Siemens SINAMICS S120 Manual page 560

Braking resistors
9.4 Technical data
Table 9- 4 Duty cycles for Braking Module Booksize
Short duty cycle
A [s] 0.1
T [s] 11.5
Table 9- 5 Duty cycles for Braking Module Booksize Compact
Short duty cycle
A [s] 0.1
T [s] 11.5
The following applies when connecting Braking Modules in parallel:
P
N total
P
max total
Duty cycles for braking resistors with a thermostatic switch
Figure 9-9
T [s] time period of braking duty cycle
A [s] load duration
P [kW] rated power (continuous power) of the braking resistor
N
P
max
4 x P
560
6SN1113–1AA00–0DA0
Long duty cycle
0.4
210
6SN1113–1AA00–0DA0
Long duty cycle
0.4
46
= 0.9 x total P of single devices
N
= total P of single devices
max
Duty cycles for braking resistors with a thermostatic switch
[kW] peak braking power of the braking resistor
[kW] = power permitted every 90 s for 20 s
N
6SL3100–1BE31–0AA.
Short duty cycle
1
68
6SL3100–1BE31–0AA.
Short duty cycle
1
68
Manual, (GH2), 07/2016, 6SL3097-4AC00-0BP8
Long duty cycle
2
460
Long duty cycle
2
136
Booksize Power Units