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LITTELFUSE JLS125 Class J Fast-Acting Bolt-On Fuse - Fast-Acting Bolt-On Fuses
LITTELFUSEFast-Acting Bolt-On Fuses

LITTELFUSE JLS125 Class J Fast-Acting Bolt-On Fuse

The LITTELFUSE JLS Series is a fast-acting bolt-on fuse, specifically a Class J, non-indicating model with a 125 A rating and 600 V AC capacity (MPN JLS125). This fuse features a bolt-on body design for secure…

SKU 3G-OTH-25339

Also listed as: JLS 125 · JLS-125

Brand
LITTELFUSE
Item
JLS125 Class J Fast-Acting Bolt-On Fuse
Part Number
JLS125
Category
Fast-Acting Bolt-On Fuses
Available to Order
Also known as:JLS125LITTELFUSE
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
JLS125
Series
JLS
Type
Class J, Bolt-On Body, Fast-Acting, 125 A, Non-Indicating
AC
600 V

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

Product Description

The LITTELFUSE JLS Series is a fast-acting bolt-on fuse, specifically a Class J, non-indicating model with a 125 A rating and 600 V AC capacity (MPN JLS125). This fuse features a bolt-on body design for secure installation in industrial equipment.

Frequently Asked Questions

What is the LITTELFUSE JLS125 fuse used for?

The LITTELFUSE JLS125 is a fast-acting, Class J bolt-on fuse rated 125 A and 600 V AC. It is used for overcurrent protection in industrial equipment such as motor control centers, panelboards, and switchgear where secure bolt-on mounting and high interrupting capacity are required.

What are the specifications of the LITTELFUSE JLS125?

The LITTELFUSE JLS125 is part of the JLS Series, a Class J, fast-acting, non-indicating bolt-on fuse. It has a current rating of 125 A and a voltage rating of 600 V AC. The manufacturer part number is JLS125, and it features a bolt-on body design for secure installation.

Where to buy LITTELFUSE JLS125 fuses worldwide?

You can source the LITTELFUSE JLS125 fuse from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we source and deliver this fuse to your location.

How to select the correct LITTELFUSE JLS fuse for an application?

To select the correct LITTELFUSE JLS fuse, match the voltage rating (600 V AC) and current rating (125 A for the JLS125) to your circuit requirements. Ensure the Class J rejection-style holder is used for proper fit. The fast-acting characteristic is ideal for protecting sensitive electronics from short circuits.

Used in

Common applications for LITTELFUSE
Industrial drives — Littelfuse PSR series semiconductor fuses for overcurrent protection of variable-frequency drives and DC bus circuits.
Branch circuit protection — Littelfuse CCMR series time-delay fuses in control panels and distribution boards.
Compact equipment — Littelfuse SLC series Class G fuses in rejection-style holders for space-constrained branch circuits.
Main service entrance — Littelfuse KLPC series Class L bolt-on fuses for high-current industrial power distribution.
Motor circuits — Littelfuse FLSR series Class RK5 time-delay fuses for motor branch circuits and transformers.
Power supplies — Littelfuse 473 series axial-lead time-delay fuses for solder-in protection in power supplies and instrumentation.
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LITTELFUSE Products

3G Electric supplies LITTELFUSE 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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