SEW DRC2 - Page 162

162
Operating Instructions – Electronic Motor DRC.-..-SNI
12
Technical data
Technical Data and Dimension Sheets
12.1.5 Derating factors
Affected unit
variants
For DRC2 motors, you must also observe the I
N motor
reduction shown in the following
figure:
I
N motor
reduction The following figure shows the I
N motor
reduction depending on the motor speed:
INFORMATION
This chapter applies to unit variants with application option. You need not observe the
following derating when operating units without
application option.
9007202114032267
[1] Ambient temperature ≤ 35 °C
[2] Ambient temperature = 40 °C
Motor current [% I
N
motor]
1000
100
90
80
70
60
1500 2000
Motor speed n
i
[rpm]
[1]
[
2]
INFORMATION
Derating is based on typical operating conditions with a supply voltage of 24 V (sensor
supply, input voltage of STO input).
P
i
f
kVA
Hz
n