Lenovo ThinkCentre 3026 Maintenance Instructions Manual page 47

For all machine types
Environment
Air temperature:
Operating: 10° to 35°C (50° to 95°F)
Non-operating: -40° to 60°C (-40° to 140°F) (with package)
Non-operating: -10° to 60°C (14° to 140°F) (without package)
Humidity:
Operating: 20% to 80% (non-condensing)
Non-operating: 20% to 90% (non-condensing)
Altitude:
Operating: -50 to 10 000 ft (-15.2 to 3 048 m)
Non-operating: -50 to 35 000 ft (-15.2 to 10 668 m)
Electrical input
Input voltage:
Low range:
Minimum: 100 V ac
Maximum: 127 V ac
Input frequency range: 50 to 60 Hz
Voltage-selection switch setting: 115 V ac
High range:
Minimum: 200 V ac
Maximum: 240 V ac
Input frequency range: 50 to 60 Hz
Voltage-selection switch setting: 230 V ac
Chapter 3. General information
41