34 Operating Manual RX900 S2
Functional overview
Ambient conditions
Condensation during operation must be avoided!
Ventilation clearance
At least 200 mm on the front and rear.
Electrical values
Environment class 3K2
Environment class 2K2
EN 60721 / IEC 721 Part 3-3
EN 60721 / IEC 721 Part 3-2
Temperature:
Operation (3K2) 10 °C .... 35 °C
Transport (2K2) -25 °C .... 60 °C
Humidity 10% ... 85%   (non condensing)
Power supply 
configuration  
– Up to 4 hot-plug power supply units
– Base unit equipped with 2 power supply units
– Redundancy concept only applicable for the 
mains voltage 200 - 240 V: Basic configuration: 
1+1 redundancy; AC redundancy available with 
a 1+1 or 2+2 redundant configuration.
Max. output of single 
power supply 
2000 W
Hot-plug power supply 
redundancy
Yes
Rated voltage range  100 - 240 V
Rated frequency range  50 - 60 Hz