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LITTELFUSE L75QS040.V Very-Fast-Acting Bolt-On Fuse, 40 A, 750 V DC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE L75QS040.V Very-Fast-Acting Bolt-On Fuse, 40 A, 750 V DC

The LITTELFUSE L75QS Series is a very-fast-acting bolt-on semiconductor fuse, model L75QS040.V, rated at 40 A and 750 V DC. This DC-only fuse is non-indicating and designed for overcurrent protection in power…

SKU 3G-OTH-25124

Also listed as: L75QS040V · L75QS040 V · L75QS040-V

Brand
LITTELFUSE
Item
L75QS040.V Very-Fast-Acting Bolt-On Fuse, 40 A, 750 V DC
Part Number
L75QS040.V
Category
Very-Fast-Acting Bolt-On Fuses
Available to Order
Also known as:L75QS040.VLITTELFUSE
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L75QS040.V
Series
L75QS
Type
Very-Fast-Acting, 40 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 L75QS040.V, rated at 40 A and 750 V DC. This DC-only fuse is non-indicating and designed for overcurrent protection in power electronic circuits.

Frequently Asked Questions

What is the LITTELFUSE L75QS040.V semiconductor fuse used for?

The LITTELFUSE L75QS040.V is a very-fast-acting bolt-on fuse used for overcurrent protection in power electronic circuits such as drives, inverters, and DC power supplies. Its 750 V DC rating makes it suitable for high-voltage DC applications where rapid fault clearing is critical.

What are the specifications of the L75QS040.V fuse?

The L75QS040.V is a LITTELFUSE L75QS Series very-fast-acting, non-indicating semiconductor fuse rated at 40 A and 750 V DC. It is a DC-only, bolt-on design for reliable overcurrent protection in power electronics. 3G Electric supplies this fuse globally.

Where to buy LITTELFUSE L75QS040.V worldwide?

3G Electric supplies the LITTELFUSE L75QS040.V semiconductor fuse to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us to order this very-fast-acting 40 A, 750 V DC fuse for your power electronic protection needs.

How to select a very-fast-acting fuse for DC circuits?

Select a very-fast-acting fuse like the LITTELFUSE L75QS040.V by matching its voltage rating (750 V DC) and current rating (40 A) to your circuit. Ensure the fuse is DC-rated and bolt-on for secure mounting. 3G Electric can help you source the correct L75QS series fuse for your application.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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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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