SP9 Series surge protective devices are type I rail-mounted modules for AC distribution panels exposed to high-energy transient surges. The series covers several impulse-current and pole configurations while sharing the same 35mm rail installation format.
| Model | SP9 |
|---|---|
| Rated Working Voltage Un | 230V/400V |
| Nominal Discharge Current In | 50kA, 8/20µs |
| Impulse Current Iimp | 15kA, 25kA, 50kA, 10/350µs |
| Maximum Continuous Operating Voltage Uc | 275V, 320V, 385V, 440V |
| Voltage Protection Level Up | <1.5kV to <2.5kV by voltage and impulse-current selection |
| Leakage Current | <20µA at 75% Uc |
| Test Classification | Type I |
| Protection Class | IP20 |
| Poles | 1P, 2P, 3P, 4P |
| Dimensions | 90 × 36 × 64mm, 90 × 72 × 64mm, 90 × 108 × 64mm, 90 × 144 × 64mm |
| Installation Method | 35mm standard rail |
