Littelfuse, Inc.

Electrical Industry Company Profile

Littelfuse, Inc.

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

Product Data

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Part#: L15S200

FUS 150V SEMICONDUCTOR 200A

Part#: IDSR040

FUS 600VAC/DC T/D IND RK5 40A

Part#: KLK005

FUS 600V F/A MIDGET 5A

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Catalogs

INDUSTRIAL CIRCUIT PROTECTION CATALOG

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PROTECTION RELAYS & CONTROLS CATALOG

Videos

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

Littelfuse, Inc.

How to Size a Neutral Grounding Resistor

One of the most critical decision when designing stable and safe electrical systems is system grounding. The key parameter that determines the neutral grounding resistor’s affect on the circuit is the let-through current. This video will focus on how to determine what level of let-through current to specify when designing a resistance-grounded system.

Products

How to Properly Protect a BESS Power Circuit from Overcurrents

A battery energy storage system requires proper circuit protection. Overcurrents not only frequently damage systems, but are also the culprit of downtime, which is detrimental to a company’s bottom line. Fuses are a great way to protect a system simply and cost-effectively. Learn how to properly protect a BESS power circuit from overcurrents with this application guide.

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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.

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