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LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.4 kA, 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, 1.4 kA, 700 V AC

The LITTELFUSE PSR Series Semiconductor Fuse is a very-fast-acting threaded flush-end square fuse rated at 1.4 kA, 700 V AC, and 500 V DC (MPN PSR033FS1400Z). This AC/DC voltage type fuse is designed for overcurrent…

SKU 3G-OTH-25955

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.4 kA, 700 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
PSR033FS1400Z
Series
PSR
Type
Very-Fast-Acting, 1.4 kA
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

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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 1.4 kA, 700 V AC, and 500 V DC (MPN PSR033FS1400Z). 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 PSR033FS1400Z) protects industrial power electronics, including drives, inverters, and UPS systems, from overcurrent faults. Its 1.4 kA rating and 700 V AC / 500 V DC capability make it suitable for high-power semiconductor circuits requiring rapid clearing.

What are the specifications of the LITTELFUSE PSR033FS1400Z fuse?

This LITTELFUSE PSR Series fuse is rated 1.4 kA at 700 V AC and 500 V DC. It is a very-fast-acting threaded flush-end square fuse with AC/DC voltage type. The manufacturer part number is PSR033FS1400Z. It is designed for overcurrent protection in industrial equipment.

Where to buy the LITTELFUSE PSR033FS1400Z fuse worldwide?

3G Electric supplies the LITTELFUSE PSR033FS1400Z semiconductor 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 support your operations.

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

Select the LITTELFUSE PSR fuse based on system voltage (AC or DC), continuous current, and available fault current. For the PSR033FS1400Z, verify the circuit operates within 700 V AC or 500 V DC and that the 1.4 kA rating matches the overcurrent protection requirements. Consult the fuse's time-current curve for coordination.

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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