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Communication Interfaces
and commissioning should only be carried out following appropriate electrical inspection by qualified technical personnel
it ensures reliable and continuous operation
R-096P-003
230 V (phase-to-neutral)
SPI CEI 0-21 BY2537 Interface Protection System | Grid Protection Relay | 230/400 V AC | CEI 0-21 Compliant | Solar / Generator Safety Device power unit Communication InterfacesThe By Tronic S. r. l. SPI CEI 0 21 BY2537 is a professional Interface Protection System (Sistema di Protezione di Interfaccia) fully compliant with the CEI 0 21 standard for low voltage grid connected power generators. It continuously monitors network parameters voltage, frequency, and phase and safely disconnects the photovoltaic or generator system from the grid whenever abnormal conditions are detected. Designed and manufactured in Italy by By