990-91399A-001

Environment

  Operating Storage
Temperature 0 °C to 40 °C (32 °F to 104 °F) without load derating. -25 °C to 55 °C (-13 °F to 131 °F) for systems without batteries.
Relative humidity 0-95% non-condensing 10-80% non-condensing
Elevation Designed for operation in 0-3000 m (0-10000 feet) elevation.

Derating required from 1000-3000 m (3300-10000 feet) with forced air cooling:
Up to 1000 m (3300 feet): 1.000
Up to 1500 m (5000 feet) : 0.975
Up to 2000 m (6600 feet): 0.950
Up to 2500 m (8300 feet): 0.925
Up to 3000 m (10000 feet): 0.900

Derating required from 1000-3000 m (3300-10000 feet) with convection cooling:
Up to 1000 m (3300 feet): 1.000
Up to 1500 m (5000 feet) : 0.985
Up to 2000 m (6600 feet): 0.970
Up to 2500 m (8300 feet): 0.955
Up to 3000 m (10000 feet): 0.940
 
Audible noise one meter (three feet) from unit

62 dB at 70% load

68 dB at 100% load for 480 V systems

Protection class IP20
Color RAL 9003, gloss level 85%
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