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ABB 2P 25A 30mA RCBO (DS201-C25/0.03) – Home

03 is a 25A, 30mA (Type AC) 2P RCBO designed to provide comprehensive earth leakage, overload, and short-circuit protection in residential applications.

Quick Answer

Yes, the ABB DS201-C25/0.03 is an essential purchase for safeguarding residential circuits in India. Its 25A, 30mA rating offers critical protection against earth leakage, overload, and short-circuit faults, preventing electrocution and property damage. This Italian-made RCBO ensures localized tripping, avoiding widespread power outages in your home. It's ideal for new installations or upgrades prioritizing safety.

✓Protects residents from direct contact shocks — 30mA residual current sensitivity trips the circuit in ≤300ms.
✓Rated for 25A continuous load with Type C tripping curve — manages moderate inrush currents from household appliances without nuisance tripping.
✓Halogen-free housing prevents toxic smoke during overheating — flammability rated to UL94 V-2 and glow wire tested at 850°C.
✓6kA breaking capacity provides high-level circuit security — ensures the device safely interrupts high-magnitude fault currents at 230V.
✓Built for decades of reliable mechanical operation — mechanical endurance rated at 20,000 cycles for long-term home safety.
✓Screw terminal design supports diverse wiring needs — accepts rigid cables up to 10mm² and flexible cables up to 6mm².

Opt for the ABB DS201-C25/0.03 if you need comprehensive 25A residential circuit protection against earth leakage and overcurrents in India. It's ideal for localized safety without system-wide trips. Avoid if your application demands different current ratings or industrial-grade devices.

Product Overview
The ABB DS201-C25/0.03 is a 25A, 30mA (Type AC) 2P RCBO designed to provide comprehensive earth leakage, overload, and short-circuit protection in residential applications. Manufactured in Italy, this 230V device is installed at the final circuit level to ensure localized safety without tripping the entire electrical system. It serves as a dual-purpose safety mechanism, replacing the need for separate MCB and RCCB units in high-density distribution boards.

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Engineering Analysis
The Type AC 30mA sensitivity is vital for residential circuits because it detects sinusoidal leakage currents that can cause ventricular fibrillation in humans. With a 6kA breaking capacity, this device is engineered to survive the high thermal stresses of residential short circuits, while the 1P+N configuration ensures the neutral wire is switched for complete electrical isolation. The inclusion of a Class 3 energy limiting feature ensures minimal let-through energy during faults, protecting downstream wiring from degradation.

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