Protective devices
Grid monitoring | Available |
Input-side disconnection point | DC load-break switch1) |
DC reverse polarity protection | Available |
AC short-circuit current capability | Available |
Leakage current protection | Available |
AC overvoltage protection" | Surge arrester type 2 |
DC overvoltage protection | Surge arrester type 1 and type 2 |
Ground fault monitoring | Insulation monitoring: Riso > 100 kΩ |
Arc-fault circuit interrupter (AFCI) | Available |
All-pole sensitive residual-current monitoring unit | Available |
Active islanding detection | Frequency shift |
1) Usage category according to IEC 60947: DC-PV2