These devices (class II) provide overvoltage protection for the dc part in PV installations. When used in PV-installations, they are installed in the generator connection box and on the DC side of the AC converter.
- With potential-free remote signalling contact (Pk)
- SPD type 2 for DC power supplies
- Function control indication via LED
- Mounting on 35 mm DIN rail (EN 60715)
- Degree of protection according to IEC EN 60529: IP 20
- Inflammability class according to UL 94 V0
- EAC certification
| IEC category | Type 2 /class II |
| PV voltageUocSTC | 800 V= |
| Max. continuous operating voltage DCUc | 880 V= |
| Protection level at In (8/20 µs)Up | ≤ 2,5 kV |
| Protection level at 5 kAUp | ≤ 2,0 kV |
| Response timetA | < 25 ns |
| Nominal discharge current (8/20 µs)In | 5 kA |
| Max. impulse discharge current (8/20 µs) line to PEImax | 10 kA |
| Max. allowed fuse or back-up fuse | 125 A gG |
| Operating temperature rangeTU | -40 - +80 °C |
Additional Information
| Min. conductor cross section at terminals | 10 mm² solid/flexible |
| Max. conductor cross section | stranded 50/fine stranded 35 mm² |
| Max. connection torque for terminals | 4,0 Nm |
| Enclosure material / colour | polycarbonate (halogen-free) UL 94-V0 / yellow |
| Degree of protection (IEC EN 60529) | IP 20 |
| Mounting on | 35 mm DIN rail (EN 60715) |
| FM contact / contact type | break contact |
| Switching capacity FM | 250 V/2 A |
| Max. conductor cross section Pk | 1,5 mm² |
