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LITTELFUSE Fuse Block: Open Block Design, 3 Pole, 600 V AC, Box Lug - Fuse Blocks for UL Class J Fuses
LITTELFUSEFuse Blocks for UL Class J Fuses

LITTELFUSE Fuse Block: Open Block Design, 3 Pole, 600 V AC, Box Lug

The LITTELFUSE Fuse Block (MPN LFJ604003C) is an open block design for UL Class J fuses, featuring 3 poles, 600 V AC rating, and box lug, non-indicating terminals. 3G Electric interprets your demand for this…

SKU 3G-OTH-24539

Brand
LITTELFUSE
Item
Fuse Block: Open Block Design, 3 Pole, 600 V AC, Box Lug
Category
Fuse Blocks for UL Class J Fuses
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Technical Specifications

LITTELFUSE
Manufacturer Part Number
LFJ604003C
Type
Box Lug, Non-Indicating
AC
600 V
Pole
3

Technical Documents

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

Product Description

The LITTELFUSE Fuse Block (MPN LFJ604003C) is an open block design for UL Class J fuses, featuring 3 poles, 600 V AC rating, and box lug, non-indicating terminals. 3G Electric interprets your demand for this OEM-specified component, sourcing it with accountability across 14 industrial departments — and we supply far more than is listed. Our specialist depth in controls (e.g., Schneider, ABB, Siemens) anchors trust, ensuring you get the right answer, not just a catalog.

Frequently Asked Questions

What is the LITTELFUSE LFJ604003C fuse block used for?

The LITTELFUSE LFJ604003C is a 3-pole open block design fuse holder for UL Class J fuses. It is used in industrial power distribution, motor control centers, and panel boards to protect circuits up to 600 V AC. The box lug terminals simplify wiring, and the non-indicating design suits applications where visual fuse status is not required.

What are the specifications of the LITTELFUSE LFJ604003C fuse block?

The LITTELFUSE LFJ604003C is a 3-pole, open block design fuse block rated for 600 V AC. It features box lug terminals and is non-indicating. It accepts UL Class J fuses. The manufacturer part number is LFJ604003C. This block is suitable for high-current industrial applications requiring reliable overcurrent protection.

Where to buy the LITTELFUSE LFJ604003C fuse block worldwide?

You can source the LITTELFUSE LFJ604003C fuse block worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact 3G Electric for availability and lead time on this LITTELFUSE fuse block.

How to install the LITTELFUSE LFJ604003C fuse block?

To install the LITTELFUSE LFJ604003C, mount the block securely on a panel or DIN rail using appropriate hardware. Connect incoming and outgoing conductors to the box lug terminals, torquing to manufacturer specifications. Insert UL Class J fuses into each pole. Ensure the circuit is de-energized before installation and follow all local electrical codes.

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 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.

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