Omron Electronic Components Europe has re-engineered two relay families specifically to address the very specific low power and long term reliability characteristics required for grid-connected solar PV and wind turbine inverters, charge controllers, battery powered UPS back-up systems and similar applications.
Grid tied solar PV inverters use pairs of monostable grid protection relays whose operation is essential to ensure system and user safety. The key challenges in the design of these relays are that their power consumption has to be extremely low yet they need to operate very quickly when required under hot start conditions. Omron has re-engineered its G7L-PV DPST-NO and G8P SPST-NO range specifically to meet these requirements, with a fast operate time of typically 20ms, long life and a low power coil. Both devices address the applicable standards which are IEC62109-1, 2 (July 2011) and VDE0126-1.
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