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LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 700 A, 600 V AC - Time-Delay Bolt-On Fuses
LITTELFUSETime-Delay Bolt-On Fuses

LITTELFUSE Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 700 A, 600 V AC

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU700.X) is a 700 A, 600 V AC, 300 V DC industrial fuse. It features a bolt-on body and time-delay operation for overcurrent protection.

SKU 3G-OTH-25788

Also listed as: KLLU700X · KLLU700 X · KLLU700-X

Brand
LITTELFUSE
Item
Fuse: Class L, KLLU Series, Bolt-On Body, Time-Delay, 700 A, 600 V AC
Category
Time-Delay Bolt-On Fuses
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

LITTELFUSE
Manufacturer Part Number
KLLU700.X
Series
KLLU
Type
KLLU Series, Bolt-On Body, Time-Delay, 700 A
AC
600 V
DC
300 V

Technical Documents

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

Product Description

The LITTELFUSE KLLU Series Class L Time-Delay Bolt-On Fuse (MPN KLLU700.X) is a 700 A, 600 V AC, 300 V DC industrial fuse. It features a bolt-on body and time-delay operation for overcurrent protection.

Frequently Asked Questions

What is the LITTELFUSE KLLU700.X fuse used for?

The LITTELFUSE KLLU700.X is a 700 A, 600 V AC, 300 V DC Class L time-delay bolt-on fuse used for overcurrent protection in industrial power distribution, motor circuits, and feeder applications. Its time-delay characteristic handles inrush currents without nuisance opening.

What are the specifications of the LITTELFUSE KLLU700.X?

The LITTELFUSE KLLU700.X is a KLLU Series Class L bolt-on fuse rated 700 A, 600 V AC, 300 V DC. It features a time-delay design for overcurrent protection in high-current industrial circuits. The bolt-on body ensures secure mounting in fuse blocks or disconnects.

Where to buy the LITTELFUSE KLLU700.X worldwide?

3G Electric supplies the LITTELFUSE KLLU700.X Class L time-delay fuse to customers worldwide. As a global industrial sourcing partner, we handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this KLLU Series fuse.

How to select the correct LITTELFUSE KLLU700.X fuse for an application?

Select the LITTELFUSE KLLU700.X by matching its 700 A rating, 600 V AC or 300 V DC voltage, and Class L rejection style to your overcurrent protection requirements. Verify the bolt-on mounting fits your fuse block. Consult a qualified engineer for coordination studies.

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 time-delay 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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Compatible alternatives & equivalents

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