Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S201MT-K2NAH10 MCB – S200M – 1P+N – K – 2A
ABB S201MT-K2NAH10 miniature circuit breaker with switched neutral, 2 A K characteristic and 10 kA breaking capacity for railway and industrial electrical protection.
Why Choose the ABB S201MT-K2NAH10 Miniature Circuit Breaker?
The ABB S201MT-K2NAH10 is a high-performance miniature circuit breaker with switched neutral, designed to provide dependable overload and short-circuit protection for railway, traction and demanding industrial electrical systems. Part of the proven ABB S200MT series, it combines compact dimensions with robust construction and reliable performance for specialist applications.
Featuring a K tripping characteristic, this miniature circuit breaker is ideal for circuits supplying motors, transformers and other inductive loads with higher inrush currents. The switched neutral configuration provides enhanced isolation by disconnecting both the protected conductor and neutral when operated, making it suitable for modern control panels and electrical installations.
With a 2 A rated current, 10 kA breaking capacity and DIN rail mounting, the S201MT-K2NAH10 delivers reliable protection for auxiliary circuits, industrial automation systems and railway infrastructure where operational safety is essential.
Key Advantages
- 2 A miniature circuit breaker for low-current protection.
- K characteristic suitable for inductive loads with higher inrush currents.
- Switched neutral improves electrical isolation.
- 10 kA breaking capacity for dependable fault protection.
- Designed for railway, traction and industrial applications.
- Compact DIN rail mounting saves panel space.
Key Features
- ABB S200MT series.
- 2 A rated current.
- 1 protected pole plus switched neutral.
- K tripping characteristic.
- 10 kA rated short-circuit breaking capacity.
- Suitable for 50 / 60 Hz AC applications.
- DIN rail mounting.
- Compatible with ABB modular accessories.
Reliable Protection for Railway and Industrial Systems
The ABB S200MT range is developed for demanding applications where reliable overload and short-circuit protection is essential. The K characteristic provides dependable protection for circuits supplying equipment with elevated starting currents while helping to reduce nuisance tripping.
Its switched neutral configuration, compact modular design and compatibility with ABB System pro M accessories make the S201MT-K2NAH10 a dependable choice for panel builders, OEMs and railway engineers.
Typical Applications
- Railway and rolling stock electrical systems.
- Industrial control panels.
- Motor and transformer circuits.
- Auxiliary power circuits.
- OEM machinery.
- Industrial automation systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Single Phase | |
|---|---|---|
| Current | 2 A | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K2NAH10 | |
| Manufacturer Part Number | 2CDV271106R0277 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 2 A | |
| Number of poles | 1 protected pole + switched neutral | |
| Tripping characteristic | K | |
| Rated operational voltage | 230 V AC | |
| Maximum operational voltage | 253 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | Approx. 88 × 35 × 69 mm | |
| Weight | Approx. 0.27 kg |
Frequently Asked Questions
What is the ABB S201MT-K2NAH10 used for?
It provides overload and short-circuit protection for railway, industrial and low-current electrical circuits.
What does the K tripping characteristic mean?
The K characteristic is designed for circuits with higher inrush currents, making it suitable for motors, transformers and inductive loads.
What does switched neutral provide?
The switched neutral disconnects the neutral conductor together with the protected pole, improving circuit isolation during maintenance and fault conditions.
What is the breaking capacity of this breaker?
The S201MT-K2NAH10 has a 10 kA rated short-circuit breaking capacity.
Can this MCB be installed on a DIN rail?
Yes. It is designed for standard DIN rail mounting inside control panels and distribution boards.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted worldwide for reliable circuit protection, robust construction and dependable performance in demanding railway and industrial applications.
