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LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 600 A, 750 V DC DC Volt Rating - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 600 A, 750 V DC DC Volt Rating

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS600.X, rated for 600 A at 750 V DC. This DC-only fuse is designed for overcurrent protection in power electronic circuits.

SKU 3G-OTH-26191

Also listed as: L75QS600X · L75QS600 X · L75QS600-X

Brand
LITTELFUSE
Item
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 600 A, 750 V DC DC Volt Rating
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L75QS600.X
Series
L75QS
Type
Very-Fast-Acting, 600 A, Non-Indicating
Voltage Type
DC Only
DC DC Volt Rating
750 V

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

Product Description

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS600.X, rated for 600 A at 750 V DC. This DC-only fuse is designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the LITTELFUSE L75QS600.X fuse used for?

The LITTELFUSE L75QS600.X is a very-fast-acting bolt-on semiconductor fuse used for overcurrent protection in power electronic circuits. It is rated for 600 A at 750 V DC and is designed for DC-only applications such as inverters, drives, and power supplies.

What are the specifications of the L75QS600.X fuse?

The L75QS600.X is a LITTELFUSE L75QS Series very-fast-acting bolt-on fuse. It has a DC-only voltage rating of 750 V DC and a current rating of 600 A. The fuse is non-indicating and designed for bolt-on mounting in semiconductor protection applications.

Where to buy the LITTELFUSE L75QS600.X fuse worldwide?

3G Electric supplies the LITTELFUSE L75QS600.X fuse worldwide. As 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 L75QS fuse for a DC circuit?

To select the correct L75QS fuse, match the DC voltage rating (750 V DC for this series) and ensure the continuous current rating (600 A for the L75QS600.X) exceeds the normal operating current. Consider the very-fast-acting characteristic for sensitive semiconductor protection. Consult LITTELFUSE application notes for coordination.

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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