Protective Devices
DC reverse polarity protection | Short-circuit diode |
Input-side disconnection point | DC load-break switch |
DC overvoltage protection | Surge arrester type 1+2 or type 2 (optional) |
AC short-circuit current capability | Current control |
Grid monitoring | SMA Grid Guard 10.0 |
Maximal output overcurrent protection | 50 A |
Ground fault monitoring | Insulation monitoring: Riso > 100 kΩ |
All-pole sensitive residual-current monitoring unit | Available |
SMA ArcFix arc-fault circuit interrupter | Available |
Active anti-islanding method | Frequency shift |