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LITTELFUSE Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 150 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, 150 A, 750 V DC DC Volt Rating

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS150.V, rated for 150 A at 750 V DC. This non-indicating fuse is designed for DC-only applications requiring rapid overcurrent…

SKU 3G-OTH-25227

Also listed as: L75QS150V · L75QS150 V · L75QS150-V

Brand
LITTELFUSE
Item
Semiconductor Fuse: L75QS Series, Very-Fast-Acting, 150 A, 750 V DC DC Volt Rating
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L75QS150.V
Series
L75QS
Type
Very-Fast-Acting, 150 A, Non-Indicating
Voltage Type
DC Only
DC DC Volt Rating
750 V

Technical Documents

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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 L75QS150.V, rated for 150 A at 750 V DC. This non-indicating fuse is designed for DC-only applications requiring rapid overcurrent protection.

Frequently Asked Questions

What is the LITTELFUSE L75QS150.V semiconductor fuse used for?

The LITTELFUSE L75QS150.V is a very-fast-acting bolt-on fuse used for DC overcurrent protection in power electronics, inverters, and battery systems. It rapidly clears faults to safeguard sensitive semiconductor devices in industrial equipment.

What are the specifications of the L75QS150.V fuse?

The L75QS150.V is a 150 A, 750 V DC rated, very-fast-acting, non-indicating bolt-on fuse from the LITTELFUSE L75QS Series. It is designed for DC-only circuits and provides rapid overcurrent interruption for semiconductor protection.

Where to buy the LITTELFUSE L75QS150.V worldwide?

3G Electric supplies the LITTELFUSE L75QS150.V worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to select the correct L75QS fuse for a DC application?

Select the L75QS fuse based on the system's DC voltage (up to 750 V) and continuous current (150 A for the L75QS150.V). Ensure the fuse's very-fast-acting characteristic matches the inrush profile of your semiconductor load. 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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