System overview
SIRIUS System Manual
GWA 4NEB 430 0999-02b
1-5
1.2 Overview: Range of devices
SIRIUS system
The SIRIUS product range consists of 3RV circuit breakers, 3RT contactors,
3RH/3RT auxiliary contactors and contactor relays, 3RU thermal overload
relays, 3RB10/3RB12 electronic overload relays, 3RP time relays, 3RW3
semiconductor motor control devices (referred to below as soft starters),
and combinations of these devices, which form the 3RA load feeders.
The individual devices are developed and built in such a way that it is very
easy to put them together to make load feeders. This is possible because
the devices are all built to work together on both an electrical and a mechan-
ical level.
Figure 1-1: SIRIUS system
NSB00296
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