5 | Technical data
STOBER
32
05/2019 | ID 442790.01
5.1.2.4
Power unit: Size 2
Electrical data
SC6A261
U
1PU
3 × 400 V
AC
, +32% / −50%, 50/60 Hz;
3 × 480 V
AC
, +10% / −58%, 50/60 Hz
f
2PU
0 – 700 Hz
U
2PU
0 – max. U
1PU
C
PU
940 µF
C
maxPU
1400 µF
Tab. 20: SC6 electrical data, size 2
Information
If a time span of ≥ 15 min is maintained between energizing two devices, the maximum charging capacity C
maxPU
increases to
1880 μF.
Nominal currents up to +45 °C (in the control cabinet)
Electrical data
SC6A261
f
PWM,PU
4 kHz
I
1N,PU
22.6 A
I
2N,PU
19 A
I
2maxPU
210% for 2 s
Tab. 21: SC6 electrical data, size 2, for 4 kHz clock frequency
Electrical data
SC6A261
f
PWM,PU
8 kHz
I
1N,PU
17.9 A
I
2N,PU
15 A
I
2maxPU
250% for 2 s
Tab. 22: SC6 electrical data, size 2, for 8 kHz clock frequency
Electrical data
SC6A261
U
onCH
780 – 800 V
DC
U
offCH
740 – 760 V
DC
R
2minRB
47 Ω
P
maxRB
13.6 kW
P
effRB
6.2 kW
Tab. 23: Brake chopper electrical data, size 2
