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LITTELFUSE Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 600 A, 700 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 600 A, 700 V AC

The LITTELFUSE L70QS Series is a very-fast-acting bolt-on semiconductor fuse, model L70QS600.X, rated for 600 A at 700 V AC and 700 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power…

SKU 3G-OTH-26150

Also listed as: L70QS600X · L70QS600 X · L70QS600-X

Brand
LITTELFUSE
Item
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 600 A, 700 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L70QS600.X
Series
L70QS
Type
Very-Fast-Acting, 600 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 L70QS600.X, rated for 600 A at 700 V AC and 700 V DC. This AC/DC voltage-type fuse is designed for overcurrent protection in power electronic applications.

Frequently Asked Questions

What is the LITTELFUSE L70QS600.X semiconductor fuse used for?

The LITTELFUSE L70QS600.X is a very-fast-acting bolt-on fuse designed for overcurrent protection in power electronic applications such as drives, inverters, and UPS systems. It protects sensitive semiconductor devices from short circuits and overloads in AC or DC circuits up to 700 V.

What are the specifications of the L70QS600.X fuse?

The L70QS600.X is a 600 A, very-fast-acting semiconductor fuse rated for 700 V AC and 700 V DC. It is part of the LITTELFUSE L70QS Series, with a bolt-on mounting style. The voltage type is AC/DC, making it suitable for both alternating and direct current power systems.

Where to buy the LITTELFUSE L70QS600.X fuse worldwide?

3G Electric supplies the LITTELFUSE L70QS600.X fuse to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this very-fast-acting semiconductor fuse.

How to select the correct L70QS fuse for my application?

To select the correct L70QS fuse, match the continuous current rating (600 A for the L70QS600.X) to your circuit's normal load, and ensure the voltage rating (700 V AC/DC) exceeds your system voltage. Verify the interrupting rating and physical dimensions for your fuse holder. Consult LITTELFUSE application notes for semiconductor protection.

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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