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#: IDSR080

FUS 600VAC/DC T/D IND RK5 80A

Part#: JLS015

FUS 600V F/A CLASS J 15A

Part#: KLKR002

FUS 600V F/A CLASS CC 2A

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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.

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

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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