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2CSR275189R1205 ABB DS201MB20A30110V RCBO 1P+N Type A B20 30mA 110V 10kA
ABB DS201MB20A30110V is a 20 A 1P+N Type A RCBO for 110 V AC circuits with B-curve tripping, 30 mA residual current sensitivity and 10 kA short-circuit breaking capacity.
£131.12
Why Choose the ABB DS201MB20A30110V RCBO?
The ABB DS201MB20A30110V is a compact and reliable residual current circuit breaker with overcurrent protection (RCBO) designed to protect single-phase circuits against overloads, short circuits and earth leakage faults. Part of the ABB DS201 M series, it combines miniature circuit breaker and residual current protection functions within a single modular device.
This RCBO features a 20 A rated current, Type B tripping characteristic and Type A residual current detection. Type A protection responds to sinusoidal AC residual currents and pulsating DC residual currents, while the B-curve characteristic is suited to circuits with relatively low normal inrush currents.
Designed for 110 V AC operation, the DS201MB20A30110V has a 30 mA rated residual operating current and 10 kA rated short-circuit breaking capacity. Its 1P+N configuration switches both line and neutral, with overcurrent protection provided on the line pole.
Key Advantages
- Combines overcurrent and residual current protection in one compact RCBO.
- 20 A rated current for single-phase circuit protection.
- Designed for 110 V AC circuits.
- 30 mA residual current sensitivity for earth leakage protection.
- Type A residual current detection for sinusoidal AC and pulsating DC residual currents.
- Type B tripping characteristic suited to circuits with relatively low inrush currents.
- 10 kA rated short-circuit breaking capacity for robust fault protection.
- DIN-rail format simplifies installation in modular electrical distribution boards.
Key Features
- ABB DS201 M series RCBO.
- 20 A rated current.
- B-curve tripping characteristic.
- Type A residual current protection.
- 30 mA rated residual operating current.
- 1P+N configuration with one protected pole.
- 110 V AC rated voltage.
- 50–60 Hz rated frequency.
- 10 kA rated short-circuit breaking capacity.
- DIN-rail mounting for modular electrical distribution equipment.
Reliable Combined Circuit and Residual Current Protection
RCBOs such as the ABB DS201MB20A30110V combine thermal-magnetic overcurrent protection with residual current protection in a single modular device. This enables an individual circuit to be protected against overloads, short circuits and earth leakage faults without requiring separate miniature circuit breaker and residual current circuit breaker devices.
The DS201 M Type A design detects sinusoidal AC and pulsating DC residual currents, while the B-curve characteristic is suited to circuits with relatively low normal inrush currents. The 110 V AC rating makes this variant suitable for installations designed around that supply voltage, while its 30 mA residual operating threshold provides sensitive earth leakage protection.
Typical Applications
- 110 V AC single-phase electrical distribution circuits.
- Commercial and industrial distribution boards.
- Industrial auxiliary and control circuits.
- Lighting and building-services circuits.
- Circuits with relatively low starting or inrush currents.
- Applications requiring Type A 30 mA residual current protection.
Technical Specifications
| Series | DS201 M |
|---|---|
| ABB order code | 2CSR275189R1205 |
| Product type | Residual current circuit breaker with overcurrent protection (RCBO) |
| Configuration | 1P+N |
| Number of poles | 2 |
| Number of protected poles | 1 |
| Rated current | 20 A |
| Tripping characteristic | B |
| Residual current type | Type A |
| Rated residual operating current | 30 mA |
| Rated voltage | 110 V AC |
| Rated frequency | 50–60 Hz |
| Rated short-circuit breaking capacity | 10 kA |
| Rated insulation voltage (Ui) | 500 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Standard | IEC/EN 61009-1 |
| Mounting type | DIN rail |
Frequently Asked Questions
What is the ABB DS201MB20A30110V used for?
The ABB DS201MB20A30110V is an RCBO designed to protect 110 V AC single-phase circuits against overloads, short circuits and residual earth leakage currents.
What is the current rating of the DS201MB20A30110V?
The DS201MB20A30110V has a rated current of 20 A and uses a Type B tripping characteristic.
What residual current protection does this RCBO provide?
It provides Type A residual current protection with a rated residual operating current of 30 mA, detecting sinusoidal AC and pulsating DC residual currents.
What voltage is the ABB DS201MB20A30110V designed for?
The DS201MB20A30110V is designed for a rated operating voltage of 110 V AC.
What does 1P+N mean on the DS201MB20A30110V?
The 1P+N configuration means the device switches both the line and neutral conductors, with overcurrent protection provided on the line pole.
Trusted ABB Circuit Protection
ABB DS201 M RCBOs combine overcurrent and residual current protection in a compact modular format for dependable protection of single-phase electrical circuits.
