Directionally selective residual current monitors in IT systems
In addition to insulation monitoring devices, directionally selective residual current monitors can be applied in IT systems, in order to be able to obtain insulation fault messages related to the point of the fault.
RCM470DY
The residual current monitor RCM470DY monitors the residual current (AC, DC pulsating) in unearthed AC or 3NAC systems (IT systems). The residual current is evaluated directionally, i.e. insulation faults detected on the load side are signalled. That allows selective fault location in extended systems.
The residual current monitor RCM475DY monitors the residual current (AC, DC pulsating) in unearthed AC or 3NAC systems (IT systems). The residual current is evaluated directionally, i.e. insulation faults detected on the load side are signalled. That allows selective fault location in extended systems.
Datasheet
