Littelfuse, Inc.

Electrical Industry Company Profile

Littelfuse, Inc.

8755 W Higgins Road
Chicago, IL 60631
(800) 832-3273

Product Data

View all 8,496 products in Smart eCat

Part#: FLQ030

FUS 500V T/D MIDGET 30A

Part#: JLLN125

FUS 300V F/A CLASS T 125A

Part#: JLS090

FUS 600V F/A CLASS J 90A

Click the Smart eCat icon to view all products and access Spec Sheets and other product information.

Catalogs

INDUSTRIAL CIRCUIT PROTECTION CATALOG

Flip pages, play videos right from the page, pull part number info into bid software or create lists, search catalogs by keyword or part number and more.

More Smart eCatalogs

PROTECTION RELAYS & CONTROLS CATALOG

Videos

Littelfuse, Inc.

How to Properly Protect a BESS Power Circuit from Overcurrents

Overcurrents can cause extensive damage in a battery energy storage system as well as costly downtime. That is why circuit protection is imperative. Circuit protection fuses have many advantages including easy installation and replacement, low watt loss and a compact size. But, sizing fuses accurately is challenging. Littelfuse provides the formulas to calculate fuse sizes for maximum protection, reliability and cost-effectiveness.

Littelfuse, Inc.

Prevention through Design with Special-Purpose GFCIs

With power comes great responsibility. Hundreds of workers are killed yearly from electrical shock, and tens of thousands of electrical shock incidents over the past several years resulted in injuries requiring time away from work. Find out how GFCIs, including commercial GFCIs and specialized ones with higher trip levels, effectively prevent such incidents. More Info

Products

ESR Fuses Offer a Wider Range of Protection for Battery Racks

The Littelfuse Energy Storage Rack (ESR) series of fuses are designed specifically to protect battery racks from a range of fault currents to help prevent equipment damage or expensive system failures. The 1500 V dc high-speed square body fuse is extremely fast-acting to respond quickly to safeguard the battery module. Available in NH 1XL and 3XL sizes and a variety of amperages.

More Products

Press Releases

Littelfuse Launches Its Most Compact Arc-Flash Relay for Tight Spaces

AF0025 Series OEM-solution provides AC and DC arc-flash protection with flexible mounting options

CHICAGO, September 27, 2023 — Littelfuse, Inc., (NASDAQ: LFUS), a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world launches its AF0025 series, a cost-effective arc-flash protection solution in our most compact package for OEM applications.

More Press Releases