SUNWAY SWHL-4 PV Combiner Box 4 String 250V 40A IP65 Waterproof Solar System Protection
Professional 4-string PV combiner box with comprehensive protection system including lightning arrester, DC fuses, and circuit breakers. Features 250V max voltage, 40A total current capacity, and IP65 waterproof rating for reliable solar system performance. Suitable for grid-connected and off-grid photovoltaic applications with operating range from -30°C to +70°C.
Place of Origin
Anhui, China
Warranty
3years
Fuses
15A
Size
270*220*140
Packaging Details
Factory directly plastic solar pv dc 4 string combiner 500v 32a 63a box pv string combiner box
Material
ABS
Product Description
Product Overview
The SUNWAY SWHL-4 PV Combiner Box is engineered for photovoltaic grid-connected and off-grid power generation systems. This 4-string combiner box efficiently consolidates multiple PV array inputs while providing comprehensive protection and system optimization.
Key Features & Protection Systems
- Three-tier protection system: High-voltage lightning arrester, DC fuse, and circuit breaker
- Over-voltage and over-current protection to safeguard photovoltaic panels and inverters
- Reduces PV array to inverter connections for enhanced system reliability
- Improves system maintainability and operational efficiency
Technical Specifications
| Parameter | Specification |
|---|---|
| Model | SWHL-4 |
| Maximum PV Array Connections | 4/6 strings |
| Max Input Current per PV Array | 10A |
| Total Input Current | 40A |
| Max Input Voltage per PV Array | 250V |
| Max Output Voltage | 250V |
| Protection Grade | IP65 (Waterproof and Dustproof) |
| Operating Temperature Range | -30°C to +70°C |
| Relative Humidity | 0-95% |
| Cooling Method | Natural Cooling |
| Surge Lightning Protection | Yes |
Component Details
Circuit Breaker and Fuses
Waterproof Lock Buckle Solar MC4 Connector
Additional Product Images
Packaging & Quality Assurance
All products undergo 100% self-inspection before packing to ensure quality and performance standards.
Frequently Asked Questions
Q1: Are you a factory or trade company?
We are a factory with over 10 years of manufacturing experience, offering strong after-sales service and technical support. Custom designs available according to client requirements.
Q2: What's the MOQ?
We maintain stock and semi-finished products with sufficient base materials. Small quantity orders are accepted to meet your requirements.
Q3: Can I have a sample for testing?
Yes, sample orders are welcome and typically shipped within 2-3 days.
Q4: Can I add my logo on the products?
Yes, OEM and ODM services are available. Trademark authorization letter required.
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