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LD25 Series 5400.2 Product Manual, Rev. C
2.9 Environmental specifications
2.9.1 Ambient temperature
Ambient temperature is defined as the temperature of the environment immediately surrounding the drive.
Actual drive case temperature should not exceed 65°C (149°F) within the operating ambient conditions.
Above 1,000 feet (305 meters), the maximum temperature is derated linearly by 1°C every 1000 feet.
2.9.2 Temperature gradient
2.9.3 Humidity
2.9.3.1 Relative humidity
2.9.3.2 Wet bulb temperature
2.9.4 Altitude
Operating 0° to 60°C (32° to 140°F)
Nonoperating –40° to 70°C (–40° to 158°F)
Operating 20°C per hour (68°F per hour) max, without condensation
Nonoperating 30°C per hour (86°F per hour) max
Operating 8% to 90% noncondensing (30% per hour) max
Nonoperating 5% to 95% noncondensing (30% per hour) max
Operating 30°C (86°F) max
Nonoperating 40°C (104°F) max
Operating –304.8 m to 3,048 m (–1,000 ft to 10,000 ft)
Nonoperating –304.8 m to 12,192 m (–1,000 ft to 40,000 ft)