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105ºC Rated, 800V Solid State Relay

Ideal for challenging high-temperature applications including industrial, medical, and solar

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High Current, High Voltage DC Contactor Relays

DC contactors offer ingress-protected relay solutions that mitigate arcing with no arc leakage at high current and high voltage.

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Circuit Protection Products Selection Guide

Designed to help you quickly find a protection solution appropriate to your application

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NEW: Arc-Flash Knowledge Center

Your resource for information and tools to learn about arc flash and stay protected from its damaging power.

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ITV Series Battery Protectors

A three-terminal, surface mountable Li-ion battery protector designed to guard against the damage caused by both overcurrent and overcharging

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New PSR Bladed High-Speed Fuses Wins EC&M’s Award

Winning the protective devices category also qualify these semiconductor fuses for Product of the Year, which will be voted on by EC&M subscribers

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Browse Our Product Portfolio

You'll find the right protection, control, and sensing solutions for your application in our broad and deep product portfolio.

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Protect. Control. Sense.

We manufacture leading technologies in circuit protection, power control, and sensing for a safer, greener, and increasingly connected world.

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Surge Protection Devices for Photovoltaic Equipment

Littelfuse has developed an SPD guide to help you determine the right specifications and setup to protect your PV installation.

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