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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 40 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, 40 A, 700 V AC

The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 40 A, 700 V AC, and 600 V DC (MPN PSR030FS0040Z). This AC/DC voltage type fuse is designed for overcurrent…

SKU 3G-OTH-26948

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 40 A, 700 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
PSR030FS0040Z
Series
PSR
Type
Very-Fast-Acting, 40 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 40 A, 700 V AC, and 600 V DC (MPN PSR030FS0040Z). 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 PSR030FS0040Z) provides very-fast-acting overcurrent protection for industrial power electronics, including drives, inverters, and UPS systems. Its 40 A rating and 700 V AC / 600 V DC capability make it suitable for safeguarding sensitive semiconductor circuits in manufacturing and energy equipment.

What are the specifications of the LITTELFUSE PSR030FS0040Z fuse?

The LITTELFUSE PSR030FS0040Z is a very-fast-acting threaded flush-end square fuse rated at 40 A, 700 V AC, and 600 V DC. It belongs to the PSR series and is designed for AC/DC voltage applications. The fuse features a compact square body with threaded flush-end terminals for secure mounting in industrial control panels.

Where to buy the LITTELFUSE PSR series fuse in worldwide?

3G Electric supplies the LITTELFUSE PSR series fuse (MPN PSR030FS0040Z) to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact 3G Electric for pricing and lead time on this very-fast-acting semiconductor fuse.

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

To select the correct LITTELFUSE PSR series fuse, match the voltage rating (700 V AC / 600 V DC) and current rating (40 A for PSR030FS0040Z) to your circuit requirements. Ensure the very-fast-acting characteristic aligns with the inrush current of your semiconductor load. Consult the manufacturer's data sheet for time-current curves and I²t values.

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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