Welcome to the Relays and Controls Technical Center!
The Technical Center allows you to download the most up-to-date resources on our Protection Relays and Control Products. New information is constantly added, so be sure to check back often for new files and downloads.
Network communications
support files for Littelfuse
Startco relays.
Browse Protection Relay
accessories.
Download PC software
to connect and interact
with Startco relays over
local and network
communications.
Learn more about using
and programming Littelfuse
Startco relays with online
user interface demos.
View our Protection Relay
product videos.
View our webcasts.