A Surge Protection Device (SPD) is an electrical device designed to protect equipment and systems from transient voltage spikes caused by lightning, power surges, or switching operations. SPDs divert excess voltage safely to the ground, safeguarding sensitive electronics and appliances.
| Feature | Details |
|---|---|
| Nominal Voltage (Un) | 120V, 230V, 400V, or customized |
| Maximum Continuous Operating Voltage (Uc) | Rated up to 440V AC or higher |
| Surge Current Capacity (Imax) | Up to 100kA per phase (varies by model) |
| Response Time | Less than 25ns for rapid protection |
| Protection Modes | L-N, L-PE, N-PE, or combinations |
| Energy Absorption Capacity | Measured in Joules (higher rating for heavy-duty applications) |
| Enclosure Rating | Available in IP20, IP54, or IP65 for environmental protection |
| Installation Category | Type 1, Type 2, or Type 3 based on installation location |
| Standards Compliance | Follows IEC 61643, UL 1449, or EN 61643 |
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