Surge Protection Device (SPD) | AC & DC Lightning Surge Protector
The Surge Protection Device (SPD) is a high-performance electrical protection device designed to safeguard electrical systems and sensitive equipment from lightning-induced surges and transient overvoltages. It ensures reliable power protection, minimizes equipment damage, and enhances the safety of residential, commercial, and industrial installations
Manufactured with advanced Metal Oxide Varistor (MOV) technology and high-quality internal protection components, the SPD delivers fast response time, high surge discharge capacity, and long-term reliability. It features thermal disconnection protection, visual status indicators, and a compact DIN rail design for quick installation and easy maintenance.
Suitable for installation in main distribution boards, sub-distribution panels, control panels, solar PV systems, telecom facilities, data centers, industrial plants, and commercial buildings, the SPD provides comprehensive protection against lightning-induced electrical surges.
Designed in accordance with international lightning protection standards, the Surge Protection Device enhances electrical safety, reduces downtime, extends equipment lifespan, and minimizes maintenance costs.
Key Features
- Protection Against Lightning & Transient Surges
- Fast Response Time
- High Surge Discharge Capacity
- Advanced MOV Technology
- Thermal Disconnection Protection
- Visual Status Indicator
- DIN Rail Mounting
- Compact & Space-Saving Design
- Low Maintenance
- Long Service Life
Applications
- Lightning Protection Systems (LPS)
- Main & Sub Distribution Boards
- Industrial Control Panels
- Commercial Buildings
- Data Centers
- Telecom Systems
- Solar PV Systems
- Hospitals
- Manufacturing Plants
- Residential Electrical Installations
Typical Specifications
| Feature | Details |
| Product Type | Surge Protection Device (SPD) |
| SPD Type | Type I / Type II / Type I+II (Model Dependent) |
| Rated Voltage (Uc) | 230V AC / 275V AC / 385V AC (AC Models) or 600V–1500V DC (DC Models) |
| Nominal Discharge Current (In) | 20kA–40kA |
| Maximum Discharge Current (Imax) | Up to 100kA (Model Dependent) |
| Response Time | ≤25 ns |
| Number of Poles | 1P / 2P / 3P / 4P |
| Mounting Type | DIN Rail |
| Protection Rating | IP20 (Panel Mounted) |
| Standards | IEC 61643-11, IEC 61643-31, IEC 62305 |
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