LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 125 A, 600 V AC
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
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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.
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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.














