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03 is a 40A, 2-pole (1P+N) Residual Current Breaker with Overcurrent protection designed for residential final circuits.Manufactured in Italy, this device provides essential protection against earth leakage, overloads, and short circuits in a compact 2-module width.
Quick Answer
Invest in the ABB DS201-C40/0.03 if you require high-capacity 40A protection against both electrical faults and life-threatening shocks. This Italian-made unit integrates seamlessly into residential distribution boards, offering a reliable 30mA trip threshold that generic breakers simply cannot match.
Select this 40A RCBO for mission-critical residential safety where Italian build quality is preferred over budget alternatives. It is the definitive choice for modern apartments, though overkill for basic low-ampere lighting circuits.