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LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 125 A, 500 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 125 A, 500 V AC

The LITTELFUSE L50QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 125 A and 500 V AC/500 V DC (MPN L50QS125.V). Designed for AC/DC voltage applications, this fuse provides overcurrent protection…

SKU 3G-OTH-25664

Also listed as: L50QS125V · L50QS125 V · L50QS125-V

Brand
LITTELFUSE
Item
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 125 A, 500 V AC
Category
Very-Fast-Acting Bolt-On Fuses
Available to Order
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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
L50QS125.V
Series
L50QS
Type
Very-Fast-Acting, 125 A
AC
500 V
Voltage Type
AC/DC
DC DC Volt Rating
500 V

Technical Documents

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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 125 A and 500 V AC/500 V DC (MPN L50QS125.V). Designed for AC/DC voltage applications, this fuse provides overcurrent protection for 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 L50QS125.V semiconductor fuse used for?

The LITTELFUSE L50QS125.V is a very-fast-acting bolt-on fuse rated at 125 A and 500 V AC/500 V DC. It provides overcurrent protection for power electronic circuits such as drives, inverters, and UPS systems where rapid clearing of faults is critical.

What are the specifications of the L50QS125.V fuse?

The L50QS125.V is a LITTELFUSE L50QS Series very-fast-acting semiconductor fuse. It has a voltage rating of 500 V AC and 500 V DC, a current rating of 125 A, and a bolt-on mounting style. It is designed for AC/DC voltage applications.

Where to buy the LITTELFUSE L50QS125.V fuse worldwide?

3G Electric supplies the LITTELFUSE L50QS125.V fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

How to select the correct L50QS series fuse for a circuit?

Select the L50QS fuse based on the circuit's continuous current (125 A maximum for this model) and voltage (500 V AC or DC). Ensure the fuse's very-fast-acting characteristic matches the inrush profile of your power electronic load. Always consult the manufacturer's application notes.

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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