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Safety
viii 975-0253-01-01
Regulatory Compliance
The GT Inverter is CE Marked for the following Directives and standards:
• Low Voltage Directive 73/23/EEC, per EN50178 “Electronic Equipment for Use in Power
Installations”.
• EMC Directive 89/336/EEC, per:
• EN61000-6-3 “Emission Standard for Residential, Commercial, and Light-Industrial
Environments”
• EN61000-6-1 “Immunity for Residential, Commercial, and Light-Industrial Environments”
• EN61000-3-2 “Limits for Harmonic Current Emissions”
• EN61000-3-3 “Limitations of Voltage Fluctuations and Flicker”.
The GT Inverter is designed for utility interactive operation. It has complete on-board over-current, over-
temperature and anti-islanding protection. It monitors voltage and frequency of the utility grid and
automatically stops supplying power whenever conditions on the utility grid deviate from standard levels
(see Specifications).
The GT Inverter is equipped with a high frequency transformer that assures galvanic isolation between the
DC side and the utility power grid.
German models have an integrated ENS and comply with the VDE 0126 regulations for supplementary
grid connection, especially to the “regulation for the supplementary grid feeding with photovoltaic
electricity producing facilities to the low voltage power supply grid” issued by the VDEW.
Spanish models comply with Royal Decree 1663/2000, dated on September 29, regarding the connection
of photovoltaic installations to the low tension network.