Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

LITTELFUSE Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.6 kA, 650 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, 1.6 kA, 650 V AC

The LITTELFUSE PSR Series is a very-fast-acting threaded flush-end square fuse rated at 1.6 kA, 650 V AC, and 500 V DC (MPN PSR033FS1600Z). This semiconductor fuse operates with AC/DC voltage type and is designed for…

SKU 3G-OTH-25975

Brand
LITTELFUSE
Item
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.6 kA, 650 V AC
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
PSR033FS1600Z
Series
PSR
Type
Very-Fast-Acting, 1.6 kA
AC
650 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LITTELFUSE PSR Series is a very-fast-acting threaded flush-end square fuse rated at 1.6 kA, 650 V AC, and 500 V DC (MPN PSR033FS1600Z). This semiconductor fuse operates with AC/DC voltage type and 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 PSR033FS1600Z) protects power semiconductors and DC bus circuits in industrial drives, UPS systems, and inverters from overcurrent faults. Its 1.6 kA interrupting rating and 650 V AC / 500 V DC ratings make it suitable for high-energy applications requiring rapid clearing.

What are the specifications of the LITTELFUSE PSR033FS1600Z fuse?

The LITTELFUSE PSR033FS1600Z is a very-fast-acting threaded flush-end square fuse rated at 1.6 kA, 650 V AC, and 500 V DC. It belongs to the PSR Series with AC/DC voltage type. The fuse is designed for semiconductor protection and has a DC volt rating of 500 V.

Where to buy LITTELFUSE PSR Series fuses worldwide?

3G Electric supplies the LITTELFUSE PSR Series fuse (PSR033FS1600Z) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time; we source and deliver this very-fast-acting semiconductor fuse to any location.

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

Select the LITTELFUSE PSR fuse based on system voltage (650 V AC or 500 V DC), continuous current rating, and interrupting capacity (1.6 kA). Ensure the fuse's very-fast-acting characteristic matches the inrush profile of your semiconductor load. Consult the manufacturer's data sheet for coordination with upstream protection devices.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.8 kA, 650 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1800Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.8 kA, 650 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1800Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.5 kA, 650 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1500Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.5 kA, 650 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1500Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 2 kA, 600 V AC, 500 V DC DC Volt Rating (MPN PSR033FS2000Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 2 kA, 600 V AC, 500 V DC DC Volt Rating (MPN PSR033FS2000Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.4 kA, 700 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1400Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.4 kA, 700 V AC, 500 V DC DC Volt Rating (MPN PSR033FS1400Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.25 kA, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FS1250Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 1.25 kA, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FS1250Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 160 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR071FS0160Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 160 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR071FS0160Z)

More from LITTELFUSE

View all LITTELFUSE parts
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FS0450Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FS0450Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR030FS0450Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 450 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR030FS0450Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 800 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FL0800Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 800 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR033FL0800Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 400 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR071FL0400Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 400 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR071FL0400Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 400 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR031FS0400Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 400 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR031FS0400Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR030FS0550Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 550 A, 700 V AC, 600 V DC DC Volt Rating (MPN PSR030FS0550Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 80 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR070FS0080Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 80 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR070FS0080Z)
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 200 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR070FL0200Z)
LITTELFUSE
Semiconductor Fuse: PSR Series, Very-Fast-Acting, 200 A, 1,300 V AC, 1,000 V DC DC Volt Rating (MPN PSR070FL0200Z)