YBA‑PV‑XXX(S)
Pluggable Surge Protective Device for Photovoltaic System
Installation Location
Installed in PV system DC side combiner boxes, inverter DC side, distribution cabinets and DC circuits requiring surge protection.
Function Description
It is mainYBA used to withstand lightning current surges and switching overvoltages in PV DC systems, protecting inverters and downstream DC equipment.
Key Parameter
Max. continuous operating voltage Uc: 600 / 1000 / 1200 / 1500 V DC; Max. discharge current Imax: 40 kA; Voltage protection level Up: as low as 2000 V.
Application
Suitable for PV DC side, inverter DC input, combiner boxes and PV plant DC systems with lightning risk.
| 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 (10/350μs) |
| IEC/EN/UL Category | Class II / Type 2 / Type 1CA |
| Protective Elements | High Energy MOV |
| Housing | Pluggable Design |
| Compliance | IEC 61643-31:2025; EN 50539-11:2013+A1:2014; UL 1449 4th Edition |
Technical Data — IEC Electrical
| Parameter | Spec |
|---|---|
| Max. Continuous Operating DC Voltage (DC+)-(DC-) Ucpv | 600V / 1000V / 1200V / 1500V |
| 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 (DC+)-PE, (DC-)-PE Up | 2200V / 4000V / 4400V / 5200V |
| Voltage Protection Level (DC+)-(DC-) Up | 2200V / 4000V / 4400V / 5200V |
| Response Time tA | < 25 ns |
| Short-Circuit Current Rating Iscpv | 2000 A |
Technical Data — UL Electrical
| Parameter | Spec |
|---|---|
| Max. Permitted DC Voltage Vpvdс | 600V / 1000V / 1200V / 1500V |
| Voltage Protection Rating (DC+)-(DC-)-(PE) VPR | 1600V / 2500V / 3000V / 4000V |
| Nominal Discharge Current (8/20 μs) In | 20 kA |
| Short-Circuit Current Rating SCCR | 35 kA / 50 kA / 55 kA / 65 kA |
Internal Settings






