Fronius Eco - DC Surge Protection Device (SPD) Options; Retrofitting DC SPD-S to Fronius Symo

DC SPD option
Overview of DC
SPD option
Surge protection (DC SPD option) can be ordered pre-installed or can be retro-
fitted to the inverter later. Depending on the device type and operating mode, a
suitable type must be installed:
TYPE 1+2 -
S
4,251,024
TYPE 1+2 -
M
4,251,025
TYPE 2 - S
4,251,019
TYPE 2 - M
4,251,020
Symo Multi MPP
Tracker
mode
Single MPP
Tracker
mode
ECO
* *
*Note: The PV current is displayed distorted by the hardware topology used.
Retrofitting the
DC SPD‑S option
to the Fronius
Symo
The DC cables can be connected to the DC terminals without ferrules.
To retrofit the DC SPD-S option to the inverter:
1 2
51
EN