Photovoltaic DC combiner box with IP65 outdoor protection and 500V/1000V wide voltage input capability, standard-equipped with PV-specific fuses and positive/negative pole dual lightning surge protectors.
| Parameter | GSB-A | GSB-B |
|---|---|---|
| Max Open Circuit Voltage (VDC) | 500 VDC | 1000 VDC |
| PV String Inputs (N) | 2 ~ 16 Inputs (Customizable) | 2 ~ 16 Inputs (Customizable) |
| Rated Current per String (A) | 20 A | 20 A |
| DC Output Circuit Breaker | Included | Included |
| PV Lightning Surge Protection | Included (Positive & Negative Poles) | Included (Positive & Negative Poles) |
| Ingress Protection | IP65 | IP65 |
| Dimensions (D×W×H) mm | 155 × 400 × 300 / 175 × 620 × 420 | 155 × 400 × 300 / 175 × 620 × 420 |
| Weight (kg) | 15 ~ 25 kg | 15 ~ 25 kg |
| Maximum Altitude | 5000m (Derating above 2000m) | 5000m (Derating above 2000m) |
| Operating Temperature (℃) | -25 ~ +65 ℃ | -25 ~ +65 ℃ |



