ABB Residual Current Circuit Breaker with Overload Protection 20A, 1-Pole, 30 mA Trip Sensitivity, Type B DS-ARC1 M B20 A30

ABB DS-ARC1 M B20 A30 Residual Current Circuit Breaker with Overload Protection is a state-of-the-art 1-pole device designed for enhanced electrical safety and protection in residential, commercial, and industrial installations. With a current rating of 20A and trip sensitivity of 30 mA, it effectively detects earth leakage currents and prevents electrical hazards.

This device integrates an arc-fault detection device (AFDD) combined with residual current and overload protection, providing comprehensive protection against overvoltages, arc faults, and overcurrents. The thermal magnetic tripping mechanism ensures reliable response to faults, safeguarding connected circuits.

Mounting on DIN rails and screw-type terminal connections simplify installation and maintenance. Its compact three-module width design optimizes panel space utilization. The device operates at a rated AC voltage of 240 V and offers a breaking capacity of 10kA, making it suitable for heavy-duty usage.

Additional features include continuous internal self-testing, dual test buttons for AFDD and RCD verification, and LED indicators for quick fault diagnosis, enhancing operational reliability and ease of troubleshooting. The supply connection flexibility from both top and bottom sides allows versatile wiring options, supported by system pro M compact® busbars compatibility.

Designed for DIN rail mounting with screw terminals for secure installation. Rated AC voltage of 240V with 10kA breaking capacity ensures robust electrical protection. Provides earth leakage protection of Type A and includes toggle switch reset actuator.

Compact dimensions of 52.5mm width, 85mm height, and 85mm depth for space-saving applications. Complies with RoHS and IEC standards ensuring quality and safety. Integrated AFDD with internal continuous self-test and LED troubleshooting indicator.

Suitable for use in residential, commercial, and industrial electrical protection systems. Supply connection possible from both top and bottom sides with double slots for easy wiring.

This Residual Current Circuit Breaker is ideal for enhancing electrical safety, reducing fire risks from arc faults, and protecting circuits from overloads. It is widely used in home automation, electrical distribution boards, industrial controls, and commercial buildings. Explore more ABB electrical components and circuit breakers on EnvMart for comprehensive electrical solutions.