Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
LITTELFUSE LFJ600303CID 3-Pole 600V AC UL Class J Fuse Block - Fuse Blocks for UL Class J Fuses
LITTELFUSEFuse Blocks for UL Class J Fuses

LITTELFUSE LFJ600303CID 3-Pole 600V AC UL Class J Fuse Block

LITTELFUSE Fuse Blocks for UL Class J Fuses.

SKU 3G-OTH-24372

Brand
LITTELFUSE
Item
LFJ600303CID 3-Pole 600V AC UL Class J Fuse Block
Part Number
LFJ600303CID
Category
Fuse Blocks for UL Class J Fuses
Available to Order
Also known as:LFJ600303CIDLITTELFUSE
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

LITTELFUSE
Manufacturer Part Number
LFJ600303CID

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

LITTELFUSE Fuse Blocks for UL Class J Fuses.

Frequently Asked Questions

What is a LITTELFUSE LFJ600303CID fuse block used for?

The LITTELFUSE LFJ600303CID is a 3-pole, 600 V AC open-block fuse holder designed for UL Class J fuses. It is used in industrial power distribution, motor control centers, and panel boards to provide overcurrent protection with a box-lug termination and visual blown-fuse indication.

What are the specifications of the LITTELFUSE LFJ600303CID?

This LITTELFUSE fuse block has an open-block design, 3 poles, 600 V AC rating, and box-lug terminals. It accepts UL Class J fuses and includes an indicating feature to show a blown fuse. The manufacturer part number is LFJ600303CID.

Where to buy a LITTELFUSE LFJ600303CID fuse block worldwide?

3G Electric supplies the LITTELFUSE LFJ600303CID fuse block to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this UL Class J fuse block.

How to select the right LITTELFUSE fuse block for your application?

To select the correct LITTELFUSE fuse block, match the voltage rating (600 V AC), number of poles (3), and fuse class (UL Class J) to your circuit requirements. Ensure the box-lug terminal size fits your wire gauge. 3G Electric can help you verify compatibility.

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 fuse blocks for ul class j 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

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first