Protective Devices
|
DC reverse polarity protection |
Short-circuit diode |
|
AC short-circuit current capability |
Current control |
|
Grid monitoring |
SMA Grid Guard 3 |
|
Maximum permissible fuse protection |
50 A |
|
Ground-fault monitoring STP 12000TL-US-10 |
Insulation monitoring: Riso > 417 kΩ |
|
Ground-fault monitoring STP 15000TL-US-10 |
Insulation monitoring: Riso > 333 kΩ |
|
Ground-fault monitoring STP 20000TL-US-10 |
Insulation monitoring: Riso > 250 kΩ |
|
Ground-fault monitoring STP 24000TL-US-10 |
Insulation monitoring: Riso > 208 kΩ |
|
Ground-fault monitoring STP 30000TL-US-10 |
Insulation monitoring: Riso > 170 kΩ |
|
All-pole sensitive residual-current monitoring unit |
Available |
|
Arc fault detection AFCI, type 1, listed according to UL1699B |
Available |