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ESP1-1000 | 1000V 50kA 3P Solar DC Surge Protection Device
ELEHUB 1000V 50kA solar DC surge protection device is specifically engineered to safeguard solar photovoltaic systems from transient overvoltages caused by lightning strikes and electrical surges. Designed for long-lasting performance, our solar SPD is ideal for high-risk environments. With easy DIN rail mounting and a compact form factor, it integrates effortlessly into DC distribution systems.
Backed by ELEHUB’s commitment to quality, this DC surge protection device for solar ensures stable performance and increased equipment lifespan across diverse solar installations.
Specifications of Solar Surge Protection Device
| Specification | DATA |
|---|---|
| Model: | ESP1-1000 |
| Rated Voltage: | 1000VDC |
| Lighting Impulse Current (Iimp): | 7kA |
| Norminal Discharge Current (In): | 20kA |
| Maxmum Discharge Current (Imax): | 50kA |
| Installation: | 35mm DIN Rail |
Dimension Drawing
Applications
Solar surge protector is ideal for various solar power setups and industrial DC applications. Its high discharge capacity and 1000VDC rating make it suitable for:
Electric Vehicles
Essential for controlling high-voltage DC circuits, ensuring safety in EV powertrains and energy storage.
EV Charging Stations
Safely disconnects high-voltage DC power, protecting both the vehicle and charging infrastructure.
Construction Machinery
Ensures reliable operation of high-voltage systems, safeguarding machinery in demanding work environments.
Photovoltaic Systems
Protects against DC overvoltage, disconnecting power safely during maintenance or fault conditions.
Wind Systems
Manages high-voltage DC circuits, ensuring safe operation and preventing electrical faults in wind turbines.
Battery Management Systems
Ensures safe disconnection of high-voltage batteries, maintaining system integrity in electric
Why Choose Us as a PV SPD Supplier?
Strict Quality Control
Every SPD undergoes 100% testing for surge capacity, insulation resistance, and mechanical strength to ensure long-term reliability.
Competitive Factory Pricing
As a direct manufacturer and exporter, we offer cost-effective pricing without compromising quality — ideal for large-volume orders.
Customization Available
We support OEM/ODM services including logo printing, packaging, and voltage/current customization based on your project needs.
Global Export Experience
Our surge protection devices are exported to Europe, North America, Southeast Asia, and the Middle East, trusted by solar EPCs and distributors.
Expert Technical Support
Our in-house engineers assist with product selection, installation guidance, and technical troubleshooting whenever needed.
After-Sales Assurance
All products come with a 2-year warranty and lifetime technical support — providing peace of mind for your business.
FAQs
What type of systems is this surge protection device designed for?
This solar SPD is tailored for DC applications, especially solar PV systems rated up to 1000VDC.
How is it installed?
It is designed for standard 35mm DIN rail installation, ensuring quick and secure mounting in control panels.
What standard certifications are available?
Certifications such as CE, TUV, or IEC 61643-31 may apply depending on the model. Please verify based on your region.
Is this SPD replaceable or does the whole unit need replacement after a surge?
This DC SPD for solar features modular construction (if supported by variant), allowing easy replacement of the protection module without rewiring.
What does the 50kA rating refer to?
It represents the maximum discharge current (Imax) the device can handle during a surge or lightning event.
What is the nominal discharge current (In)?
The nominal discharge current is 20kA, indicating the current level the device can repeatedly handle.
Can it be used in EV charging setups?
Yes, this DC SPD is suitable for EV charging infrastructure to prevent damage from transient voltages.
Can this surge protector be used with string inverters or central inverters?
Yes. It’s suitable for string inverters, central inverters, and hybrid inverter setups, offering broad compatibility.
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