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DC surge protection device

Type 1+2 for 2 MPP Tracker

The surge protection device type 1+2 for direct and indirect lightning strikes is suitable for use with the Fronius Symo GEN24 Plus and Fronius Primo GEN24 Plus (all power categories) inverters and therefore fulfils the standard requirement of installing a DC fuse near the inverter1).
The surge protective device is equally applicable for all devices, regardless of whether 1 or 2 trackers are being used. When only one tracker is in operation, one input on the surge protective device remains unassigned.
Thanks to the adjustable, integrated remote signalling function, the system operator is notified automatically viathe Fronius Solar.web2) online portal whenever the surge protective device trips.

The surge protective device comes as an upgrade kit and can be installed into the inverter connection area in a few minutes. 

Product details


113 mm
105 mm
54 mm
Nominal voltage1000 VDC
Highest continuous voltage1200 VDC
Connection cross sectionPV 6mm², Signal 0,5mm²
Weight0,72 kg
Weight incl. packaging0,84 kg

1) Since April 2019, DIN VDE 0100-712 requires that a DC fuse be installed on PV systems. In DIN VDE Appendix ZB Section712.534 DE, it is stipulated that the surge protective devices be fitted on the DC side as close to the inverter as possible.By installing the DC SPD 8.2 type 1+2 M surge protective device, these standard requirements are fulfilled.

2) A Fronius Solar.web account is required

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