Schneider Electric Residual Current Circuit Breaker with Overload Protection, 20A Current Rating, 3-Pole, 30 mA Trip A9DA3720

Schneider Electric A9DA3720 Residual Current Circuit Breaker with Overload Protection is a high-performance industrial electrical component designed to provide robust circuit protection. This 3-pole circuit breaker supports a 20A current rating and has a trip sensitivity of 30 mA, ideal for detecting earth leakage currents to prevent electrical hazards.

It incorporates a thermal-magnetic trip mechanism that swiftly reacts to overloads and short circuits, ensuring circuit integrity. The product is DIN rail mountable and features tunnel-type terminals facilitating secure and efficient wiring. Its compact size of 93mm height, 90mm width, and 73mm depth allows for optimal panel installation in tight spaces.

Built to meet stringent EN/IEC 60947-2 and RoHS standards, this breaker guarantees compliance with international safety and environmental requirements. The device operates reliably across ambient temperatures from -5 to 60 °C and resists high humidity levels up to 95%, making it suitable for diverse industrial and residential environments.

The circuit breaker delivers a robust breaking capacity of 10kA at 400 V AC, providing reliable protection against high fault currents. It includes a user-friendly toggle switch actuator offering clear ON/OFF and trip status indication. Additionally, its impulse withstand voltage rating of 4 kV enhances resistance to voltage spikes.

Designed with safety in mind, the breaker is padlockable, allowing for lock-out/tag-out procedures during maintenance or installation. This Schneider Green premium class product is part of the Acti9 iDD40N series known for energy-efficient, environmentally friendly electrical devices.

Applications for this RCBO span electrical distribution, residential installations, and industrial overload protection. Its robust design facilitates long-term durability with an electrical durability of 20,000 cycles.

Features thermal-magnetic tripping mechanism for overload and short-circuit protection. Mounts easily on DIN rails with tunnel-type terminals for secure wiring. Complies with EN/IEC 60947-2 and RoHS standards ensuring safe industrial use.

Rated for 400V AC voltage with 10kA breaking capacity for heavy-duty protection. Equipped with toggle switch actuator for intuitive ON/OFF and trip indication. Compact dimensions: 93mm height, 90mm width, and 73mm depth optimize panel space.

Designed for residential, distribution, and overcurrent protection applications. Operates in ambient temperatures from -5 to 60 °C with 95% relative humidity resistance. Impulse withstand voltage at 4 kV increases durability against surges.

Padlockable for enhanced safety during maintenance. Browse the extensive range of Schneider Electric products and Residual Current Circuit Breakers on EnvMart for advanced electrical protection solutions.