Suntree SL7-63 DC MCB

The SUNTREE SL7-63 DC MCB is a high-quality, 4-pole direct current (DC) miniature circuit breaker designed for robust protection and reliable control in solar photovoltaic (PV) systems. Specifically engineered for overcurrent protection, this DC MCB safeguards your solar system components, including solar panels, batteries, and inverters. It is suitable for both OFF-GRID PV systems with battery storage and ON-GRID solar systems with DC voltages below 1000V. With compact dimensions and easy DIN-rail installation, the SL7-63 ensures safe and efficient energy management in residential, commercial, and industrial solar setups.

Features & Benefits

• Reliable Overcurrent Protection : Protects DC circuits from overloads and short-circuit conditions, extending the life of your solar system components.
• Thermal-Magnetic Trip Mechanism : Combines thermal and magnetic tripping for fast response to overcurrent and high precision operation.
• High Breaking Capacity : Ultimate breaking capacity of 6kA ensures safe interruption of fault currents.
• Wide Temperature Range : Operates reliably in temperatures from -20°C to +70°C, suitable for Tanzania’s variable climate.
• Compact & DIN Rail Installation : Space-saving design compatible with standard solar and electrical distribution boards.
• Versatile DC Application : Ideal for both OFF-GRID battery-based systems and ON-GRID solar installations under 1000V DC.
• International Certifications : Compliant with IEC, TUV, SAA, CE, and RoHS for global safety and quality standards.

Use Cases

• OFF-GRID Solar PV Systems : Safely protects DC circuits between solar panels, batteries, and inverters in standalone systems.
• ON-GRID Solar Installations (<1000V DC) : Provides overcurrent protection for grid-tied solar setups.
• System Maintenance & Repairs : Acts as a switch to isolate DC circuits for safe maintenance or troubleshooting.
• Residential Solar Installations : Ensures safety for home solar systems, preventing overload or short-circuit damage.
• Commercial & Industrial Solar Systems : Protects DC circuits in businesses, offices, and small industrial solar setups.
• Hybrid Solar-Battery Systems : Safeguards DC lines in systems with battery storage or energy backup setups.
• Solar Microgrids & Remote Power Stations : Offers reliable circuit control in remote or off-grid power stations.

Value Propositions

• Enhanced Safety : Provides reliable overcurrent protection to prevent damage to solar panels, batteries, and inverters.
• System Reliability : Minimizes downtime and ensures continuous operation of solar PV systems.
• Maintenance-Friendly : Allows safe isolation of DC circuits during repairs or system upgrades.
• Durable & Weather-Resistant : Operates efficiently in Tanzania’s hot and variable climate.
• Internationally Certified : IEC, TUV, SAA, CE, and RoHS certifications guarantee quality and safety.
• Versatile Application : Suitable for OFF-GRID and ON-GRID solar systems with DC voltage up to 1000V.
• Cost-Efficient Protection : Reduces potential damage and replacement costs of expensive solar equipment.

Local Market Positioning in Tanzania

• Ideal for Tanzanian Solar Installations : Perfect for residential, commercial, and small industrial solar PV systems.
• Supports OFF-GRID and ON-GRID Systems : Compatible with the growing trend of solar adoption in urban and rural areas.
• Reliable Protection in Variable Climate : Operates efficiently in high temperatures and fluctuating environmental conditions common in Tanzania.
• Addresses Power Reliability Challenges : Protects solar systems against overcurrent and short-circuits, ensuring uninterrupted energy supply.
• Trusted by Local Installers : Meets international standards, giving confidence to Tanzanian solar installers and technicians.
• Cost-Effective Solution : Reduces system downtime, repair costs, and protects valuable solar equipment.
• Scalable for Microgrids & Remote Projects : Suitable for expanding solar projects in off-grid communities and remote areas.

Technical Specification