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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 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, 450 A, 1,300 V AC

The LITTELFUSE PSR Series Semiconductor Fuse (MPN PSR072FS0450Z) is a very-fast-acting threaded flush-end square fuse rated at 450 A, 1,300 V AC, and 1,000 V DC. This AC/DC voltage type fuse is designed for…

SKU 3G-OTH-26522

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 1,300 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR072FS0450Z
Series
PSR
Type
Very-Fast-Acting, 450 A
AC
1,300 V
Voltage Type
AC/DC
DC DC Volt Rating
1,000 V

Technical Documents

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

Product Description

The LITTELFUSE PSR Series Semiconductor Fuse (MPN PSR072FS0450Z) is a very-fast-acting threaded flush-end square fuse rated at 450 A, 1,300 V AC, and 1,000 V DC. 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 PSR072FS0450Z) provides very-fast-acting overcurrent protection for industrial equipment such as power supplies, inverters, and drives. It is rated at 450 A, 1,300 V AC, and 1,000 V DC, making it suitable for high-power AC/DC circuits.

What are the specifications of the LITTELFUSE PSR072FS0450Z fuse?

The LITTELFUSE PSR072FS0450Z is a very-fast-acting threaded flush-end square fuse from the PSR series. It has a current rating of 450 A, AC voltage rating of 1,300 V, and DC voltage rating of 1,000 V. It is an AC/DC voltage type fuse designed for semiconductor protection.

Where to buy the LITTELFUSE PSR072FS0450Z fuse worldwide?

3G Electric supplies the LITTELFUSE PSR072FS0450Z fuse worldwide. As a global industrial equipment 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 operations.

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

To select the correct LITTELFUSE PSR series fuse, match the voltage rating (AC/DC) and current rating to your circuit requirements. The PSR072FS0450Z is rated at 450 A, 1,300 V AC, and 1,000 V DC. Ensure the fuse's interrupting rating exceeds the available fault current. Consult the manufacturer's data sheet for 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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