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ABB S201MT-C25NA MCB – S200M – 1P+N – C – 25A
ABB S201MT-C25NA miniature circuit breaker from the S200MT series, featuring 25 A rated current, C characteristic, 1P+N configuration and 10 kA breaking capacity for railway and traction applications.
£63.34
Why Choose the ABB S201MT-C25NA Miniature Circuit Breaker?
The ABB S201MT-C25NA is a reliable 1P+N miniature circuit breaker (MCB) designed for demanding traction, railway and transport applications. As part of the specialist ABB S200MT series, it provides dependable protection against overloads and short circuits in electrical systems where safety, durability and compact installation are essential.
Built with ABB thermal magnetic tripping technology, the S201MT-C25NA combines delayed thermal protection for overload conditions with fast electromechanical tripping for short circuit faults. Its current limiting performance helps reduce fault energy, protecting downstream equipment, cabling and connected electrical loads.
With a 25 A rated current, C characteristic trip curve and 10 kA breaking capacity, the ABB S201MT-C25NA is suitable for circuits with moderate inrush currents, including railway auxiliary supplies, control panels, distribution boards and transport infrastructure equipment.
Key Advantages
- Specialist miniature circuit breaker for traction and railway applications.
- 25 A rated current for auxiliary, control and distribution circuits.
- C characteristic trip curve suitable for moderate inrush currents.
- 10 kA breaking capacity for reliable short circuit protection.
- Current limiting design helps reduce electrical fault energy.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 1P+N configuration.
- 25 A rated current.
- C characteristic thermal magnetic tripping.
- 10 kA rated short circuit breaking capacity.
- Designed for railway and traction installations.
- Compact DIN rail mounted format.
- Suitable for use with auxiliary contacts and compatible ABB accessories.
Reliable Circuit Protection for Railway Electrical Systems
Miniature circuit breakers such as the ABB S201MT-C25NA are used to interrupt overloads and short circuits before they can damage electrical equipment or wiring. The C curve characteristic allows the breaker to handle moderate inrush currents while still providing effective protection under fault conditions.
The ABB S200MT range is engineered for traction and railway applications, offering robust performance in rolling stock and transport infrastructure. Its modular construction, DIN rail mounting and accessory compatibility make it a practical choice for both new installations and replacement projects.
Typical Applications
- Railway rolling stock electrical systems.
- Traction power distribution panels.
- Auxiliary equipment protection.
- Control panels and switchboards.
- Lighting, signalling and service circuits.
- Industrial transport and infrastructure systems.
Technical Specifications
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| Current | 25 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-C25NA | |
| Product ID | 2CDS271446R0254 | |
| Product type | Miniature circuit breaker | |
| Rated current | 25 A | |
| Trip characteristic | C | |
| Number of poles | 1P+N | |
| Protected poles | 1 | |
| Rated operational voltage | 230 / 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-C25NA used for?
The S201MT-C25NA is used to protect electrical circuits against overloads and short circuits, particularly in railway, traction and industrial transport applications.
What is the rated current of this circuit breaker?
The ABB S201MT-C25NA has a 25 A rated current.
What trip curve does the S201MT-C25NA use?
This model uses a C characteristic trip curve, making it suitable for circuits with moderate inrush currents.
What is the breaking capacity?
The S201MT-C25NA has a 10 kA short circuit breaking capacity.
How is this miniature circuit breaker mounted?
The breaker is designed for standard DIN rail mounting inside electrical control panels, distribution boards and switchgear assemblies.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted in railway and industrial environments to provide compact, reliable and standards-compliant protection for critical electrical circuits.
