Fronius Symo 12.5-3-M Installation Instructions

Tightly sealing the conduits 49
Seal conduits 49
Serial Number Sticker for Customer Use 50
Serial number sticker for customer use 50
DC SPD option 51
Overview of DC SPD option 51
Retrofitting the DC SPD‑S option to the Fronius Symo 51
Retrofitting the DC SPD‑M option to the Fronius Symo 52
Retrofitting the DC SPD‑S option to the Fronius Eco 54
Factory-installed DC SPD option wiring 56
Access the Basic menu 57
Settings in the Basic menu 58
DC-plug +- pair MC4 option 60
General 60
4

Fronius Symo 12.5-3-M Specifications

General

Dimensions	725 x 510 x 225 mm
Protection class	IP 66
Topology	Transformerless
Operating temperature range	-25°C to +60°C
Max. output current	18.1 A
THD	< 3%
Number of MPP trackers	2
Maximum Input Voltage	1000 V
Warranty	5 years
AC nominal output	12500 W
Max. apparent AC power	12500 VA
DC input voltage range	200 V - 1000 V
MPP voltage range	200 V - 800 V
AC nominal voltage	3 x 230 / 400 V