ABB Residual Current Circuit Breaker with Overload Protection, 20A Current Rating, 1-Pole 2CSA275103R1204 DS-ARC1 M C20 A30

ABB 2CSA275103R1204 DS-ARC1 M C20 A30 Residual Current Circuit Breaker with Overload Protection is designed to safeguard residential and commercial electrical installations by combining arc fault detection with traditional residual current and overcurrent protection capabilities. This 1-pole device provides a 20 amp current rating and is sensitive to earth leakage currents at 30 milliamps, ensuring rapid disconnection for enhanced electrical safety.

The breaker features a type C tripping characteristic, suitable for applications with moderate inrush currents such as lighting and motor loads. Its DIN rail mount design allows for straightforward installation within standard electrical panels, while the screw terminal type facilitates secure and reliable wiring connections.

Measuring 85mm in height, 85mm in depth, and 52.5mm in width, this compact unit efficiently utilizes panel space. The breaker includes a toggle switch reset actuator that allows manual resetting after trips and is rated to interrupt fault currents up to 10 kiloamperes, providing robust fault handling capability.

This Series DS-ARC1 System pro M Compact range product integrates advanced arc fault detection technology along with residual current and overcurrent protection in a single, three-module width device. It supports supply cabling from both top and bottom with double slots for ease of cross-wiring and compatibility with busbar systems. The device also incorporates LED indicators for troubleshooting and continuous internal self-testing for reliability assurance.

Designed and manufactured in Italy, it meets all relevant IEC and RoHS compliance requirements, making it a dependable component in residential, industrial, and commercial electrical protection systems.

Integrated arc fault detection and residual current protection in one compact device. DIN rail mountable for simplified installation and replacement. Type A earth leakage protection enhances safety against AC and pulsating DC currents.

Toggle switch actuator allows easy manual operation and reset. Robust breaking capacity of 10 kA protects against high short circuits. Dimensions optimized for space efficiency in electrical panels. LED indicators and self-test features improve operational reliability.

Compatible with System pro M compact® accessories and busbars. Manufactured under strict European standards ensuring quality and durability.

Ideal for use in industrial, residential, commercial, and HVAC electrical installations, this Residual Current Circuit Breaker offers comprehensive protection against short circuits, overloads, earth leakages, and arc faults. It is a key component within electrical distribution units, control panels, and safety devices, contributing significantly to electrical safety and system reliability.

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