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LITTELFUSE L50QS100.T Very-Fast-Acting Bolt-On Fuse, 100 A, 500 V AC/DC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE L50QS100.T Very-Fast-Acting Bolt-On Fuse, 100 A, 500 V AC/DC

The LITTELFUSE L50QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 100 A, 500 V AC, and 500 V DC (MPN L50QS100.T). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.

SKU 3G-OTH-25183

Also listed as: L50QS100T · L50QS100 T · L50QS100-T

Brand
LITTELFUSE
Item
L50QS100.T Very-Fast-Acting Bolt-On Fuse, 100 A, 500 V AC/DC
Part Number
L50QS100.T
Category
Very-Fast-Acting Bolt-On Fuses
Available to Order
Also known as:L50QS100.TLITTELFUSE
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

LITTELFUSE
Manufacturer Part Number
L50QS100.T
Series
L50QS
Type
Very-Fast-Acting, 100 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 100 A, 500 V AC, and 500 V DC (MPN L50QS100.T). This AC/DC fuse is designed for overcurrent protection in power electronic circuits.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the LITTELFUSE L50QS100.T semiconductor fuse used for?

The LITTELFUSE L50QS100.T is a very-fast-acting bolt-on fuse rated 100 A, 500 V AC/DC. It protects power electronic circuits—such as drives, inverters, and rectifiers—from overcurrent faults. Its fast response limits peak let-through energy, safeguarding sensitive semiconductors.

What are the specifications of the L50QS100.T fuse?

The L50QS100.T is a LITTELFUSE L50QS Series semiconductor fuse. It is very-fast-acting, rated 100 A, 500 V AC, and 500 V DC. It features a bolt-on mounting style and is designed for AC/DC overcurrent protection in power electronics.

Where to buy the LITTELFUSE L50QS100.T fuse worldwide?

3G Electric supplies the LITTELFUSE L50QS100.T fuse worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time—we provide genuine LITTELFUSE components for power protection.

How to select the correct L50QS fuse for a circuit?

Select the L50QS fuse based on continuous current (100 A for this model), system voltage (500 V AC or DC), and available fault current. 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.
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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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Very-fast-acting bolt-on fuse rated 400 A at 500 V AC and 500 V DC. Designed for overcurrent protection in power electronic circuits such as drives, inverters, and rectifiers. Bolt-on mounting ensures secure installation

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