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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 700 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, 700 A, 1,300 V AC

The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 700 A, 1,300 V AC, and 1,000 V DC (MPN PSR073FL0700Z). This AC/DC voltage-type fuse is designed for…

SKU 3G-OTH-26689

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 700 A, 1,300 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR073FL0700Z
Series
PSR
Type
Very-Fast-Acting, 700 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 700 A, 1,300 V AC, and 1,000 V DC (MPN PSR073FL0700Z). 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 PSR073FL0700Z) protects industrial power electronics, including variable frequency drives, rectifiers, and UPS systems, from overcurrent faults. Its 700 A rating and 1,300 V AC / 1,000 V DC capability make it suitable for high-power semiconductor circuits.

What are the specifications of the LITTELFUSE PSR073FL0700Z fuse?

This PSR Series fuse is rated 700 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 PSR073FL0700Z, and it is designed for overcurrent protection in industrial equipment.

Where to buy LITTELFUSE PSR Series fuses worldwide?

3G Electric supplies the LITTELFUSE PSR073FL0700Z 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 any country.

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

Select the PSR fuse based on continuous current (700 A), system voltage (1,300 V AC or 1,000 V DC), and fault current capability. Ensure the very-fast-acting characteristic matches the semiconductor's I²t withstand. Consult the LITTELFUSE datasheet for mounting dimensions and cooling requirements.

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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Semiconductor Fuse: PSR Series, Very-Fast-Acting, 700 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR073FS0700Z)
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