RoHS material DC surge protection device for solar energy system
ZJBENY is the first company in China tests SPD at the PV standard and make the SPD with true RoHS material.
Type 2 DC surge protection devices BUD-40/3R with 3 plug-in high capacity modules.
And remote signalling terminal.


BUD-40/3R type 2 surge protection device for DC string over voltage protection.
Protect the solar equipments like solar panels and solar inverter from surges damage or overvoltage.
Improve the PV system safety for a longer PV system life.
According to PV standard EN 50539 and IEC 61643
The DC surge protection device complies with PV standard EN 50539-11 and future standard IEC 61643-31:
Low-voltage surge protective devices-Part 31: Requirements and tests methods for SPDs for photovoltaic applications.
Plug-in MOV modules
Consisting of a base part and 3 plug-in high energy MOV protection modules.
With thermal disconnect mechanical inside for fault indication by red indicator flag.
600Vdc, 1000Vdc with TUV certificate.
* RoHS
* Remote signalling terminal version
* 1000V Type 2 DC SPD for solar PV application
* EN 50539-11 and future standard IEC 61643-31
* 3 plug-in high energy MOV
* Thermal disconnect inside for fault indication
* 5 years warranty
BUD-40/2 | BUD-40/3R | |
Moulds | 2 | 3 |
SPD according to EN 50539-11 | Type 2 | |
600V | 1000V | |
Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] (Imax ) | 40KA | |
Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] (In ) | 20KA | |
≤ 3.8KV | ||
Response Time (tA ) | ≤ 25 ns | |
Operating state / fault indication | Green/Red | |
Remote Signalling Contact | ||
For mounting on | ||
Degree of protection | IP20 | |
Certificate | TUV | |
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