- top_notice
Suntree Surge Protector (OVR) – 3 Poles, Type 2 DC Overvoltage Protection for Solar PV Systems The Suntree Surge Protector (OVR) – 3 Poles is a high-performance surge protective device (SPD) designed to shield DC photovoltaic systems from voltage spikes...
The Suntree Surge Protector (OVR) – 3 Poles is a high-performance surge protective device (SPD) designed to shield DC photovoltaic systems from voltage spikes caused by lightning strikes, power surges, and grid anomalies. This model protects all three conductors in a solar circuit—positive, negative, and ground—making it ideal for large-scale and grounded solar PV systems.
Engineered for fast response and long-lasting reliability, the 3-pole SPD provides consistent Type 2 overvoltage protection for inverters, combiner boxes, charge controllers, and sensitive solar electronics. Its compact, modular design allows for quick DIN rail installation and easy monitoring through an integrated status indicator.
| Feature | Details |
|---|---|
| Poles | 3 (Positive, Negative, and Ground) |
| Nominal Voltage (Uₙ) | 1000V DC (varies by model) |
| Max Discharge Current (Imax) | 40kA per pole (8/20 μs waveform) |
| Protection Type | Type 2 (IEC 61643-11 compliant) |
| Response Time | ≤ 25 nanoseconds |
| Visual Indicator | Green = Active, Red = Replace |
| Mounting Method | 35mm DIN rail |
| Enclosure Material | Flame-retardant thermoplastic |
| Degree of Protection | IP20 (internal), suitable for panel enclosures |
| Operating Temperature | -40°C to +85°C |
| Standards Compliance | IEC 61643-11, CE, RoHS |
Comprehensive DC Protection
Safeguards all three critical lines—positive, negative, and ground—for complete circuit security.
Fast Surge Response
Reacts in less than 25 nanoseconds to suppress voltage spikes before they damage your system.
Modular and Replaceable
Plug-in cartridge design allows tool-free replacement without disturbing wiring.
Clear Status Monitoring
Integrated color-coded window shows real-time operational status at a glance.
Compact and Installer-Friendly
Space-saving design fits inside combiner boxes, inverters, or main distribution boards.
Built for Harsh Conditions
High resistance to temperature extremes, UV, and environmental exposure common in solar arrays.
Reliable for High-Voltage Systems
Rated for 1000V DC systems used in modern residential, commercial, and utility-scale solar plants.
DC combiner boxes with grounded systems
Inverter protection on the DC input side
Large rooftop and utility-scale solar PV installations
Battery-based hybrid and off-grid systems
Mount the SPD unit onto a DIN rail inside a protected enclosure or combiner box.
Connect the three DC conductors: positive (L+), negative (L-), and ground (PE).
Secure the wiring using terminal screws and ensure proper torque.
Inspect the status window after energizing the system — green means operational.
Replace the module if the indicator shows red.
