ABB 2CDS251001R0024 S201-C2 Miniature Circuit Breaker
The ABB 2CDS251001R0024 is a miniature circuit breaker belonging to the ABB System pro M compact S200 Series, developed to provide reliable protection for low-voltage electrical installations. With a single-pole configuration, 2A rated current and C tripping characteristic, this circuit breaker is designed to protect electrical circuits against overload and short-circuit conditions while maintaining stable operation of connected equipment.
Modern electrical systems require accurate and dependable protection devices to improve safety and prevent equipment damage. Excessive current caused by overload conditions or short circuits can generate excessive heat, damage electrical components and interrupt normal system operation. The ABB S201-C2 provides effective circuit interruption by combining thermal and electromagnetic protection mechanisms.
The ABB System pro M compact S200 Series is widely used in industrial, commercial and technical electrical applications due to its compact modular design, reliable performance and flexible installation structure. The ABB 2CDS251001R0024 integrates ABB protection technology with DIN rail mounting capability, making it suitable for distribution boards, automation cabinets and control panels. :contentReference[oaicite:2]{index=2}
Product Features
- Manufacturer: ABB
- Product code: 2CDS251001R0024
- Model: S201-C2
- Product type: Miniature Circuit Breaker
- Single-pole configuration
- Rated current: 2A
- C tripping characteristic
- Thermal overload protection
- Electromagnetic short-circuit protection
- DIN rail mounting design
- Compact modular construction
- Suitable for low-voltage electrical distribution systems
Technical Specifications
| Manufacturer | ABB |
|---|---|
| Product Number | 2CDS251001R0024 |
| Extended Product Type | S201-C2 |
| Series | System pro M compact S200 |
| Number of Poles | 1 Pole |
| Rated Current | 2A |
| Tripping Characteristic | C Curve |
| Rated Voltage | 230/400V AC |
| Short Circuit Breaking Capacity | 6kA |
| Mounting Type | 35mm DIN Rail |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
Thermal and Magnetic Protection Technology
The ABB 2CDS251001R0024 uses advanced thermal and electromagnetic release technology to provide dependable circuit protection. The thermal release mechanism is designed to respond to prolonged overload conditions. When electrical current exceeds the safe operating level for an extended period, the thermal element activates and disconnects the circuit to prevent overheating.
The electromagnetic release mechanism provides fast response during short-circuit conditions. When a sudden high fault current occurs, the magnetic mechanism quickly activates to interrupt the circuit and reduce the risk of damage to electrical equipment. This combination of delayed thermal protection and rapid electromagnetic protection allows the ABB S201-C2 to provide balanced and reliable circuit protection. :contentReference[oaicite:3]{index=3}
C Curve Tripping Characteristic
The C tripping characteristic of the ABB 2CDS251001R0024 is designed for general electrical applications where moderate startup currents may occur. It allows temporary current increases during normal equipment operation while maintaining reliable protection against overload and short-circuit faults.
The ABB S201-C2 is suitable for circuits containing lighting equipment, control devices, power supplies and other electrical loads with normal inrush current requirements. The C curve provides a balanced relationship between operational continuity and electrical safety.
Installation and System Integration
The ABB 2CDS251001R0024 is designed for easy installation on standard 35 mm DIN rails. Its compact modular design allows efficient integration into electrical distribution boards, control cabinets and automation systems.
The standardized ABB S200 Series structure enables combination with various modular electrical components. This provides flexibility for engineers and system integrators when designing customized low-voltage protection solutions.
Industrial and Commercial Applications
The ABB 2CDS251001R0024 is designed for a broad range of low-voltage electrical protection applications across industrial, commercial and infrastructure environments. Its single-pole configuration and 2A rated current make it particularly suitable for protecting individual branch circuits where precision, reliability and consistent protection performance are essential.
Within industrial automation systems, control panels often contain programmable logic controllers, human-machine interfaces, communication gateways, sensors, relays and low-power control devices that require dependable overcurrent protection. The ABB S201-C2 helps isolate abnormal electrical conditions before they can affect other parts of the control system, improving equipment reliability and reducing unexpected downtime.
Commercial buildings also benefit from the reliable operation of the ABB 2CDS251001R0024. The circuit breaker can be used in lighting circuits, monitoring systems, instrumentation panels, building automation systems and auxiliary electrical equipment where accurate low-current protection contributes to long-term operational stability.
The compact dimensions of the breaker allow panel builders to maximize available cabinet space while maintaining an organized wiring layout. This simplifies future maintenance, equipment upgrades and troubleshooting activities throughout the service life of the electrical installation.
Advantages of ABB 2CDS251001R0024
- Reliable overload and short-circuit protection for low-voltage electrical circuits.
- C tripping characteristic suitable for general electrical distribution applications.
- Single-pole compact design for efficient use of cabinet space.
- Thermal and electromagnetic protection integrated into one device.
- Fast fault interruption helps protect cables and connected equipment.
- 35 mm DIN rail mounting simplifies installation and replacement.
- Compatible with ABB System pro M compact S200 modular distribution systems.
- Designed according to internationally recognized electrical protection standards.
- Suitable for industrial automation, commercial facilities and building electrical infrastructure.
- Stable mechanical switching performance for long-term operational reliability.
Maintenance and Operational Reliability
The ABB 2CDS251001R0024 is engineered for dependable long-term operation under normal service conditions. Although the breaker requires very little routine maintenance, regular inspection of the electrical installation is recommended to maintain maximum protection performance.
Inspection procedures should include verification of terminal tightness, confirmation of correct mechanical operation and visual examination for signs of overheating, contamination or physical damage. Maintaining clean electrical cabinets with adequate ventilation helps preserve the operating characteristics of all protection devices installed within the distribution system.
When an overload or short-circuit event occurs, the breaker provides a clearly identifiable switching position that assists maintenance personnel in locating the affected circuit quickly. This supports faster troubleshooting, reduces maintenance time and helps restore electrical systems efficiently.
Using properly rated conductors and following recommended installation practices further improves the overall reliability of the electrical distribution system and contributes to longer equipment service life.
Frequently Asked Questions
What is ABB 2CDS251001R0024 used for?
ABB 2CDS251001R0024 is a single-pole miniature circuit breaker designed to provide overload and short-circuit protection for low-voltage electrical circuits used in industrial automation, commercial buildings and electrical distribution systems.
What does S201-C2 mean?
S201 identifies a single-pole miniature circuit breaker within the ABB System pro M compact S200 Series. The letter C indicates the tripping characteristic, while the number 2 represents the rated current of 2 amperes.
Why is a C curve miniature circuit breaker widely used?
A C characteristic breaker is suitable for circuits that experience moderate temporary inrush currents during normal operation. It provides dependable overload and short-circuit protection while minimizing unnecessary tripping during equipment startup.
Where can the ABB S201-C2 be installed?
The breaker is designed for installation on standard 35 mm DIN rails inside distribution boards, electrical control cabinets, automation panels and other low-voltage switchgear assemblies requiring reliable circuit protection.
Conclusion
The ABB 2CDS251001R0024 S201-C2 miniature circuit breaker combines ABB engineering expertise with dependable protection technology for modern low-voltage electrical systems. Its single-pole construction, 2A rated current, C tripping characteristic and thermal-magnetic operating principle provide reliable protection against overload and short-circuit conditions across a wide range of electrical applications.
Whether installed in industrial automation systems, commercial electrical distribution panels, machinery control cabinets or technical infrastructure projects, the ABB S201-C2 delivers stable operating performance, efficient fault protection and straightforward DIN rail installation. Its compact modular design, compliance with international electrical standards and long-term reliability make it an excellent choice for engineers, panel builders and maintenance professionals seeking high-quality miniature circuit protection solutions.
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