ABB 2CDS251001R0034 S201-C3 Miniature Circuit Breaker

ABB 2CDS251001R0034 is a professional low voltage miniature circuit breaker designed for electrical protection applications. This product belongs to the ABB System pro M compact S200 series and is identified as S201-C3. It is engineered to provide reliable protection against overload currents and short circuit conditions in electrical distribution systems.

Miniature circuit breakers are essential components in modern electrical installations because they protect cables, equipment, and electrical circuits from abnormal current conditions. ABB 2CDS251001R0034 combines compact design, reliable switching performance, and standardized installation features to meet the requirements of industrial, commercial, and building electrical systems.

The ABB S201-C3 model provides a single-pole configuration with a rated current of 3A and a C-type tripping characteristic. It is designed for DIN rail mounting and supports professional electrical panel integration. :contentReference[oaicite:2]{index=2}

Product Overview of ABB 2CDS251001R0034

ABB 2CDS251001R0034 is part of the ABB System pro M compact S200 miniature circuit breaker family. The S200 series is developed for applications requiring dependable circuit protection, efficient installation, and compatibility with modern electrical distribution systems.

The main function of this miniature circuit breaker is to automatically disconnect an electrical circuit when excessive current occurs. The device uses two protection mechanisms: a thermal release system for overload protection and an electromagnetic release system for short circuit protection.

This combination allows ABB 2CDS251001R0034 to respond effectively to different fault conditions while maintaining reliable operation during normal electrical usage. The compact structure makes it suitable for installation inside electrical distribution boards, automation cabinets, and control panels.

Technical Characteristics

ABB 2CDS251001R0034 is manufactured according to ABB electrical protection standards and provides stable performance for low voltage applications.

• Product Brand: ABB
• Product Model: 2CDS251001R0034
• Extended Product Type: S201-C3
• Product Series: System pro M compact S200
• Product Type: Miniature Circuit Breaker
• Number of Poles: 1 Pole
• Rated Current: 3A
• Tripping Characteristic: C Curve
• Rated Voltage: 230/400V AC
• Short Circuit Breaking Capacity: 6kA
• Mounting Type: DIN Rail Mounting
• Standards: IEC/EN 60898-1, IEC/EN 60947-2, UL1077

The S201-C3 circuit breaker provides a compact width of approximately 17.5mm, allowing efficient use of electrical cabinet space. Its standardized design enables integration with ABB accessories and other System pro M compact components. :contentReference[oaicite:3]{index=3}

Protection Function

The primary function of ABB 2CDS251001R0034 is electrical circuit protection. In industrial and commercial installations, electrical equipment must be protected from excessive current caused by overloads or short circuit faults.

The thermal protection mechanism responds to prolonged overcurrent situations. When current exceeds the rated value for a certain period, the internal thermal element activates the trip mechanism to disconnect the circuit and prevent damage.

The electromagnetic protection mechanism provides rapid response during short circuit conditions. This fast interruption helps reduce the risk of equipment damage and improves electrical system safety.

The C-type tripping characteristic makes this circuit breaker suitable for circuits with moderate starting currents, including certain industrial loads, control equipment, and electrical devices.

Industrial Application Areas

ABB 2CDS251001R0034 is widely used in low voltage electrical systems where reliable circuit protection is required. Typical applications include industrial control cabinets, automation equipment, electrical distribution boards, commercial buildings, and machine installations.

In industrial automation systems, miniature circuit breakers protect control circuits, auxiliary equipment, and electrical components from abnormal current conditions. Reliable protection helps maintain stable operation of automation equipment.

In commercial electrical installations, ABB circuit breakers provide safe protection for lighting systems, control circuits, and auxiliary electrical loads.

For machine builders and system integrators, compact DIN rail circuit breakers simplify panel design and improve electrical system organization.

Design Advantages

One of the main advantages of ABB 2CDS251001R0034 is its compact and modular design. The S200 series follows ABB’s System pro M compact architecture, allowing efficient installation and easy integration with other modular electrical components.

The standardized DIN rail mounting structure reduces installation complexity and allows fast replacement or expansion of electrical systems.

ABB miniature circuit breakers are designed for long operational life and reliable switching performance. The product supports up to 20,000 mechanical operating cycles, making it suitable for applications requiring dependable switching capability. :contentReference[oaicite:4]{index=4}

Integration with Electrical Systems

ABB 2CDS251001R0034 can be integrated into various low voltage electrical architectures. It is commonly installed together with terminal blocks, contactors, power supplies, control devices, and protection accessories.

Modern electrical systems require coordinated protection solutions. Circuit breakers must work together with other components to provide effective fault protection and maintain system availability.

The ABB S200 series supports accessory integration, allowing engineers to expand system functions according to application requirements. :contentReference[oaicite:5]{index=5}

Installation and Maintenance Considerations

Proper installation is important for ensuring reliable operation of ABB 2CDS251001R0034. The circuit breaker should be mounted on a suitable DIN rail and connected according to electrical design specifications.

During installation, engineers should verify rated voltage, current requirements, conductor size, and protection coordination with other electrical devices.

Regular inspection of electrical panels helps maintain system reliability. Maintenance activities may include checking terminal connections, operating conditions, and overall circuit protection performance.

Importance in Low Voltage Protection Systems

Low voltage protection devices are fundamental components in modern electrical infrastructure. They protect equipment, improve operational safety, and help reduce downtime caused by electrical faults.

ABB 2CDS251001R0034 provides a reliable protection solution for applications requiring accurate current protection and compact installation. Its combination of ABB engineering quality, standardized design, and dependable protection functions makes it suitable for a wide range of electrical systems.

As industrial automation and electrical systems continue to become more complex, reliable miniature circuit breakers remain essential for maintaining safe and efficient operation.

Conclusion

ABB 2CDS251001R0034 S201-C3 miniature circuit breaker is a professional low voltage protection device designed for industrial, commercial, and electrical distribution applications. With a 1-pole configuration, 3A rated current, C-type tripping characteristic, and 6kA breaking capacity, it provides dependable protection against overload and short circuit conditions.

Through ABB System pro M compact technology and reliable electrical design, ABB 2CDS251001R0034 supports safe, efficient, and maintainable electrical installations in modern automation and power distribution environments.