Suntree SHLX-PV4/1 DC 4 Way 1 Output DC Combiner Box 1000V 20A FUSE 63A Disconnect

SUNTREE SHLX-PV4/1 DC Combiner Box is a high-reliability photovoltaic DC protection and distribution unit designed to aggregate multiple solar string inputs into a single controlled output for inverter systems. It is widely used in solar PV installations where safety, stability, and system efficiency are critical—especially in commercial and industrial solar projects.

Features & Benefits

• 4 String Inputs / 1 Output Design : Efficiently combines multiple solar PV strings into a single DC output
• SUNTREE Integrated Protection System : Includes DC fuse, surge protection device (SPD), and circuit breaker/load isolation switch
• High Voltage Capacity (1000V DC) : Suitable for modern high-voltage solar PV systems
• 20A DC Fuse Protection per String : Protects against overcurrent and short circuit risks
• 63A DC Disconnect Switch : Enables safe maintenance and system isolation
• IP65 Rated Enclosure : Waterproof, dustproof, and UV-resistant for outdoor use
• Cold-Rolled Steel Housing : Strong mechanical strength and corrosion resistance
• Pre-Wired Internal Configuration : Simplifies installation and reduces wiring errors
• Wide Module Compatibility : Works with mono, poly, and thin-film solar panels
• High & Low Temperature Tested : Ensures stable performance in harsh climates
• Enhanced System Safety : Protects solar PV systems from electrical faults, surges, and overloads
• Improved Inverter Protection : Extends inverter lifespan by stabilizing DC input
• Faster Installation Time : Pre-configured wiring reduces labor cost and setup complexity
• Reliable Outdoor Performance : IP65 design ensures operation in rain, dust, and heat conditions
• Lower Maintenance Needs : Durable components reduce breakdowns and servicing frequency
• Flexible System Design : Supports scalable solar installations from small to large projects
• Cost-Effective Protection Solution : Combines multiple protection devices in one compact box
• Stable Energy Output : Ensures consistent DC power delivery to inverter systems
• Ideal for Harsh Environments : Perfect for rural and industrial solar applications
• Supports Long-Term Solar Investment : Increases overall system reliability and ROI

Use Cases

• Commercial Rooftop Solar Systems : Combines multiple PV strings for offices, malls, and warehouses to ensure stable inverter input
• Industrial Solar Power Plants : Used in large-scale installations to manage high-voltage DC distribution safely and efficiently
• SUNTREE Solar Mini-Grids : Ideal for rural electrification projects where reliability and protection are critical
• Agricultural Solar Pumping Systems : Supports solar irrigation setups by ensuring safe and continuous DC power flow
• Off-Grid Solar Installations : Provides essential protection and string management for remote energy systems without grid access
• Hybrid Solar + Inverter Systems : Integrates multiple PV strings into hybrid inverter setups for backup power solutions
• Institutional Solar Projects : Used in schools, hospitals, and government facilities for stable and safe energy supply
• Solar Energy Projects in Harsh Environments : Suitable for dusty, humid, and high-temperature regions requiring IP65 protection
• Solar EPC Contractor Installations : Commonly used by installers for fast deployment and standardized PV string management
• Renewable Energy Expansion Projects in Tanzania : Supports national solar adoption initiatives across urban and rural regions

Value Propositions

• All-in-One DC Protection System : Combines fuse protection, surge protection, and disconnect switching in a single compact unit, reducing the need for multiple external components
• SUNTREE Industrial-Grade Safety Assurance : Designed to meet stringent solar PV protection requirements for reliable long-term operation
• High System Compatibility : Works seamlessly with mono, poly, and thin-film solar modules, making it suitable for diverse project designs
• Enhanced Inverter Protection : Stabilises DC input and prevents damage from overloads, short circuits, and voltage surges
• Optimised for Harsh Environments : IP65-rated enclosure ensures performance in dust, rain, humidity, and high-temperature conditions
• Reduced Installation Complexity : Pre-wired configuration simplifies on-site installation and lowers labour costs
• Scalable for All Project Sizes : Suitable for small off-grid systems up to large commercial and utility-scale solar plants
• Improved System Reliability : Ensures continuous, stable power flow from PV strings to inverter systems
• Lower Lifecycle Costs : Durable materials and integrated design reduce maintenance and replacement frequency
• Ideal for Emerging Solar Markets : Strong fit for infrastructure development and rural electrification projects in regions like Tanzania where durability and reliability are critical

Local Market Positioning in Tanzania

• Strong fit for Tanzania’s expanding solar energy sector, supporting both on-grid and off-grid electrification projects
• SUNTREE Positioned as a premium-grade DC protection solution for commercial and industrial solar installations
• Highly suitable for rural electrification and mini-grid projects, where system reliability and low maintenance are critical
• Well aligned with solar irrigation and agricultural pumping systems widely used in Tanzania’s farming regions
• Designed to perform in hot, humid, and dusty African climates, especially across inland and coastal areas
• Preferred by solar EPC contractors for standardized, fast-to-install PV string combiner solutions
• Competes effectively against low-cost alternatives by offering higher safety standards and longer system lifespan
• Ideal for donor-funded renewable energy projects (NGOs, development agencies, government electrification programs)
• Supports growing demand in urban commercial solar rooftops in cities like Dar es Salaam, Arusha, and Mwanza
• Helps improve inverter protection and system uptime, which is critical in areas with unstable grid infrastructure
• Positioned as a long-term infrastructure-grade component rather than a basic commodity electrical box

Technical Specification