Application:
The product demonstrates high safety, reliability, and exceptional grid compatibility. It is ideally suited for renewable energy applications including photovoltaic and energy storage systems. Designed for installation in DC power distribution systems, converters, inverters, and combiner boxes within LPZ0 to LPZ1 zones, it provides reliable protection for sensitive electrical equipment against damage caused by direct lightning strikes or induced transient overvoltages.
Nomenclature:
VP □ □–□/□ □
1 2 3 4 5 6
SN | Name | Specification, type code |
1 | Design code | VP |
2 | Product Series | D |
3 | Nominal operating voltage Un | 600: DC 600 V |
4 | Max. discharge current Imax | 40: 40 kA |
5 | Protection mode | 2P: 2P |
6 | Test type | T1+T2: Type 1+2 |
Example: VPD600-40/3P(T1+T2) → Un: DC 600 V; Imax: 40 kA; Protection mode: 2P; Test type: Type 1+2.
Technical parameters:
Model | VPD600-40/3P(T1+T2) |
SPD according to EN/IEC 61643-11 | Type 1+2 |
Protection mode | V+ & V--PE |
Nominal operating voltage Un | DC 600 V |
Max. continuous operating voltage Uc | DC 830 V |
Nominal discharge current In (8/20 μs) | 20 kA |
Max. discharge current Imax (8/20 μs) | 40 kA |
Voltage protection level Up | ≤ 2.8 kV |
Max. backup fuse | 125 A gL/gG |
Cross-sectional area | 6 ~ 25 mm2 |
Stripping length terminals | 12.5 mm |
Installation method | 35 mm DIN rail |
Housing material | PA66 UL94-V0 |
Protection class | IP20 |
Operating temperature | -40 ℃ ~ +80 ℃ |
Relative humidity | ≤ 95% (25 ℃) |
Operating altitude | ≤ 4000 m |
Selection guide:
Model | Un | Uc | Up | In | Imax | Protection mode | Operating Principle | Size |
VPD600-40/3P(T1+T2) | DC 600 V | DC 830 V | 2.8 kV | 20 kA | 40 kA | V+ & V--PE | Figure 2.5.1 | Figure 2.6.1 |
Operating Principle:

