YBA1‑C40/4(S)
YBA1-C40/4(S) Pluggable Multi-Pole Surge Protective Device
Installation Location
Installed in sub-distribution boards and secondary distribution circuits of buildings.
Function Description
It is mainYBA used to withstand induced lightning surge current, providing Class II power lightning protection for downstream electrical equipment.
Key Parameter
Nominal waveform: 8/20μs, Nominal Discharge Current In=20kA, Max. Discharge Current Imax=40kA.
Application
Suitable for building sub-distribution systems and distribution circuits with risk of induced lightning surge.
| Parameter | Spec |
|---|---|
| Location of Use | Sub-Distribution Boards |
| Network Systems | TN-S |
| Mode of Protection | L-PE, N-PE |
| Surge Ratings | In = 20 kA (8/20μs) |
| IEC/EN/UL Category | Class II / Type 2 / Type 1CA |
| Protective Elements | High Energy MOV |
| Housing | Pluggable Design |
| Compliance | IEC 61643-11:2025; EN 61643-11:2025; UL 1449 4th Edition |
Technical Data — IEC Electrical
| Parameter | Spec / 规格 |
|---|---|
| Nominal AC Voltage (50/60Hz) Uo/Un | 120V / 230V / 400V |
| Max. Continuous Operating Voltage (AC) Uc | 150V / 275V / 320V / 385V / 440V |
| Nominal Discharge Current (8/20 μs) In | 20 kA |
| Max. Discharge Current (8/20 μs) Imax | 40 kA |
| Voltage Protection Level Up | 1000V / 1400V / 1500V / 1800V |
| Response Time tA | < 25 ns |
| Back-Up Fuse (max) | 125 A gL/gG |
| Short-Circuit Current Rating IsccR | 25 kA / 50 kA |
| TOV Withstand 5s UT | 180V / 335V / 580V |
| TOV 120min Mode | Safe Fail |
Technical Data — UL Electrical
| Parameter | Spec |
|---|---|
| Max. Continuous Operating Voltage (AC) MCOV | 150V / 275V / 320V / 385V / 440V |
| Voltage Protection Rating VPR | 600V / 900V / 1000V / 1200V / 1500V |
| Nominal Discharge Current (8/20 μs) In | 20 kA |
| Short-Circuit Current Rating SCCR | 200 kA / 150 kA |
Internal Settings







