ABB 2CDS251103R0104 S201-C10NA Miniature Circuit Breaker

Product Overview

ABB 2CDS251103R0104 is an S201-C10NA miniature circuit breaker developed for modern low voltage electrical protection applications. It belongs to ABB’s S200 series and System pro M compact product family, which provides modular protection solutions for residential, commercial, industrial, and automation electrical systems.

The device is designed to protect electrical circuits against overload conditions and short circuit faults. With a compact modular structure, reliable switching performance, and standardized installation design, ABB 2CDS251103R0104 provides an efficient solution for electrical distribution systems requiring stable and accurate circuit protection.

The product features a 10A rated current, C tripping characteristic, and 1P+N configuration. It is suitable for single-phase applications where both phase and neutral conductors require coordinated disconnection. The circuit breaker provides a 6kA short circuit breaking capacity and supports reliable protection in various low voltage installations. :contentReference[oaicite:1]{index=1}

Product Features

ABB 2CDS251103R0104 combines advanced protection technology with ABB’s modular electrical component design. The device uses thermal and electromagnetic tripping mechanisms to provide protection against different types of electrical faults.

• Product model: ABB 2CDS251103R0104
• Product type: Miniature Circuit Breaker (MCB)
• Series: ABB S200
• Extended type: S201-C10NA
• Rated current: 10A
• Tripping characteristic: C curve
• Configuration: 1P+N
• Rated voltage: 230/400V AC
• Short circuit breaking capacity: 6kA
• DIN rail mounting design

The C curve characteristic allows ABB 2CDS251103R0104 to provide balanced protection for circuits with moderate starting current requirements. It is commonly used for applications containing electrical loads such as control equipment, lighting systems, small motors, and general industrial devices.

Technical Design and Operating Principle

ABB 2CDS251103R0104 adopts a current limiting miniature circuit breaker structure. The internal thermal release mechanism provides delayed protection when continuous overload conditions occur, while the electromagnetic release mechanism provides rapid interruption during short circuit events.

This dual protection method allows the circuit breaker to respond effectively to different abnormal operating conditions. When current exceeds the permitted range, the device automatically disconnects the electrical circuit to reduce risks caused by overheating, wiring damage, or electrical faults.

The compact housing design supports efficient installation inside electrical distribution panels and control cabinets. The modular dimensions allow multiple ABB protection components to be arranged in an organized manner, helping engineers optimize cabinet space and simplify system configuration.

System pro M compact Platform Advantages

ABB System pro M compact is a modular product platform designed for low voltage electrical protection and control applications. The series provides consistent mechanical dimensions, flexible accessory integration, and reliable operating performance for different installation environments.

As part of the ABB S200 series, ABB 2CDS251103R0104 benefits from this modular concept. The device can be integrated with compatible ABB accessories and other protection components to create customized electrical distribution solutions.

The standardized design makes installation, expansion, and maintenance more convenient for electrical professionals. This is especially useful in industrial automation projects where electrical cabinets require compact layouts and reliable protection functions.

Application Areas

ABB 2CDS251103R0104 is widely used in low voltage electrical distribution systems where dependable circuit protection is required. Its compact design and reliable performance make it suitable for many professional electrical applications.

In industrial environments, the miniature circuit breaker can be installed in control panels, automation cabinets, and machine electrical systems to protect auxiliary circuits and electrical branches. It helps maintain stable operation by isolating faulty circuits when abnormal current conditions occur.

In commercial buildings and infrastructure projects, ABB 2CDS251103R0104 can be applied to lighting circuits, power distribution boards, and facility electrical systems. The 1P+N configuration provides additional convenience when complete circuit isolation is required.

Installation Characteristics

ABB 2CDS251103R0104 is designed for standard DIN rail mounting, allowing quick installation in electrical distribution assemblies. The modular structure enables efficient arrangement with other ABB components while maintaining clear identification and accessibility.

The device supports connection methods commonly used in professional electrical installations. Its compact dimensions help reduce panel space requirements while maintaining reliable protection capability.

The optimized mechanical structure provides stable operation during repeated switching actions. According to ABB product information, S200 series miniature circuit breakers are designed with reliable mechanical performance and comply with international electrical standards including IEC/EN 60898-1 and IEC/EN 60947-2. :contentReference[oaicite:2]{index=2}

Protection Reliability

Reliable circuit protection is essential for maintaining electrical system safety and operational continuity. ABB 2CDS251103R0104 helps protect electrical equipment by automatically interrupting circuits when overload or short circuit conditions exceed safe operating limits.

The combination of accurate tripping characteristics, robust mechanical construction, and ABB engineering technology makes this miniature circuit breaker suitable for applications where long-term protection performance is required.

By using ABB 2CDS251103R0104 within an electrical protection system, engineers can improve system safety, reduce equipment risks, and create more efficient low voltage distribution solutions.

Conclusion

ABB 2CDS251103R0104 S201-C10NA miniature circuit breaker is a reliable protection component designed for modern low voltage electrical systems. With a 10A rated current, C characteristic curve, 1P+N configuration, and ABB S200 series technology, it provides effective protection against overload and short circuit conditions.

Combining compact installation design, flexible application capability, and ABB’s professional electrical engineering standards, ABB 2CDS251103R0104 is an excellent choice for industrial automation systems, commercial electrical installations, and low voltage distribution applications requiring safe and stable operation.