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ABB S201MT-K10NA MCB – S200M – 1P+N – K – 10A
ABB S201MT-K10NA miniature circuit breaker from the S200MT series, featuring 10 A rated current, K characteristic, 1P+N configuration and 10 kA breaking capacity for railway and traction applications.
£79.13
Why Choose the ABB S201MT-K10NA Miniature Circuit Breaker?
The ABB S201MT-K10NA is a high performance 1P+N miniature circuit breaker (MCB) designed specifically for traction, railway and transport electrical applications. As part of the specialist ABB S200MT series, it delivers reliable overload and short circuit protection for rolling stock, control panels and railway infrastructure where safety and dependable operation are essential.
Built with ABB thermal and magnetic tripping technology, the S201MT-K10NA combines delayed overload protection with fast electromechanical short circuit interruption. Its K characteristic is designed for circuits with higher inrush currents, making it suitable for transformers, contactors, relays, motors and inductive loads commonly used in railway and industrial systems.
Featuring a 10 A rated current, K characteristic trip curve and a 10 kA rated short circuit breaking capacity, the ABB S201MT-K10NA provides dependable circuit protection in a compact DIN rail mounted format compatible with ABB System pro M compact accessories.
Key Advantages
- Designed specifically for railway and traction applications.
- 10 A rated current for control, auxiliary and distribution circuits.
- K characteristic suitable for circuits with higher inrush currents.
- 10 kA short circuit breaking capacity.
- Current limiting design helps reduce fault energy.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 1P+N configuration.
- 10 A rated current.
- K characteristic thermal magnetic tripping.
- 10 kA rated short circuit breaking capacity.
- 15 kA ultimate breaking capacity.
- DIN rail mounting.
- Compatible with auxiliary contacts, shunt trips and undervoltage releases.
Reliable Circuit Protection for Railway Electrical Systems
Miniature circuit breakers such as the ABB S201MT-K10NA are used to interrupt overloads and short circuits before electrical faults can damage wiring, equipment or connected loads. The K curve characteristic allows the breaker to tolerate higher inrush currents while maintaining effective protection against fault conditions.
The ABB S200MT range is engineered for railway and transport environments, offering compact modular protection for rolling stock, auxiliary supplies, control cabinets and traction infrastructure. Its accessory compatibility also supports signalling, monitoring and remote operation when required.
Typical Applications
- Railway rolling stock electrical systems.
- Traction power systems.
- Control panels and switchboards.
- Transformer and inductive load protection.
- Auxiliary electrical circuits.
- Industrial transport and infrastructure systems.
Technical Specifications
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| Current | 10 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K10NA | |
| Product ID | 2CDS271106R0427 | |
| Product type | Miniature circuit breaker | |
| Rated current | 10 A | |
| Trip characteristic | K | |
| Number of poles | 1P+N | |
| Protected poles | 1 | |
| Rated operational voltage | 230 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 10 kA | |
| Ultimate breaking capacity | 15 kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-K10NA used for?
The S201MT-K10NA is used to protect electrical circuits against overloads and short circuits, particularly in railway, traction and industrial control applications.
What is the rated current of this circuit breaker?
The ABB S201MT-K10NA has a 10 A rated current.
What does the K characteristic mean?
The K characteristic is designed for circuits with higher inrush currents, making it suitable for transformers, relays, motors and other inductive loads.
What is the breaking capacity?
The S201MT-K10NA provides a 10 kA rated short circuit breaking capacity, with an ultimate breaking capacity of 15 kA.
How is this miniature circuit breaker mounted?
The breaker is designed for standard DIN rail mounting inside electrical control panels, distribution boards and railway switchgear assemblies.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted worldwide for dependable circuit protection, long service life and reliable performance in demanding railway and industrial electrical installations.
