Siemens SINAMICS S120 Combi Equipment Manual page 41

Figure 3-2
Recommendation
SIEMENS selectively switching AC/DC-sensitive residual current protection devices in
accordance with EN 61009-1 of the 5SM series e.g. 5SM3646-4 or 5SM3646-4+5SW3300
with an auxiliary disconnector (1 NC contact / 1 NO contact) for a rated current of 63 A and
rated residual current of 0.3 A (see catalog "BETA Modular Installation Devices - ET B1").
Note
AC or pulse-sensitive RCCBs are not suitable.
SINAMICS S120 Combi
Manual, (GH9), 07/2016, 6SL3097-4AV00-0BP5
Connecting a residual-current operated circuit breaker
3.4 Line supply connection via residual-current devices
Line-side power components
41