AC surge protective device LY1-12.5/2(S)PLUGGABLE SINGLE-POLE SPD,
We are a trusted 50kA 2 pole AC surge protective device supplier and factory, specializing in AC L+N protection for residential and commercial power systems. Our factory offers OEM, wholesale, and in bulk supply for global distributors.
The housing uses graphite (C) material for superior heat resistance, with IP65 waterproofing for outdoor use. Installation is quick with DIN-rail mounting, and every unit comes with CE certification and a 2-year warranty.
We support OEM customization and deliver SPDs in bulk, providing high-quality surge protection devices from a professional manufacturer trusted by global brands.
| Electrical Characteristics | ||
| SPD type 1+2+3 | ||
| Network | 230/400 V 3-phase+N | |
| AC system TT-TNS | ||
| Nominal line voltage | Un | 230/400 Vac |
| Max. AC operating voltage Uc 275 Vac | ||
| Temporary Over Voltage (TOV) Charasteristics – 5 sec. Without disconnection | UT | 335 Vac withstand |
| Temporary Over Voltage (TOV) Charasteristics – 120 mn Without disconnection or with safety disconnection | ||
| Temporary Over Voltage N/PE (TOV HT) Without disconnection or with safety disconnection | UT | 1.2 kV/300A/200 ms withstand |
| Residual Current Leakage current to Ground Ipe None | ||
| Follow current | If | None |
| Nominal discharge current 15 x 8/20 µs impulses In 20 kA | ||
| Max. discharge current max. withstand @ 8/20 µs by pole | Imax | 50 kA |
| Impulse current by pole max. withstand 10/350µs by pole Iimp 12.5 kA | ||
| Total lightning currentmax. total withstand @ 10/350µs | Itotal | 50 kA |
| Withstand on Combination waveform IEC 61643-11 Class III test: 1.2/50µs – 8/20µs Uoc 6 kV | ||
| Withstand on overvoltages IEEE C62.41.1 | 20 kV | |
