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LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 800 A, 500 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 800 A, 500 V AC

The LITTELFUSE L50QS Series is a very-fast-acting bolt-on semiconductor fuse, model L50QS800.X, rated for 800 A at 500 V AC and 500 V DC. This AC/DC fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-25321

Brand
LITTELFUSE
Item
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 800 A, 500 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L50QS800.X
Series
L50QS
Type
Very-Fast-Acting, 800 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 is a very-fast-acting bolt-on semiconductor fuse, model L50QS800.X, rated for 800 A at 500 V AC and 500 V DC. This AC/DC fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the LITTELFUSE L50QS800.X fuse used for?

The LITTELFUSE L50QS800.X is a very-fast-acting bolt-on semiconductor fuse used for overcurrent protection in power electronic circuits, such as inverters, drives, and UPS systems. It handles 800 A at 500 V AC/DC, safeguarding sensitive components from short circuits and overloads.

What are the specifications of the L50QS800.X fuse?

The L50QS800.X is a LITTELFUSE L50QS Series very-fast-acting bolt-on fuse. It is rated for 800 A at 500 V AC and 500 V DC, with AC/DC voltage type. The manufacturer part number is L50QS800.X, and it is designed for semiconductor protection in power electronics.

Where to buy the LITTELFUSE L50QS800.X fuse worldwide?

You can source the LITTELFUSE L50QS800.X fuse worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this very-fast-acting semiconductor fuse.

How to select the correct L50QS series fuse for a circuit?

To select the correct L50QS series fuse, match the voltage rating (500 V AC/DC) and current rating (e.g., 800 A for L50QS800.X) to your circuit's requirements. Ensure the fuse's very-fast-acting characteristic protects semiconductor devices. Consult the LITTELFUSE datasheet for application-specific coordination and mounting details.

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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