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#: FLSR150ID

FUS 600V T/D CLASS RK5 150A INDICATING

Part#: LLSRK040ID

FUS 600V T/D CLASS RK1 40A INDICATOR P

Part#: JLLN1200

FUS 300V F/A CLASS T 1200A

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Catalogs

PROTECTION RELAYS & CONTROLS CATALOG

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INDUSTRIAL CIRCUIT PROTECTION 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

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

The AF0025 Series is a cost-effective arc-flash protection solution for OEM applications. With a depth of only 1.82” (46.23 mm), this compact relay significantly reduces arc-fault damage in AC and DC compartments by detecting the light from an arc-flash and rapidly providing a trip signal.

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Press Releases

Littelfuse Expands SB5000 Industrial Shock Block® Ground-Fault Circuit Interrupter (GFCI) Series

New GFCI devices offer protection for three-phase loads up to 100 A

CHICAGO, September 21, 2023 — Littelfuse, Inc., (NASDAQ: LFUS), a diversified, industrial technology manufacturing company empowering a sustainable, connected, and safer world expands its SB5000 Industrial Shock Block Series to help protect workers from electrical shock for loads up to 80 and 100 Amperes.

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