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LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 450 A, 500 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 450 A, 500 V AC

The LITTELFUSE L50QS Series Semiconductor Fuse is a very-fast-acting bolt-on fuse designed for AC/DC circuit protection. The L50QS450.X model is rated for 450 A at 500 V AC and 500 V DC. This fuse provides…

SKU 3G-OTH-25438

Brand
LITTELFUSE
Item
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 450 A, 500 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L50QS450.X
Series
L50QS
Type
Very-Fast-Acting, 450 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V
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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE L50QS Series Semiconductor Fuse is a very-fast-acting bolt-on fuse designed for AC/DC circuit protection. The L50QS450.X model is rated for 450 A at 500 V AC and 500 V DC. This fuse provides overcurrent protection for power electronic applications.

Frequently Asked Questions

What is the LITTELFUSE L50QS450.X fuse used for?

The LITTELFUSE L50QS450.X is a very-fast-acting semiconductor fuse used for overcurrent protection in power electronic applications such as drives, inverters, and UPS systems. It safeguards AC/DC circuits rated up to 500 V AC and 500 V DC at 450 A.

What are the specifications of the L50QS450.X fuse?

The L50QS450.X is a 450 A, very-fast-acting bolt-on fuse from the LITTELFUSE L50QS series. It is rated for 500 V AC and 500 V DC, with AC/DC voltage type. The manufacturer part number is L50QS450.X, and it is designed for semiconductor protection.

Where to buy the LITTELFUSE L50QS450.X fuse worldwide?

You can source the LITTELFUSE L50QS450.X fuse through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your power electronic protection needs.

How to select the correct L50QS series fuse for my application?

Select the L50QS fuse based on your circuit's continuous current rating and maximum voltage. For the L50QS450.X, ensure your system operates at or below 500 V AC/DC and 450 A. Always verify the fuse's interrupting rating and mounting style (bolt-on) match your equipment.

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 bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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