| Model | STW-9-PV 1/1 | STW-18-PV 2/2 |
|---|---|---|
| Array string number | 1 | 2 |
| Max PV voltage Uocstc | 600VDC | 600VDC |
| Max PV current Imppstc | 30A | 30A |
| Circuit connection ( input / output) | Terminal 6,5/10mm² | Terminal 6,5/10mm² |
| DC Mini Circuit Breaker | Yes | Yes |
| Fuse wire protection of branch circuit | Optional | Optional |
| Type 2 Surge protection device | STW-D40 | |
| Max PV voltage Ucpv | 600VDC | |
| Nominal discharge current In | 20KA | |
| Max discharge current Imax | 40KA | |
| Voltage protection level Up | 2.0KV | |
| Structural parameters | ||
| Shell material | ABS PC | |
| Ingress protection | IP65 | |
