Description
Our Surge Protective Device (SPD) is a critical low-voltage protection solution designed to safeguard electrical and electronic equipment from transient overvoltages and surge currents caused by lightning strikes, switching operations, or grid fluctuations. It provides reliable surge protection for residential, commercial, and industrial power distribution systems.
Core Features
- High Surge Absorption Capacity: Equipped with advanced metal oxide varistor (MOV) and gas discharge tube (GDT) technologies for fast response and high surge current handling capability.
- Multi-Level Protection: Available for single-phase and three-phase systems, with options for Type 1, Type 2, and Type 3 SPDs to meet different protection levels.
- Visual Status Indicator: Built-in fault indicator clearly shows normal or abnormal working status for easy monitoring and maintenance.
- Safe Disconnection Mechanism: Integrated thermal and overcurrent protection ensures safe isolation of the SPD when it reaches the end of its service life, preventing fire hazards.
- Compact & Easy Installation: Space-saving design with standard rail mounting, suitable for distribution boxes, switchgear, and control panels.
- Wide Application Voltage Range: Covers common low-voltage systems such as AC 220V/380V, 400V, and 480V.
Applications
| Application Scenario | Voltage Rating (AC) |
|---|---|
| Residential & Smart Homes | 220V (Single-phase) |
| Commercial Buildings & Offices | 220V/380V |
| Industrial Plants | 380V/400V |
| Telecom & Data Centers | 220V/380V |
Technical Advantages
- Compliant with international standards (IEC 61643, GB/T 18802)
- Low clamping voltage for effective equipment protection
- Long service life and stable performance
- Low leakage current and high reliability
- RoHS and environmental protection compliant
Our Surge Protective Device (SPD) combines high performance, safety, and ease of use, making it an essential component for ensuring the stable and safe operation of modern low-voltage electrical systems.
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