Siemens Sirius Series System Manual page 31

Danger, high voltage!
The maximum rated current for the extension connector is 63 A, regardless of the infeed
block. If the rated current is exceeded, the extension connector will be damaged beyond
repair.
Make sure that the extension connector is never subjected to more than 63 A.
Operating temperature
The infeed system for 3RA6 has been designed for use with ambient temperatures ranging
from - 20 °C to + 60 °C.
Use with higher ambient temperatures
The infeed system can be operated within the temperature range - 20 °C to + 40 °C without
derating. Within the temperature range + 40 °C to + 60 °C, derating of the compact starter's
permissible rated current is necessary.
Internal control cabinet temperatures
+ 40 °C
+ 60 °C
SIRIUS 3RA6 Compact Starter
System Manual, 02/2008, GWA 4NEB 560 0601-02 DS 02
WARNING
4.2 Supply possibilities in main circuit
Permissible rated current I
100% of I
r max
80% of I
r max
Configuration
of the compact starter
r max
29