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LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 90 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, 90 A, 750 V DC DC Volt Rating

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS090.V, rated for 90 A at 750 V DC. This non-indicating fuse is designed for DC-only applications, providing overcurrent…

SKU 3G-OTH-25796

Also listed as: L75QS090V · L75QS090 V · L75QS090-V

Brand
LITTELFUSE
Item
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 90 A, 750 V DC DC Volt Rating
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L75QS090.V
Series
L75QS
Type
Very-Fast-Acting, 90 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 L75QS090.V, rated for 90 A at 750 V DC. This non-indicating fuse is designed for DC-only applications, providing overcurrent protection for power electronic circuits.

Frequently Asked Questions

What is the LITTELFUSE L75QS090.V semiconductor fuse used for?

The LITTELFUSE L75QS090.V is a very-fast-acting bolt-on fuse used for overcurrent protection in DC power electronic circuits, such as inverters, drives, and DC power supplies. Its 750 V DC rating and 90 A capacity make it suitable for high-voltage DC applications where rapid fault clearing is critical.

What are the specifications of the L75QS090.V fuse?

The L75QS090.V is a LITTELFUSE L75QS Series very-fast-acting, non-indicating semiconductor fuse. It is rated for 90 A at 750 V DC only. The fuse has a bolt-on mounting style and is designed for DC applications requiring precise overcurrent protection.

Where to buy the L75QS090.V fuse worldwide?

3G Electric supplies the LITTELFUSE L75QS090.V 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; we source and deliver this fuse to support your DC power protection needs.

How to select the correct L75QS series fuse for a DC circuit?

To select the correct L75QS fuse, match the DC voltage rating (750 V DC) and continuous current rating (90 A for the L75QS090.V) to your circuit requirements. Ensure the fuse's very-fast-acting characteristic aligns with the inrush current of your semiconductor devices. 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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