May 24, 2025
No Comments
Read More » 
Type 1 + 2 PV Multi Polar Surge Protector DC SPD
MDSP-PV Series
Elevate your solar installations’ safety and efficiency with the T1+T2 1000V DC SPD (PV Multi Polar Surge Protector) MDSP-PV series. This robust surge protector is meticulously designed to safeguard photovoltaic (PV) systems from both direct and indirect lightning-induced surges, ensuring your operational continuity and reducing downtime.
Applications
Commercial Solar Power Installations
Ideal for large-scale solar projects where robust surge protection is critical.
Industrial Solar Systems
Provides the resilience needed in industrial environments to withstand harsh conditions and prevent costly equipment failures.
Residential PV Systems
Enhances safety for home solar systems, protecting sensitive electronic equipment and extending the lifespan of the solar installation.
Why Choose Moreday?
Global Recognition
With products used in over 100 countries and a capacity exceeding 5 GW, Moreday is a brand synonymous with reliability and innovation.
Certified Excellence
We hold ISO 9001, ISO 14001, and OHSAS 18001 certifications, with our products meeting stringent international standards like CE, TUV, and ROHS.
Sustainability
As pioneers in solar energy solutions, our mission extends beyond business to significantly impact global carbon footprints.
Choosing Moreday’s T1+T2 1000V DC SPD MDSP-PV Series not only means selecting top-tier protection for your solar installations but also partnering with a leader in sustainable energy solutions. With Moreday, elevate your projects, ensure uninterrupted service, and join a global movement towards a cleaner, greener future.
SPECIFICATION
Specification | Parameter |
Maximum Continuous Operating DC Voltage | 600V/1000V/1200V/1500V |
Nominal Discharge Current (8/20 µs) | 20 kA |
Impulse Discharge Current (10/350 µs) | 6.25 kA |
Total Discharge Current (10/350 µs) | 12.5 kA |
Total Discharge Current (8/20 µs) | 40 kA |
Maximum Discharge Current (8/20 µs) | 40 kA |
Voltage Protection Level | 2200V/4000V/4400V/5200V |
Residual Current at Uc | < 0, 5 mA |
Response Time | < 25 ns |
Short-Circuit Current Rating | 2000 A |
Operating Temperature Range | -40 ºF to +158 ºF [-40 ºC to +70 ºC] |
Permissible Operating Humidity | 5%-95% |
Atmospheric pressure and altitude | 80k Pa-106k Pa / -500 m-2000 m |
Mounting | 35 mm DIN Rail, EN 60715 |
Degree Of Protection | IP 20 (built-in) |
Housing Material | Thermoplastic: Extinguishing Degree UL 94 V-0 |
Thermal Protection | Yes |
Operating State / Fault Indication | Green ok / Red defect |
Remote Contacts (RC) | Optional |
RC Switching Capacity | AC: 250V / 0.5 A; DC: 250V / 0.1 A; 125 V / 0.2 A; 75 V / 0.5 A |
RC Conductor Cross Section (max) | 16 AWG (Solid) / 1.5 mm2 (Solid) |
popular questions
FAQ`s.
1. What does the MDSP-PV series protect against?
The T1+T2 1000V DC SPD MDSP-PV series is designed to protect photovoltaic systems from voltage surges caused by lightning strikes and power fluctuations. It safeguards both the solar panels and the connected inverter systems.
2. Can the MDSP-PV series be installed in existing solar systems?
Yes, the MDSP-PV series can be seamlessly integrated into existing solar installations thanks to its pluggable design, which allows for easy retrofitting and minimal disruption to current operations.
3. What certifications does the MDSP-PV series hold?
The MDSP-PV series meets several international standards, including IEC 61643-31, EN 61643-31, and UL 1449 4th Edition. It is also certified by TUV, CE, and ROHS, ensuring it complies with global safety and quality benchmarks.
4. What is the maximum voltage capacity of the MDSP-PV series?
The MDSP-PV series is capable of handling maximum continuous operating voltages up to 1500V for DC systems, making it suitable for high-voltage solar applications.
5. How does the thermal protection feature work?
Thermal protection is built into the housing of the MDSP-PV series to prevent overheating. This feature ensures that the surge protector operates safely even under high surge conditions or extreme environmental temperatures.
6. Is there an indicator for operational status?
Yes, the MDSP-PV series is equipped with indicators that show the operational state and fault detection. A green indicator signifies normal operation, while a red indicator alerts to defects or malfunctions.
7. How often should the MDSP-PV series be inspected or replaced?
We recommend inspecting the device annually to ensure optimal performance. Replacement depends on the exposure to surges and the environmental conditions but typically, a surge protector should be replaced after a significant surge event or if the fault indicator is activated.
8. Can the surge protector handle multiple surge events?
Yes, the MDSP-PV series is designed to handle multiple surge events. It features robust components that can withstand numerous surges, ensuring long-term reliability and performance.
