Introduction
SIRIUS 3RW44 manual
1-8 GWA 4NEB 535 2195-02 DS 02
1.3 Marginal Conditions for Storage and Operation
Caution 
Please ensure that no liquid, dust or conductive parts 
enter the soft starter!
Permissible ambient temperature for
- Storage -25°C to +80°C
- Operation 0 °C to +60 °C, from 40 °C with derating
(refer to Chapter 9.3 "Technical Data")
Permissible relative air humidity 10 to 95 %
Maximum permissible installation 
height
3000 m, from 1000 m with derating