We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 150 A, 600 V AC - Fast-Acting Bolt-On Fuses
LITTELFUSEFast-Acting Bolt-On Fuses

LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 150 A, 600 V AC

The LITTELFUSE JLS Series is a fast-acting bolt-on fuse, part of Class J. This specific model, MPN JLS150, is rated for 150 A and 600 V AC, with a non-indicating design.

SKU 3G-OTH-25752

Also listed as: JLS 150 · JLS-150

Brand
LITTELFUSE
Item
Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 150 A, 600 V AC
Category
Fast-Acting Bolt-On Fuses
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
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
JLS150
Series
JLS
Type
Class J, Bolt-On Body, Fast-Acting, 150 A, Non-Indicating
AC
600 V

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The LITTELFUSE JLS Series is a fast-acting bolt-on fuse, part of Class J. This specific model, MPN JLS150, is rated for 150 A and 600 V AC, with a non-indicating design.

Frequently Asked Questions

What is the LITTELFUSE JLS150 fuse used for?

The LITTELFUSE JLS150 is a fast-acting Class J bolt-on fuse rated 150 A and 600 V AC. It protects industrial electrical circuits from overcurrents in motor control centers, panelboards, and switchgear where high interrupting capacity and space-saving bolt-on mounting are required.

What are the specifications of the LITTELFUSE JLS150?

The LITTELFUSE JLS150 is a Class J, bolt-on body, fast-acting, non-indicating fuse rated 150 A and 600 V AC. It is part of the JLS Series and carries manufacturer part number JLS150. Its compact design fits standard Class J fuse holders for reliable overcurrent protection.

Where to buy the LITTELFUSE JLS150 worldwide?

3G Electric supplies the LITTELFUSE JLS150 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 fast-acting Class J fuse rated 150 A and 600 V AC.

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 (e.g., 150 A for the JLS150) to your circuit requirements. Ensure the Class J bolt-on body fits your fuse holder. Consult a qualified engineer for coordination with upstream protection devices.

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 fast-acting bolt-on fuses. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 90 A, 600 V AC, Non-Indicating (MPN JLS090)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 90 A, 600 V AC, Non-Indicating (MPN JLS090)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 110 A, 600 V AC, Non-Indicating (MPN JLS110)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 110 A, 600 V AC, Non-Indicating (MPN JLS110)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 350 A, 600 V AC, Non-Indicating (MPN JLS350)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 350 A, 600 V AC, Non-Indicating (MPN JLS350)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN JLS080)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 80 A, 600 V AC, Non-Indicating (MPN JLS080)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 125 A, 600 V AC, Non-Indicating (MPN JLS125)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 125 A, 600 V AC, Non-Indicating (MPN JLS125)

More from LITTELFUSE

View all LITTELFUSE parts
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 400 A, 600 V AC, Non-Indicating (MPN JLS400)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 400 A, 600 V AC, Non-Indicating (MPN JLS400)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 100 A, 600 V AC, Non-Indicating (MPN JLS100)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 100 A, 600 V AC, Non-Indicating (MPN JLS100)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 175 A, 600 V AC, Non-Indicating (MPN JLS175)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 175 A, 600 V AC, Non-Indicating (MPN JLS175)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 250 A, 600 V AC, Non-Indicating (MPN JLS250)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 250 A, 600 V AC, Non-Indicating (MPN JLS250)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 70 A, 600 V AC, Non-Indicating (MPN JLS070)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 70 A, 600 V AC, Non-Indicating (MPN JLS070)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 225 A, 600 V AC, Non-Indicating (MPN JLS225)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 225 A, 600 V AC, Non-Indicating (MPN JLS225)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN JLS200)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 200 A, 600 V AC, Non-Indicating (MPN JLS200)
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 300 A, 600 V AC, Non-Indicating (MPN JLS300)
LITTELFUSE
LITTELFUSE Fuse: JLS Series, Class J, Bolt-On Body, Fast-Acting, 300 A, 600 V AC, Non-Indicating (MPN JLS300)