SIRIUS overload relays, that are available in thermal (3RU1) and electronic versions
(3RB2), provide in the main circuit current-dependent overload protection of electronic
loads (e.g. motors) as well as other switching and protective devices in the particular
load feeder.
The advantages at a glance
Variants reduction due to setting range of 1:4
Cost reduction due to less power loss
Solutions for standard/heavy load starting: CLASS 5, 10, 20, 30
Technical Data/Order Data
for Standard Applications
Pre sales info