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LITTELFUSE L70QS350.X Very-Fast-Acting Bolt-On Fuse, 350 A, 700 V AC/DC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE L70QS350.X Very-Fast-Acting Bolt-On Fuse, 350 A, 700 V AC/DC

The LITTELFUSE L70QS Series is a very-fast-acting bolt-on semiconductor fuse, model L70QS350.X, rated at 350 A and 700 V AC/700 V DC. This fuse is designed for overcurrent protection in power electronic circuits…

SKU 3G-OTH-25744

Also listed as: L70QS350X · L70QS350 X · L70QS350-X

Brand
LITTELFUSE
Item
L70QS350.X Very-Fast-Acting Bolt-On Fuse, 350 A, 700 V AC/DC
Part Number
L70QS350.X
Category
Very-Fast-Acting Bolt-On Fuses
Available to Order
Also known as:L70QS350.XLITTELFUSE
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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
L70QS350.X
Series
L70QS
Type
Very-Fast-Acting, 350 A
AC
700 V
Voltage Type
AC/DC
DC DC Volt Rating
700 V

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LITTELFUSE Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The LITTELFUSE L70QS Series is a very-fast-acting bolt-on semiconductor fuse, model L70QS350.X, rated at 350 A and 700 V AC/700 V DC. This fuse is designed for overcurrent protection in power electronic circuits, with a bolt-on mounting style for secure installation.

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 L70QS350.X fuse used for?

The LITTELFUSE L70QS350.X is a very-fast-acting bolt-on semiconductor fuse rated at 350 A and 700 V AC/700 V DC. It provides overcurrent protection in power electronic circuits such as variable frequency drives, UPS systems, and rectifiers, where rapid fault clearing is critical to safeguard sensitive components.

What are the specifications of the L70QS350.X fuse?

The L70QS350.X is a LITTELFUSE L70QS Series very-fast-acting bolt-on fuse. It has a current rating of 350 A, AC voltage rating of 700 V, and DC voltage rating of 700 V. The voltage type is AC/DC, and the mounting style is bolt-on for secure installation in industrial equipment.

Where to buy LITTELFUSE L70QS350.X fuses worldwide?

3G Electric supplies the LITTELFUSE L70QS350.X fuse worldwide. As a global industrial equipment distributor established in 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this fuse to any country.

How to select the correct L70QS series fuse for my application?

To select the correct L70QS fuse, match the continuous current rating (e.g., 350 A) to your circuit's normal load, ensure the voltage rating (700 V AC/700 V DC) exceeds your system voltage, and verify the bolt-on mounting fits your panel. Always consult the LITTELFUSE datasheet for interrupting capacity and application guidelines.

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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