2CSB204101R1250 ABB - DDA204 A-25/0,03

The ABB DDA204 A-25/0.03 is a residual current device (RCD) belonging to the DDA200 series, designed to provide enhanced electrical safety. This particular model is a 4-pole device, making it suitable for three-phase systems with a neutral conductor. It is intended for use with S200 series miniature circuit breakers (MCBs), forming a compact and reliable protection solution. The DDA204 A-25/0.03 has a rated current of 25A, indicating the maximum current it can continuously carry without tripping. Its sensitivity is 30mA, meaning it will trip when a leakage current to earth exceeds this value, quickly disconnecting the circuit to prevent electric shock. This RCD operates at a voltage of 230/400V AC, which is standard for many residential and commercial applications. It offers protection against both overload and short-circuit currents, as well as residual currents. The device is designed for easy installation and integration with other ABB modular DIN rail components. By detecting and interrupting fault currents, the DDA204 A-25/0.03 significantly reduces the risk of electrical hazards and equipment damage, ensuring a safer electrical environment.