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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 900 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, 900 A, 700 V AC

The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 900 A, 700 V AC, and 600 V DC (MPN PSR033FL0900Z). This AC/DC voltage type fuse is designed for overcurrent…

SKU 3G-OTH-25611

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 900 A, 700 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR033FL0900Z
Series
PSR
Type
Very-Fast-Acting, 900 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 900 A, 700 V AC, and 600 V DC (MPN PSR033FL0900Z). 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 PSR033FL0900Z) protects power semiconductors and industrial equipment from overcurrent. It is commonly applied in variable-speed drives, UPS systems, and power supplies where fast fault clearing is critical to prevent damage to sensitive components.

What are the specifications of the LITTELFUSE PSR033FL0900Z fuse?

This LITTELFUSE PSR Series fuse is rated 900 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 PSR033FL0900Z. These ratings ensure reliable overcurrent protection in demanding industrial circuits.

Where to buy LITTELFUSE PSR033FL0900Z worldwide?

3G Electric supplies the LITTELFUSE PSR033FL0900Z 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 fuse to support your maintenance or production needs.

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

Select the LITTELFUSE PSR fuse based on your circuit's continuous current (900 A for this model), maximum AC voltage (700 V), and DC voltage (600 V). Ensure the very-fast-acting characteristic matches your semiconductor's surge withstand. Always verify the threaded flush-end mounting style fits your fuse holder.

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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