Fujitsu relays for solar energy systems
Fujitsu Components
Power relays
Fujitsu Components' product range contains power relays that are tailored to be used in solar energy systems.
Solar energy is produced by gathering sunlight and converting it into electricity.
Solar panels are used to convert the solar energy into electricity.
A solar panel contains solar cells made of silicon.
This material is capable of converting daylight into electrical energy (called photovoltaic).
An inverter located near the panel transforms the generated DC power into AC power and feeds this new electricity into the electricity network.
Supplying the generated electricity to the electricity network requires an interface between the solar converter and the power grid.
The circuit-break function between the converter and the power grid must have a contact gap of >= 1.5mm (according to safety standard DIN VDE 0126-1-1).
Fujitsu offers three different relays that meet these requirements.
The FTR-K2G with a contact gap of 3mm is one of the (AC) relays within Fujitsu's power relay line-up that is suitable for integration in solar energy systems.
The FTR-K3-WG and FTR-F4G relays have also been introduced.
Both relays meet the safety requirements with a contact gap of 1.5mm.
The DC relays FTR-J2 and FTR-K2W are suitable to be integrated in the solar energy system to switch on/cut off the DC voltage generated by the solar panel.
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