The SUNTREE SHLX-PV6/1 DC Combiner Box is designed to streamline and protect solar photovoltaic (PV) systems by combining multiple DC inputs into a single output. Supporting 6 PV string inputs and 1 output, this unit enhances system efficiency while reducing installation complexity. Built with rugged materials and advanced protection features, it ensures safe, stable, and long-lasting performance in harsh outdoor environments, making it ideal for solar installations across Tanzania.
Features & Benefits
- 6-string input combiner design: Combines up to 6 PV inputs into 1 output, simplifying system layout and reducing DC wiring complexity
- High-voltage system compatibility: Supports up to 1000V DC, suitable for modern residential, commercial, and industrial solar setups
- Integrated protection system: Includes DC fuse, surge protection device (SPD), and circuit breaker for complete electrical safety
- Lightning and surge protection: Protects solar equipment from voltage spikes and lightning, ensuring long-term system reliability
- Safe isolation and maintenance: 125A DC disconnect switch allows quick and secure shutdown during servicing or emergencies
- IP65 weatherproof enclosure: Resistant to dust, rain, and UV exposure, making it ideal for outdoor installations in harsh environments
- Durable metal construction: Built with cold-rolled steel for enhanced strength, corrosion resistance, and long service life
- Simplified installation & wiring: Pre-configured internal layout reduces installation time, labor costs, and wiring errors
- Optional intelligent monitoring: Enables real-time tracking of string current, voltage, temperature, and system status (with smart version)
- Wide temperature tolerance: Tested for high and low temperature conditions to ensure stable operation in varying climates
- Flexible system configuration: Customizable components and ratings to suit different solar project requirements
- Improved system efficiency: Reduces cable losses and optimizes DC power flow to the inverter
- Enhanced equipment protection: Minimizes risk of system downtime, protecting solar investments and reducing maintenance costs
Use Cases
- Residential solar installations: Ideal for homes with multiple PV strings, simplifying DC wiring and improving system organization
- Commercial solar systems: Suitable for offices, shops, and small businesses requiring efficient DC power aggregation
- Industrial solar projects: Supports reliable operation in factories and large-scale facilities with higher energy demands
- Off-grid solar systems: Perfect for remote locations without grid access, ensuring safe and stable DC power management
- Hybrid solar systems: Works seamlessly with battery storage and hybrid inverters for energy optimization and backup power
- Solar mini-grids: Enables efficient power distribution in rural electrification projects and community-based solar setups
- Agricultural solar applications: Useful for powering irrigation systems, water pumps, and farm operations in rural areas
- Telecom tower power systems: Ensures stable and protected solar input for telecom infrastructure in remote regions
- Backup power systems: Supports solar-based backup solutions for homes and businesses during grid outages
- Government & NGO solar projects: Suitable for electrification initiatives in schools, clinics, and rural development programs
Value Propositions
- Reduces installation complexity: Combines multiple PV inputs into one output, minimizing wiring effort and simplifying system design
- Lowers overall project cost: Saves on cables, labor, and installation time, making solar projects more cost-efficient
- Enhances system safety: Integrated fuse, surge protection, and circuit breaker protect against faults, overloads, and lightning
- Protects valuable equipment: Prevents damage to inverters and other components, reducing repair and replacement costs
- Ensures reliable performance: Designed for stable operation even in harsh environmental conditions
- Improves energy efficiency: Optimizes DC power flow and reduces transmission losses across the system
- Minimizes downtime: Built-in protection and durable construction reduce system failures and maintenance interruptions
- Supports scalable solar systems: Flexible configuration allows easy expansion of solar installations as energy needs grow
- Adapted for harsh climates: IP65-rated enclosure withstands dust, rain, heat, and UV exposure common in regions like Tanzania
- Increases return on investment (ROI): Reliable performance and reduced maintenance costs help maximize long-term savings
- Simplifies maintenance and servicing: Easy isolation and organized wiring make troubleshooting faster and safer
- Future-ready solution: Compatible with modern high-voltage systems and optional smart monitoring features
Local Market Positioning in Tanzania
- Aligned with growing solar demand: Tanzania’s solar PV market is rapidly expanding due to increasing electricity demand and government support for renewable energy
- Ideal for off-grid and rural electrification: With only ~17% rural electrification, solar solutions are essential, making combiner boxes a critical component in off-grid systems
- Supports mini-grid and solar home systems: Widely applicable in solar home systems and mini-grids, which already power a significant portion of households
- Designed for harsh environmental conditions: IP65 protection suits Tanzania’s high heat, dust, humidity, and strong sunlight exposure
- Cost-effective solution for emerging markets: Reduces installation and wiring costs, important in price-sensitive markets and rural projects
- Enables scalable solar deployment: Suitable for both small residential systems and expanding commercial/industrial solar installations
- Supports government electrification initiatives: Aligns with national programs promoting solar adoption and rural energy access
- High relevance for agriculture and telecom sectors: Useful in powering irrigation systems, water pumps, and telecom towers in remote regions
- Fits decentralized energy trend: Ideal for areas where grid extension is costly or impractical, supporting distributed solar infrastructure
- Strong opportunity in underserved regions: Large population still lacks reliable electricity, creating consistent demand for solar BOS components
- Compatible with pay-as-you-go (PAYGO) solar models: Supports modular system design used by solar providers targeting low-income households
- Reliable solution for frequent power challenges: Helps ensure stable power supply in areas with unreliable grid or outages
Technical Specification
| Parameter | Specification |
|---|---|
| Model | SHLX-PV6/1< |
| Product Type | DC Combiner Box |
| Input Channels | 6 PV Strings< |
| Output Channels | 1 DC Output< |
| Max System Voltage | 1000V DC |
| Fuse Rating | 20A per string |
| Disconnect Switch | 125A DC Isolator |
| Surge Protection | DC Surge Protection Device (SPD) |
| Circuit Protection | DC Circuit Breaker / Load Isolation Switch |
| Protection Level | IP65 |
| Enclosure Material | Cold Rolled Steel / Metal |
| Installation Type | Outdoor Wall Mounted |
| Operating Temperature | High/Low Temperature Tested |
| Monitoring (Optional) | String Current, Voltage, Temperature, Status |
| Compliance Standard | CGC/GF 037:2014 |
| Application | Solar PV Systems (Residential/Commercial) |





