YBA1‑12.5B/3+NPE
Pluggable Multi-Pole Surge Protective Device
Installation Location
Installed in the main distribution boards of buildings or power inlet where lightning current may enter.
Function Description
It is mainYBA used to withstand lightning current surges.
Key Parameter
Nominal waveform: 10/350 μs, Impulse Discharge Current Iimp=12.5kA.
Application
Suitable for sites with external lightning protection system and risk of direct lightning current intrusion.
| Parameter | Spec |
|---|---|
| Location of Use | Main Distribution Boards |
| Network Systems | TT, TN-S |
| Mode of Protection | N-PE, L-N |
| Surge Ratings | Iimp = 12.5 kA (10/350μs); In = 20 kA (8/20μs) |
| IEC/EN/UL Category | Class I+II / Type 1+2 / Type 1CA |
| Protective Elements | High Energy MOV and GDT |
| Housing | Pluggable Design |
| Compliance | IEC 61643-11:2025; EN 61643-11:2025; UL 1449 4th Edition |
Technical Data — IEC Electrical
| Parameter | Spec |
|---|---|
| Nominal AC Voltage (L-N) Uc | 120V / 230V / 380V |
| 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 | 20 kA / 50 kA |
| Max. Discharge Current (L-N)/(N-PE) Imax | 50 kA / 100 kA |
| Impulse Discharge Current (L-N)/(N-PE) Iimp | 12.5 kA / 50 kA |
| Specific Energy W/R | 39 kJΩ / 625 kJΩ |
| Charge Q | 6.25 As / 25 As |
| Voltage Protection Level (L-N)/(N-PE) Up | 1500V |
| Follow Current Interrupting Rating (N-PE) 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 | 25 kA / 50 kA |
| TOV Withstand 5s (L-N) UT | 180V / 335V / 335V |
| TOV 120min Mode (L-N) | Safe Fail |
| TOV Withstand 200ms (N-PE) UT | 1200V |
Internal Settings
Size and Packaging
