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High-reliability current monitoring
Home photovoltaic installations
Auto-V LoZ: Low impedance function to prevent ghost voltage readings
Relay Output: Programmable for control signaling
ABB DDA64 RCD Block 25A 30mA 4P AC Residual Current Device | 230/400V filtro High-reliability current monitoringABB DDA 64 Residual Current Block 25A 30mA (RCD Block) The ABB DDA series residual current block is designed to protect electrical circuits from leakage currents. It is used in combination with miniature circuit breakers (MCB), providing enhanced safety for both equipment and users. Key Features: Manufacturer: ABB Model: DDA 64 Rated current: 25A Residual current: 30mA Type: AC Number of poles: 4 Rated voltage: 230 400V Mounting: DIN rail Functions: