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

3G Electric
LITTELFUSE JLS050 Fast-Acting Cylindrical Fuse - Fast-Acting Cylindrical Fuses
LITTELFUSEFast-Acting Cylindrical Fuses

LITTELFUSE JLS050 Fast-Acting Cylindrical Fuse

The LITTELFUSE JLS Series is a fast-acting cylindrical fuse, specifically a Class J, 50 A, 600 V AC non-indicating model (MPN JLS050). This fuse is designed for overcurrent protection in industrial electrical circuits.

SKU 3G-OTH-133095

Also listed as: JLS 050 · JLS-050

Brand
LITTELFUSE
Item
JLS050 Fast-Acting Cylindrical Fuse
Part Number
JLS050
Category
Fast-Acting Cylindrical Fuses
Available to Order
Also known as:JLS050LITTELFUSE
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
JLS050
Type
Class J, Cylindrical Body, Fast-Acting, 50 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 cylindrical fuse, specifically a Class J, 50 A, 600 V AC non-indicating model (MPN JLS050). This fuse is designed for overcurrent protection in industrial electrical circuits.

Frequently Asked Questions

What is the LITTELFUSE JLS050 fuse used for?

The LITTELFUSE JLS050 is a fast-acting Class J cylindrical fuse rated 50 A and 600 V AC. It provides overcurrent protection in industrial electrical circuits, such as motor control centers, panelboards, and switchgear, where rapid clearing of short circuits is required.

What are the specifications of the LITTELFUSE JLS050?

The LITTELFUSE JLS050 is a Class J, fast-acting, non-indicating cylindrical fuse. Key specs: 50 A current rating, 600 V AC voltage rating, and MPN JLS050. It is part of the JLS Series and designed for reliable overcurrent protection in industrial applications.

Where to buy LITTELFUSE JLS050 worldwide?

3G Electric supplies the LITTELFUSE JLS050 fuse worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this Class J, 50 A, 600 V AC fuse for your project.

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., 50 A for JLS050) to your circuit requirements. Ensure the Class J rejection feature fits your fuse holder. Consult a qualified electrician for overcurrent protection coordination.

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.
Not sure this is the right part? Photo-identify it

LITTELFUSE Products

3G Electric supplies LITTELFUSE fast-acting cylindrical 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

More from LITTELFUSE

View all LITTELFUSE parts
Midget fast-acting fuse rated 3.5 A, 600 V AC and 500 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in control panels, motor circuits, and power supplies
LITTELFUSE
Midget fast-acting fuse rated 3.5 A, 600 V AC and 500 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in control panels, motor circuits, and power supplies
Fast-acting cylindrical fuse rated 100 mA, 600 V AC and 500 V DC. Midget size with 13/32 in x 1 1/2 in body. Used for overcurrent protection in control panels, power supplies, and motor control centers
LITTELFUSE
Fast-acting cylindrical fuse rated 100 mA, 600 V AC and 500 V DC. Midget size with 13/32 in x 1 1/2 in body. Used for overcurrent protection in control panels, power supplies, and motor control centers
Midget, fast-acting cylindrical fuse rated at 4 A, 600 V AC, and 500 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in industrial control panels, motor drives, and power supplies where rapid response to short circuits is required
LITTELFUSE
Midget, fast-acting cylindrical fuse rated at 4 A, 600 V AC, and 500 V DC. Measures 13/32 in x 1 1/2 in. Provides overcurrent protection in industrial control panels, motor drives, and power supplies where rapid response to short circuits is required

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first