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ABB 2P 20A 30mA RCBO (DS201-C20/0.03) –

03 is a 20A, 2-pole (1P+N) Residual Current Breaker with Overcurrent protection designed specifically for 230V residential applications.It integrates earth leakage, short circuit, and overload protection into a single 36mm wide device, meeting IS 12640 and IEC 61009-1 standards.

Quick Answer

Yes, you should definitely consider the ABB DS201-C20/0.03 if you need robust, integrated electrical protection for your residential circuits. This 2P 20A RCBO combines overload, short-circuit, and 30mA earth leakage protection in one compact 36mm unit, meeting stringent IS 12640 and IEC standards. Its 6kA breaking capacity and rapid trip time ensure superior safety against common electrical faults, making it ideal for safeguarding occupants in any 230V home. It's a smart investment for comprehensive safety.

✓Protects life against leakage—30mA residual current sensitivity trips instantaneously.
✓6kA breaking capacity handles significant short-circuit events to protect wiring integrity.
✓Saves valuable space in DBs—compact 2-module (36mm) design fits standard DIN rails.
✓20,000 cycle mechanical endurance ensures reliable operation over decades of residential use.
✓Prevents nuisance trips—Type AC sensitivity ignores non-sinusoidal currents below 15mA.
✓IP20 protection rating ensures safety against finger contact during maintenance.

For homeowners and electricians seeking comprehensive, reliable 230V protection in residential setups, the ABB DS201-C20/0.03 is an excellent choice. It simplifies wiring with its all-in-one design, providing critical earth leakage, overload, and short-circuit protection. This RCBO is perfect for upgrading standard home final circuits, but specialized industrial or high-current applications would require a different solution.

Product Overview
The ABB DS201-C20/0.03 is a 20A, 2-pole (1P+N) Residual Current Breaker with Overcurrent protection designed specifically for 230V residential applications. It integrates earth leakage, short circuit, and overload protection into a single 36mm wide device, meeting IS 12640 and IEC 61009-1 standards. This Type AC RCBO ensures instantaneous tripping at 30mA to safeguard residents from direct contact shocks.

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Engineering Analysis
The 30mA sensitivity is the industry standard for life safety, as it trips in ≤40ms at 5x rated residual current to prevent cardiac arrest. A 6kA breaking capacity provides a high safety margin for residential final circuits where prospective fault currents are usually low. The 1P+N configuration with a switched neutral ensures the entire circuit is isolated during a fault, preventing potential neutral-to-earth voltage hazards.

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