SUNWAY SWHL-4 PV Combiner Box with 4 Inputs, 15A per Array, 500V Max Voltage and IP65 Protection
Professional 4-string PV combiner box featuring three-layer protection system with lightning arrester, DC fuses, and circuit breaker. IP65-rated weatherproof enclosure operates from -30°C to +70°C. Ideal for grid-connected and off-grid solar systems in residential, commercial, and industrial applications. Simplifies installation with pre-wired design and comprehensive safety features.
The SUNWAY SWHL-4 PV Combiner Box is engineered for photovoltaic grid-connected and off-grid power generation systems. It serves as a central convergence point for multiple PV arrays, optimizing system structure while providing comprehensive protection for solar panels and inverters.
- 4-Array Convergence: Efficiently combines inputs from up to 4 PV arrays
- Three-Layer Protection: Lightning/surge protection, short circuit/overcurrent protection, and overvoltage protection
- High-Capacity Operation: 15A per array with 63A total input current
- Weather-Resistant Design: IP65-rated enclosure for outdoor installation
- Wide Temperature Range: Operates from -30°C to +70°C
| Parameter | Specification |
|---|---|
| Model | SWHL-4 |
| Max. Connected PV Arrays | 4 |
| Max. Input Current per Array | 15A |
| Total Input Current | 63A |
| Max. Input Voltage | 500V |
| Protection Grade | IP65 (dust-tight and water-resistant) |
| Operating Temperature | -30°C to +70°C |
| Relative Humidity | 0-95% (non-condensing) |
| Lightning Protection | Yes (1000V-rated surge protection module) |
| Dimensions | 8.66×6.69×4.33 inches |
Professional lightning and rain protection with thunder proof protection for both positive and negative connections.
Complete protection from dust, moisture, water, rain, snow, and oil, ensuring electrical equipment remains dry and secure.
6 x 15A fuses with excellent current limiting characteristics and 125A circuit breaker for short-circuit fault protection.
All wires are pre-wired for easy solar panel system connection, complete with mounting accessories.
High impact strength, excellent weather resistance, and strong wear resistance with protective plastic coating.
Ideal for photovoltaic grid-connected and off-grid power generation systems in office buildings, industrial factories, residential buildings, and carports.
Designed for outdoor PV systems in residential, commercial, and industrial setups. Reduces cable clutter and improves system cleanliness with optimized wiring.
Complies with international standards for PV system protection and environmental durability. Minimizes maintenance needs while ensuring long-term reliability in harsh weather conditions.
We are a factory with over 10 years of manufacturing experience, providing strong after-sale service and technical support with free design according to client requirements.
We have stock and semi-finished products with enough base materials for new samples and orders. Small quantity orders are accepted.
Yes, sample orders are welcome and typically shipped within 2-3 days.
Yes, OEM and ODM are available with trademark authorization letter.
100% self-inspection before packing ensures quality control.
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