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LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 300 A, 500 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 300 A, 500 V AC

The LITTELFUSE L50QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 300 A, 500 V AC, and 500 V DC (MPN L50QS300.V). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.

SKU 3G-OTH-25411

Brand
LITTELFUSE
Item
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 300 A, 500 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L50QS300.V
Series
L50QS
Type
Very-Fast-Acting, 300 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 rated at 300 A, 500 V AC, and 500 V DC (MPN L50QS300.V). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the LITTELFUSE L50QS300.V fuse used for?

The LITTELFUSE L50QS300.V 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 300 A at 500 V AC or 500 V DC, safeguarding sensitive components from short circuits.

What are the specifications of the L50QS300.V fuse?

The L50QS300.V is a 300 A, very-fast-acting semiconductor fuse from the LITTELFUSE L50QS Series. It is rated for 500 V AC and 500 V DC, with a bolt-on mounting style. The voltage type is AC/DC, and the manufacturer part number is L50QS300.V.

Where to buy the LITTELFUSE L50QS300.V fuse worldwide?

You can source the LITTELFUSE L50QS300.V 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.

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

To select the correct L50QS fuse, match the voltage rating (500 V AC or DC) and current rating (300 A for the L50QS300.V) to your circuit requirements. Ensure the very-fast-acting characteristic suits your semiconductor protection needs. Consult the LITTELFUSE datasheet for mounting and clearance 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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