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LITTELFUSE Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 800 A, 700 V AC - Very-Fast-Acting Bolt-On Fuses
LITTELFUSEVery-Fast-Acting Bolt-On Fuses

LITTELFUSE Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 800 A, 700 V AC

The LITTELFUSE L70QS Series is a very-fast-acting bolt-on semiconductor fuse rated at 800 A, 700 V AC, and 700 V DC (MPN L70QS800.X). This AC/DC fuse is designed for overcurrent protection in power electronic…

SKU 3G-OTH-25551

Brand
LITTELFUSE
Item
Semiconductor Fuse: L70QS Series, Very-Fast-Acting, 800 A, 700 V AC
Category
Very-Fast-Acting Bolt-On Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
L70QS800.X
Series
L70QS
Type
Very-Fast-Acting, 800 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 rated at 800 A, 700 V AC, and 700 V DC (MPN L70QS800.X). This AC/DC fuse is designed for overcurrent protection in power electronic applications.

Frequently Asked Questions

What is the LITTELFUSE L70QS800.X fuse used for?

The LITTELFUSE L70QS800.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 protects sensitive components from short circuits and overloads in AC/DC circuits up to 700 V.

What are the specifications of the L70QS800.X fuse?

The L70QS800.X is a 800 A, very-fast-acting fuse from the LITTELFUSE L70QS Series. It is rated for 700 V AC and 700 V DC, with a bolt-on mounting style. The voltage type is AC/DC, and the manufacturer part number is L70QS800.X.

Where to buy LITTELFUSE L70QS800.X worldwide?

You can source the LITTELFUSE L70QS800.X worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct L70QS fuse for my application?

To select the correct L70QS fuse, match the voltage rating (700 V AC/DC) and current rating (800 A) to your circuit requirements. Ensure the bolt-on mounting style fits your fuse holder. For semiconductor protection, choose very-fast-acting fuses like the LITTELFUSE L70QS to minimize damage during faults.

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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