Relays and Controls Technical Center

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.

datasheet and manuals thumbnail

Datasheet & Manuals

Easily add Littelfuse Startco
products to your plans.

CAD Drawings

Easily add Littelfuse Startco
products to your plans.

Published Papers

Technical papers from
Littelfuse Startco's own

Technical Notes

Browse available Technical Notes
for Littelfuse Startco Products.

Network Support

Network communications
support files for Littelfuse
Startco relays.
datasheet and manuals thumbnail

Relay Accessories

Browse Protection Relay


Download PC software
to connect and interact
with Startco relays over
local and network

Online Demos & Tools

Learn more about using
and progr
amming Littelfuse
Startco relays with online
user interface demos.
Arc Flash Case Study Video Thumbnail


View our Protection Relay
product videos.
View our webcasts.