YBA1‑25B/3+NPE
Product Description
Installed in the main distribution boards of buildings or power inlet where lightning current may enter。
Installed in the main distribution boards of buildings or power inlet where lightning current may enter。
Nominal waveform: 10/350 μs。
Suitable for sites with external lightning protection system and risk of direct lightning current intrusion.
Monoblock Multi-Pole SPD — Class I·Class II · Type 1·Type 2
| Parameter | Spec |
|---|---|
| Location of Use | Main Distribution Boards |
| Network Systems | TT, TN-S |
| Mode of Protection | L-N / L-PE, N-PE |
| Surge Ratings | Iimp = 25 kA / 100 kA (10/350μs); In = 25 kA / 100 kA (8/20μs) |
| IEC/EN Category | Class I+II / Type 1+2 |
| Protective Elements | High Energy MOV and GDT |
| Housing | Monoblock Design |
| Compliance | IEC 61643-11:2025; EN 61643-11:2025 |
Technical Data — IEC Electrical
| Parameter | Spec |
|---|---|
| Nominal AC Voltage (50/60Hz) (L-N) | 120V / 230V / 385V |
| Max. Continuous Operating Voltage (L-N) Uc | 150V / 275V / 385V |
| Max. Continuous Operating Voltage (N-PE) Uc | 255V |
| Nominal Discharge Current (L-N)/(N-PE) In | 25 kA / 100 kA |
| Max. Discharge Current (L-N)/(N-PE) Imax | 100 kA |
| Impulse Discharge Current (L-N)/(N-PE) Iimp | 25 kA / 100 kA |
| Total Discharge Current Itotal | 100 kA |
| Specific Energy (L-N)/(N-PE) W/R | 156 kJ/Ω / 2.5 MJ/Ω |
| Charge (L-N)/(N-PE) Q | 12.5 As / 50 As |
| Voltage Protection Level (L-N)/(N-PE) Up | 1000/1500V; 1500/1500V; 1600/1500V; 1800/1500V |
| Follow Current Interrupting Rating Ifi | 100 Arms |
| Response Time (L-N)/(N-PE) tA | < 25 ns / < 100 ns |
| Back-Up Fuse (max) | 315 A gL/gG |
| Short-Circuit Current Rating (L-N) IsccR | 50 kA |
| TOV Withstand 5s (L-N) UT | 180V / 335V / 335V |
| TOV Withstand 120min (L-N) UT | 230V / 440V / 440V |
| TOV Withstand 200ms (N-PE) UT | 1200V |
Internal setup
Size and Packaging
Connection diagram
