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LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 700 A, 500 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 700 A, 500 V AC

The LITTELFUSE L50QS Series is a very-fast-acting bolt-on semiconductor fuse, model L50QS700.X, rated for 700 A at 500 V AC and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power…

SKU 3G-OTH-26109

Also listed as: L50QS700X · L50QS700 X · L50QS700-X

Brand
LITTELFUSE
Item
Semiconductor Fuse: L50QS Series, Very-Fast-Acting, 700 A, 500 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
L50QS700.X
Series
L50QS
Type
Very-Fast-Acting, 700 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, model L50QS700.X, rated for 700 A at 500 V AC and 500 V DC. This AC/DC voltage type fuse is designed for overcurrent protection in power electronic applications.

Frequently Asked Questions

What is the LITTELFUSE L50QS700.X fuse used for?

The LITTELFUSE L50QS700.X is a very-fast-acting bolt-on semiconductor fuse used for overcurrent protection in power electronic applications such as drives, inverters, and UPS systems. It handles 700 A at 500 V AC/DC, safeguarding sensitive components from short circuits.

What are the specifications of the L50QS700.X fuse?

The L50QS700.X is a LITTELFUSE L50QS Series very-fast-acting bolt-on fuse rated for 700 A at 500 V AC and 500 V DC. It has an AC/DC voltage type and is designed for semiconductor protection. The manufacturer part number is L50QS700.X.

Where to buy LITTELFUSE L50QS700.X fuses worldwide?

3G Electric supplies the LITTELFUSE L50QS700.X fuse worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this L50QS Series fuse globally.

How to select the correct L50QS fuse for an application?

To select the correct L50QS fuse, match the continuous current rating (700 A for L50QS700.X) and voltage rating (500 V AC/DC) to your circuit. Ensure the very-fast-acting characteristic suits semiconductor protection. Consult LITTELFUSE application notes for coordination with upstream devices.

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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