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LITTELFUSE PSR033FS1600Z Very-Fast-Acting Threaded Flush-End Square Fuse - Very-Fast-Acting Threaded Flush-End Square Fuses
LITTELFUSEVery-Fast-Acting Threaded Flush-End Square Fuses

LITTELFUSE PSR033FS1600Z Very-Fast-Acting Threaded Flush-End Square Fuse

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
PSR033FS1600Z Very-Fast-Acting Threaded Flush-End Square Fuse
Part Number
PSR033FS1600Z
Category
Very-Fast-Acting Threaded Flush-End Square Fuses
Available to Order
Also known as:PSR033FS1600ZLITTELFUSE
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Technical specs
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Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Compliance & shipping

Hazardous material
Not classified as hazardous
California Prop 65 warning
Warning appliesProp 65 warning
Licence required
No licence required
Safety Data Sheet
Not available
Special shipping
Ships under standard freight

Technical Specifications

LITTELFUSE
Manufacturer Part Number
PSR033FS1600Z
Series
PSR
Type
Very-Fast-Acting, 1.6 kA
AC
650 V
Speed
Very-Fast-Acting
Standards
CCC Certified; CE; RoHS Compliant; UL Recognized
Catalog Page
N/A
Voltage Type
AC/DC
Body Material
Ceramic
Overall Depth
4-7/32 in
Overall Width
2-7/8 in
Current Rating
1.6 kA Current Rating This describes the maximum current these devices can safely handle. Exceeding this current may cause equipment damage or create electrical shock hazards.
Overall Length
2 in Overall Length
Fuse Body Style
Square
Country of Origin
Mexico (subject to change)
DC DC Volt Rating
500 V
Visual Indication
Indicating
Square Fuse Case Size
33 Square Fuse Case Size This describes the size code that dictates the dimensions of the case as defined by DIN 43620 and 43653. As this number increases, the size of the fuse increases.
Fuse Diameter x Length
2 in
Compatible Fuse Block Series
MS Compatible Fuse Block Series This describes which series, style, or size of fuse block or holder is compatible with these fuses.

Technical Documents

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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.
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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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LITTELFUSE
Very-fast-acting threaded flush-end square fuse rated 160 A, 1300 V AC, and 1000 V DC. Designed for overcurrent protection in power electronics such as variable-frequency drives and rectifiers. AC/DC voltage type with rapid interruption capability

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