SD-40K
KCISE
SD-40K
| Quantity: | |
|---|---|
| Item | DC surge protector |
| Model Number | SD-40K |
| Pole | 2P |
| Classified test | Ⅱ |
| Un (V DC) | 1000 |
| Uc (V DC) | 1200 |
| In(8/20)us (kA) | 20 |
| Imax(8/20)us (kA) | 40 |
| Up (kV) | 3.8 |
| Hard wiring capacity(mm²) | 4~25 |
| Flexible wiring capacity(mm²) | 4~16 |
| Stripping length(mm) | 10 |
| Terminal screwa | MS |
| Protection class | IP40 |
| Installation environment | No obvious shock and vibration |
| Altitude (m) | ≤ 2000 |
| Working Temperature | -3.0~+70 |
| Relative humidity | 30%~90% |
| How to Install | Installed with H35-7.5/DIN35 steel mounting rail |
The DC 600-1000V SPD Solar PV Protection device is a specialized surge protection solution engineered to safeguard solar photovoltaic systems from voltage surges and transient overvoltages. Designed specifically for the unique demands of solar installations, this surge protection device (SPD) provides robust protection for PV arrays operating in the 600-1000V DC range. As solar systems are particularly vulnerable to lightning strikes and grid-related surges, this SPD acts as a critical defense mechanism, diverting excess energy away from sensitive components and preventing costly damage. Compliant with international standards for surge protection, it ensures the reliability and longevity of solar energy systems in various environmental conditions.
Optimized for 600-1000V DC systems, this SPD provides continuous protection across the voltage range used in medium to large-scale solar installations. It features precise voltage clamping to ensure that surge voltages are limited to levels safe for PV inverters, combiner boxes, and other system components.
Equipped with advanced metal oxide varistor (MOV) technology, the SPD offers an ultra-fast response time of ≤25ns, ensuring minimal exposure to damaging surge energies. It can handle impulse currents up to 20kA (8/20μs waveform), providing robust protection against both direct and indirect lightning strikes.
Built to withstand harsh outdoor environments, the SPD features a rugged enclosure with IP65 protection against dust and water ingress. It includes a visual status indicator that provides at-a-glance confirmation of protection status, facilitating quick maintenance checks. The device operates in temperatures ranging from -40℃ to 85℃, ensuring reliability in extreme climate conditions.
This specialized SPD is essential for various solar PV installations:
Utility-scale solar farms and ground-mounted PV systems
Commercial rooftop solar installations
Industrial solar power systems
Solar carports and canopy systems
Off-grid solar installations with battery storage
Solar pumping systems and agricultural PV applications
Large residential solar arrays with high-voltage configurations
Solar PV systems operate at high DC voltages (600-1000V DC) and are exposed to outdoor conditions, making them particularly susceptible to lightning-induced surges and grid transients. Standard AC surge protectors cannot handle the continuous DC voltage or the unique surge characteristics in PV systems. This specialized SPD is engineered to safely dissipate surge energy while maintaining stable operation in high-voltage DC environments.
Regular visual inspections every 6 months are recommended to check the status indicator. The device typically has a service life of 5-10 years depending on environmental conditions and surge exposure. In areas with high lightning activity, more frequent inspections may be necessary. Replace the SPD immediately if the status indicator shows a fault or after it has handled a major surge event.
Yes, the DC 600-1000V SPD is designed for retrofitting into existing solar PV systems as well as new installations. It should be installed in the DC combiner box or between the PV array and inverter, following the manufacturer's installation guidelines and local electrical codes. Professional installation is recommended to ensure proper integration and optimal protection.
| Item | DC surge protector |
| Model Number | SD-40K |
| Pole | 2P |
| Classified test | Ⅱ |
| Un (V DC) | 1000 |
| Uc (V DC) | 1200 |
| In(8/20)us (kA) | 20 |
| Imax(8/20)us (kA) | 40 |
| Up (kV) | 3.8 |
| Hard wiring capacity(mm²) | 4~25 |
| Flexible wiring capacity(mm²) | 4~16 |
| Stripping length(mm) | 10 |
| Terminal screwa | MS |
| Protection class | IP40 |
| Installation environment | No obvious shock and vibration |
| Altitude (m) | ≤ 2000 |
| Working Temperature | -3.0~+70 |
| Relative humidity | 30%~90% |
| How to Install | Installed with H35-7.5/DIN35 steel mounting rail |
The DC 600-1000V SPD Solar PV Protection device is a specialized surge protection solution engineered to safeguard solar photovoltaic systems from voltage surges and transient overvoltages. Designed specifically for the unique demands of solar installations, this surge protection device (SPD) provides robust protection for PV arrays operating in the 600-1000V DC range. As solar systems are particularly vulnerable to lightning strikes and grid-related surges, this SPD acts as a critical defense mechanism, diverting excess energy away from sensitive components and preventing costly damage. Compliant with international standards for surge protection, it ensures the reliability and longevity of solar energy systems in various environmental conditions.
Optimized for 600-1000V DC systems, this SPD provides continuous protection across the voltage range used in medium to large-scale solar installations. It features precise voltage clamping to ensure that surge voltages are limited to levels safe for PV inverters, combiner boxes, and other system components.
Equipped with advanced metal oxide varistor (MOV) technology, the SPD offers an ultra-fast response time of ≤25ns, ensuring minimal exposure to damaging surge energies. It can handle impulse currents up to 20kA (8/20μs waveform), providing robust protection against both direct and indirect lightning strikes.
Built to withstand harsh outdoor environments, the SPD features a rugged enclosure with IP65 protection against dust and water ingress. It includes a visual status indicator that provides at-a-glance confirmation of protection status, facilitating quick maintenance checks. The device operates in temperatures ranging from -40℃ to 85℃, ensuring reliability in extreme climate conditions.
This specialized SPD is essential for various solar PV installations:
Utility-scale solar farms and ground-mounted PV systems
Commercial rooftop solar installations
Industrial solar power systems
Solar carports and canopy systems
Off-grid solar installations with battery storage
Solar pumping systems and agricultural PV applications
Large residential solar arrays with high-voltage configurations
Solar PV systems operate at high DC voltages (600-1000V DC) and are exposed to outdoor conditions, making them particularly susceptible to lightning-induced surges and grid transients. Standard AC surge protectors cannot handle the continuous DC voltage or the unique surge characteristics in PV systems. This specialized SPD is engineered to safely dissipate surge energy while maintaining stable operation in high-voltage DC environments.
Regular visual inspections every 6 months are recommended to check the status indicator. The device typically has a service life of 5-10 years depending on environmental conditions and surge exposure. In areas with high lightning activity, more frequent inspections may be necessary. Replace the SPD immediately if the status indicator shows a fault or after it has handled a major surge event.
Yes, the DC 600-1000V SPD is designed for retrofitting into existing solar PV systems as well as new installations. It should be installed in the DC combiner box or between the PV array and inverter, following the manufacturer's installation guidelines and local electrical codes. Professional installation is recommended to ensure proper integration and optimal protection.
