Suntree SUP2H-PV DC Surge Protective Device (SPD) 3P 1000V 20-40KA

The SUNTREE SUP2H-PV DC Surge Protective Device (SPD) 3P 1000V 20-40KA is a high-performance Type 2 DC surge protector engineered specifically for photovoltaic (PV) systems. Designed in accordance with IEC 60364-7-712 standards, it provides reliable protection against lightning-induced surges and transient overvoltages in solar DC networks.

This three-pole (3P) SPD features a three-step DC switching device, visual status indication, and optional remote signaling (floating changeover contact). With a robust 1000V DC rating and discharge capacity of 20–40kA, it ensures enhanced system safety, fire prevention, and operational continuity for residential, commercial, and industrial solar installations in Tanzania.

Features & Benefits

• 1000V DC Rating : Designed for high-voltage photovoltaic systems, ensuring safe operation in modern solar installations.
• 20-40kA Surge Discharge Capacity : Provides strong protection against lightning-induced surges common in Tanzania, reducing inverter failure risks.
• Type 2 (T2) SPD for PV Systems : Specifically engineered for DC-side protection in accordance with IEC 60364-7-712 standards.
• Three-Pole (3P) Configuration : Suitable for comprehensive protection of positive, negative, and grounding conductors.
• Three-Step DC Switching Device : Integrated disconnection and short-circuiting mechanism prevents dangerous DC arc faults and fire hazards.
• Integrated DC Fuse : Enables safe module replacement without arc formation, minimizing maintenance downtime.
• Visual Status Indicator (Green/Red Flag) : Quick and easy monitoring of protection status without special tools.
• Optional Remote Signaling (Floating Changeover Contact) : Allows connection to inverter or monitoring systems for real-time fault alerts.
• High-Energy MOV Technology : Ensures reliable absorption of transient overvoltages and repeated surge events.
• DIN Rail Mounting Design : Easy installation inside combiner boxes and inverter panels.
• Modular & Pre-Wired Construction : Simplifies installation and servicing for technicians and EPC contractors.

Use Cases

• Residential Rooftop Solar Systems : Protects home PV installations from lightning surges and DC overvoltage damage.
• Commercial Solar Installations : Safeguards inverters and DC distribution boards in offices, schools, hotels, and retail buildings.
• Industrial Solar Plants : Provides reliable surge protection for large-scale PV arrays and high-capacity inverter systems.
• Solar Combiner Boxes : Installed inside DC combiner panels to protect multiple PV strings from transient surges.
• Off-Grid Solar Systems : Ensures system stability in remote areas where lightning protection infrastructure may be limited.
• Hybrid Solar Systems : Protects DC input side of hybrid inverters used in homes and businesses.
• Solar Water Pumping Systems : Prevents damage to DC pump controllers used in agricultural irrigation projects.
• Telecommunication Solar Backup Systems : Protects solar-powered telecom towers from surge-related failures.
• Government & NGO Rural Electrification Projects : Enhances reliability of solar mini-grids and community power systems.
• High-Lightning Risk Areas in Tanzania : Ideal for coastal and highland regions where lightning activity is frequent.

Value Propositions

• Protects High-Value Solar Equipment : Prevents costly damage to inverters, charge controllers, and DC components caused by lightning and voltage surges.
• Reduces Maintenance & Replacement Costs : Minimizes system downtime and expensive inverter repairs.
• Improves System Reliability : Ensures continuous power generation by stabilizing the DC side of PV systems.
• Fire Risk Prevention : Three-step DC switching and safe isolation design help prevent dangerous DC arc faults.
• Quick Fault Identification : Green/red visual indicators allow fast inspection without specialized tools.
• Remote Monitoring Ready : Optional floating changeover contact enables integration with inverter monitoring systems for real-time alerts.
• Safe & Easy Module Replacement : Integrated DC fuse allows arc-free servicing, reducing technician risk.
• Standards-Compliant Protection : Designed in accordance with IEC 60364-7-712 for photovoltaic installations.
• Installer-Friendly Design : DIN rail mounting and modular construction simplify installation and servicing.
• Long-Term Investment Security : Five-year limited warranty provides confidence for installers, EPC contractors, and solar system owners.
• Ideal for Tanzania’s Climate : High 20:40kA surge capacity suits regions with frequent lightning activity.

Local Market Positioning in Tanzania

• Designed for High-Lightning Regions : Well-suited to Tanzania’s coastal and highland areas where lightning activity is prevalent.
• Ideal for Growing Solar Adoption : Meets the needs of expanding residential, commercial, and industrial solar markets in Tanzania.
• Supports Rural Electrification Initiatives : Reliable protection for off-grid solar projects funded by government and NGOs.
• Cost-Effective Protection Solution : Prevents expensive inverter and PV component damage, reducing long-term maintenance costs for installers and end users.
• Compatible with Popular Inverters in Tanzania : Works with leading inverter brands commonly deployed across the Tanzanian solar market.
• Installer-Friendly & Easy to Deploy : DIN rail design and pre-wired modular setup simplify installation for local technicians.
• Enhances Safety Standards Compliance : Helps PV system designers and installers meet international safety requirements.
• Strong Warranty Support : Five-year limited warranty provides assurance to buyers and solar project stakeholders.
• Reduces System Downtime : Visual and remote indication options allow quick troubleshooting and faster service response.
• Valuable for Solar EPC Companies & Wholesalers : Positioned as a reliable surge protection option for solar distribution partners and resellers in Tanzania.

Technical Specification