Technical Data
Internal Configuration
Dimensions & Packaging
Connection Diagram
Item No.: LY1-12.5/2(S)
LY1-12.5/2(S)PLUGGABLE SINGLE-POLE SPD
Description：
Classl·Classl·Type 1.Type 2
Location of Use: Main Distribution Boards
Mode of Protection: L-PE, N-PE
Surge Ratings: limp= up to 12.5 kA (10/350 μs)
I= up to 20 kA (8 /20 μs)
IEC/EN/UL Category: Class l+ll /Type 1+2
Protective Elements: High Energy MOV
Housing: Pluggable Design
Compliance:lEC 61643-11:2011
EN 61643-11:2012
UL 1449 4th Edition
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| 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 | |
| Specific energy by pole max. withstand 10/350 µs W/R 40 kJ/ohm | ||
| Connection mode(s) | L/N and N/PE | |
| Protection mode(s) Common/Differential mode | ||
| Protection level L/N @ In (8/20µs) | Up L/N | 1.5 kV |
| Protection level L/PE @ In (8/20µs) Up L/PE 1.5 kV | ||
| Residual voltage L/N at 5 kA @ 5 kA (8/20µs) | Up-5kA | 0.7 kV |
| Mechanical Characteristics | ||
| Technology | VG Technology (MOV+GSG) | |
| SPD configuration | 3-phase+Neutral | |
| Connection to Network | By 40mm busbar and wire for PE: 6-35mm² (50mm²) | |
| Format | Plug-in modular box | |
| Mounting | 40 mm busbar systems | |
| Housing material | Thermoplastic UL94 V-0 | |
| Operating temperature | Tu | -40/+85°C |
| Outdoor application | IP20 | |
| Failsafe modem | No | |
| Disconnection indicator | Disconnection from AC network | |
| Remote signaling of disconnection | 1 mechanical indicator by pole | |
| Dimensions | Yes | |
| Weight | See diagram | |
| Disconnectors | 0.7401 kg | |
| Thermal disconnector | Internal | |
| Installation ground fault breaker | Type ‘S’ or delayed | |
| Fuses | max. 315 A (gL/gG) | |
| Standards | ||
| Standards compliance | IEC 61643-11 / EN 61643-11 / UL1449 4ed. | |
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