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.
* Remote signalling terminal version
* EN 50539-11 and future standard IEC 61643-31
* 3 plug-in high energy MOV
* Thermal disconnect inside for fault indication
* 5 years warranty
SPD according to EN 50539-11
Max. discharge current (8/20 µs) [(DC+/DC-) --> PE] (Imax )
Nominal discharge current (8/20 µs) [(DC+/DC-) --> PE] (In )
Response Time (tA )
≤ 25 ns
Operating state / fault indication
Remote Signalling Contact
For mounting on
Degree of protection