Protective Devices
DC reverse polarity protection | Short-circuit diode |
Input-side disconnection point | Electronic Solar Switch, SUNCLIX DC connector |
AC short-circuit current capability | Current control |
Grid monitoring | SMA Grid Guard 4 |
Maximum permissible fuse protection | 32 A |
Ground-fault monitoring for STP 5000TL-20 / 6000TL-20 / 7000TL-20 / 8000TL-20 / 9000TL-20 | Insulation monitoring: Riso > 385 kΩ |
Ground-fault monitoring for STP 10000TL-20 / 12000TL-20 | Insulation monitoring: Riso > 200 kΩ |
All-pole sensitive residual-current monitoring unit | Available |
Grounding conductor monitoring | Available |