1500V PV DC Combiner Box
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| Model | | | |
| PV Array System Voltage (V, DC) | 1500v | ||
| Maximum Number of Parallel Inputs in PV Array | 16 | 20 | 24 |
| Number of Output Channels | 1 | ||
| Maximum Input Current per Channel (A) | 35 | ||
| Positive and Negative Wire Diameter for String Inputs (mm²) | 4-6 | ||
| Positive and Negative Wire Diameter for Outputs (mm²) | 2*185-300 (Aluminum alloy cable) | ||
| Ground Wire Diameter (mm²) | ≥16 | ||
| Dimensions (Width*Height*Depth, mm) | 733*733*260 | 930*730*260 | 933*733*260 |
| Mounting Dimensions (mm) | 590*672 | 816*701 | 790*672 |
| Protection Features | |
| PV-dedicated DC Input Fuse | Rated Voltage: 1,500V Rated Current: 15-35A Breaking Capacity: 20kA |
| PV-dedicated DC Output Circuit Breaker in Plastic Enclosure | Rated Voltage: 1,500V Rated Current: 400-630A Equipped with auxiliary contact for output signal |
| PV-dedicated Lightning Protection Module | In: 20kA Imax: 40kA Ups: 4kV |
| Anti-backflow Diode | Optional |
| Environment Conditions | |
| Protection Rating | IP67 |
| Temperature and Humidity | Please provide specific details if the device will be used in areas with gases. Temperature Range: -25°C to 50°C Storage Temperature Range: -40°C to 70°C Humidity: 0% to 95% No condensation, no corrosive elements |
| Altitude | ≤2,000m For the operating location with an altitude higher than 2,000m, we offer customized components. |
| Salt Spray Resistance | Salt spray test Standard: 336h Optional: 500h |
| Smart Communication | |
| Measurement | Hall Isolation Measurement |
| Communication Port | Equipped |
| Communication Protocol | RS 485/Modbus-RTU |
| Functions | Measurement of string current, total voltage, and temperature inside the box Status monitoring of circuit breaker status, lightning arrester Alerting and debugging. |
| Power Supply | Self-supply |
Schematic Diagram
| Safety | |
| Busbar | Overlapping large-section nickel-coated copper bars |
| Protection | PC insulated enclosure |
| Electrical Clearance / Creepage Distance | ≥14mm/ ≥25mm |
| Insulation Resistance | >20MΩ |
| AC Withstand Voltage | AC4400V,1MIN |
| Enclosure (with Rain Cover) | PC transparent shell |
| Enclosure Material | SMC |
| Protection Rating | IP67 |
| Terminal Block | PA66, IP68 |
| Cable Connector | MC4, IP67 (customizable) |
| Mounting Method | Vertical (also available for horizontal mounting) |
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