ABB DSE201 C10 AC30 Residual current circuit breaker

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1. Product Overview

The ABB DSE201 C10 AC30 Residual Current Circuit Breaker is part of the ABB DSE series. It combines overload, short-circuit, and residual current protection in one device, designed for residential, commercial, and industrial low-voltage distribution systems. The breaker effectively detects and disconnects leakage currents, preventing electric shocks and fire hazards while ensuring safe circuit operation.

2. Technical Specifications

• Model: DSE201 C10 AC30

• Product Type: Residual Current Circuit Breaker (RCB/RCCB)

• Series: ABB DSE201

• Poles: 1P+N (single pole + neutral)

• Rated Current: 10 A

• Rated Residual Operating Current: 30 mA

• Rated Voltage: 230/400 V AC

• Breaking Capacity: 6 kA

• Tripping Characteristic: Type C (overload and short-circuit protection)

• Residual Current Type: AC type (detects AC leakage current)

• Mounting: DIN rail

• Operating Frequency: 50 / 60 Hz

• Mechanical Life: ≥ 10,000 operations

• Electrical Life: ≥ 4,000 operations

• Ambient Temperature: –25 ℃ to +40 ℃

• Degree of Protection: IP20

• Standards: IEC 61009 / EN 61009

3. Advantages and Features

1. Dual Protection
   Provides both overload/short-circuit and residual current protection.

2. High Sensitivity Leakage Protection
   30 mA rated residual current effectively prevents electric shock.

3. Standardized Installation
   DIN rail mounting allows quick installation and replacement in distribution boards.

4. High Reliability
   Long mechanical and electrical life, suitable for long-term use.

5. Wide Application
   Suitable for residential, commercial, and small industrial distribution systems.

4. Applications

• Residential low-voltage distribution

• Commercial building power distribution

• Small industrial power and control systems

• Electrical tool and small equipment protection

• Distribution boards and switchgear

5. Installation and Usage Notes

1. Verify rated current, poles, and residual current rating before installation.

2. Ensure the power supply is disconnected before installation or maintenance.

3. Connect phase and neutral correctly according to the wiring diagram.

4. Regularly test the residual current function to ensure protection reliability.

5. Avoid installation in high-humidity or corrosive environments; provide protective measures if necessary.