Derating factors for self-cooling 100K and forced ventilation
Height [m] 40 °C 45 °C 50 °C 55 °C 60 °C
1000 1.00 0.96 0.92 0.88 0.85
1500 0.97 0.93 0.89 0.85 0.82
2000 0.94 0.90 0.86 0.83 0.80
2500 0.90 0.86 0.83 0.79 0.77
3000 0.86 0.83 0.79 0.76 0.73
Tab. 5-4: M
0 100 K
- De-rating Factor f
TH 100K
for MS2N03 … 10 (standard values)
De-rating factors for water cooling
Height [m] 40 °C 45 °C 50 °C 55 °C 60 °C
1000 1.00 0.96 0.92 0.88 0.85
1500 0.99 0.95 0.91 0.87 0.84
2000 0.97 0.93 0.89 0.85 0.82
2500 0.96 0.92 0.88 0.84 0.81
3000 0.95 0.91 0.87 0.83 0.80
Tab. 5-5: M
0 100K
- De-rating Factor f
TH W
for MS2N07 … 10 (standard values)
To avoid condensation of the motors, the coolant supply temperature must be
above the dew point temperature fig. 4-4 "Dew point temperature depends from
ambient temperature and relative air humidity" on page 18.
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Operating conditions and handling
MS2N Synchronous Servomotors
Bosch Rexroth AG R911347581_Edition 04