITTELFUSE PSR071FL0250Z fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this very-fast-acting fuse to any region.

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

Select the PSR fuse by matching its voltage rating (1,300 V AC or 1,000 V DC) and current rating (250 A) to your circuit's requirements. Ensure the very-fast-acting characteristic suits sensitive semiconductor protection. Consult LITTELFUSE application notes for coordination with upstream devices and ambient temperature derating.

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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