YBAC‑XXX‑(S)
YBAC-XXX-(S) Pluggable Surge Protective Device for DC System
Installation Location
Installed in DC system distribution cabinets, combiner boxes, inverter DC side and DC circuits requiring surge protection.
Function Description
It is mainYBA used to withstand lightning current surges and switching overvoltages in DC systems, protecting inverters, controllers and downstream DC equipment.
Key Parameter
Max. continuous operating voltage Uc: 36 / 60 / 100 / 150 V DC; Total discharge current Itotal: 40 kA; Voltage protection level Up: as low as 300 V.
Application
Suitable for low-voltage DC distribution systems, inverter DC input, combiner boxes and DC circuits with risk of lightning or switching overvoltage.
| Parameter | Spec |
|---|---|
| Location of Use | String box, Inverter |
| Mode of Protection | (DC+)-PE, (DC-)-PE, (DC+)-(DC-) |
| Surge Ratings | In = 20 kA (8/20μs); Itotal = up to 40 kA (8/20μs) |
| IEC/EN/UL Category | Class II / Type 2 / Type 1CA |
| Protective Elements | High Energy MOV |
| Housing | Pluggable Design |
| Compliance | IEC 61643-41:2025; EN 50539-11:2013+A1:2014; UL 1449 4th Edition |
Technical Data — IEC Electrical
| Parameter | Spec |
|---|---|
| Max. Continuous Operating DC Voltage Ucpv | 38V / 65V / 100V / 150V |
| Nominal Discharge Current (8/20 μs) In | 20 kA |
| Total Discharge Current (8/20 μs) Itotal | 40 kA |
| Max. Discharge Current (8/20 μs) Imax | 40 kA |
| Voltage Protection Level Up | 300V / 360V / 400V / 500V |
| Response Time tA | < 25 ns |
| Short-Circuit Current Rating Iscpv | 5000 A |
Internal Settings
