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-K3 MCB – S200M – 1P – K – 3A
ABB S201MT-K3 single pole miniature circuit breaker from the S200MT series with a 3 A rating, K curve tripping characteristic and 10 kA breaking capacity for traction, railway and industrial circuit protection.
£53.80
Why Choose the ABB S201MT-K3 Miniature Circuit Breaker?
The ABB S201MT-K3 is a specialist single pole miniature circuit breaker (MCB) from the ABB S200MT series. Designed specifically for traction and railway applications, it provides dependable overload and short circuit protection for rolling stock, transport infrastructure and demanding industrial electrical installations.
Featuring a K curve tripping characteristic, the S201MT-K3 is designed for circuits with higher inrush currents than standard applications. It is particularly suited to protecting motors, transformers, inductive loads and specialist railway control equipment where reliable operation and reduced nuisance tripping are essential.
With a 3 A rated current, 10 kA breaking capacity and compact DIN rail mounted construction, the ABB S201MT-K3 delivers reliable circuit protection while remaining compatible with ABB System pro M compact accessories for flexible installation and future expansion.
Key Advantages
- Designed specifically for traction and railway applications.
- 3 A rated current for low current circuit protection.
- K curve tripping characteristic for high inrush current loads.
- 10 kA short circuit breaking capacity.
- Current limiting design helps minimise fault energy.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- Single pole (1P) configuration.
- 3 A rated current.
- K curve tripping characteristic.
- 230 / 400 V AC rated operational voltage.
- 10 kA rated short circuit breaking capacity.
- Thermal overload and magnetic short circuit protection.
- DIN rail mounting for electrical cabinets and control panels.
Reliable Circuit Protection for Traction Applications
The ABB S201MT-K3 combines delayed thermal overload protection with electromechanical short circuit protection. Its current limiting design helps reduce thermal and mechanical stress during fault conditions, improving system reliability and extending equipment life.
The S200MT range is engineered specifically for railway and traction environments. It complies with IEC/EN 60898-1 and IEC/EN 60947-2, is classified to NF F 16-101/102 Exigence 3, and supports the complete range of ABB System pro M compact accessories.
Typical Applications
- Railway and rolling stock electrical systems.
- Motor and transformer protection.
- Traction control equipment.
- Industrial control panels.
- Auxiliary power circuits.
- OEM transport equipment.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 3 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K3 | |
| Product type | Miniature circuit breaker (MCB) | |
| Product ID | 2CDS271006R0317 | |
| EAN | 4016779765626 | |
| Rated current | 3 A | |
| Tripping characteristic | K | |
| Number of poles | 1P | |
| Number of protected poles | 1 | |
| Rated operational voltage | 230 / 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 10 kA | |
| Rated insulation voltage (Ui) | 440 V | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 17.5 × 69 mm | |
| Weight | approx. 0.125 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-K3 used for?
The S201MT-K3 protects low current electrical circuits against overloads and short circuits, particularly in railway, traction and transport applications.
What does the K curve characteristic mean?
The K curve is designed for circuits with higher inrush currents, making it suitable for motors, transformers and inductive loads while reducing nuisance tripping.
What is the rated current of the ABB S201MT-K3?
The ABB S201MT-K3 has a 3 A rated current.
What is the breaking capacity of this MCB?
This miniature circuit breaker has a rated 10 kA short circuit breaking capacity.
Can ABB accessories be fitted?
Yes. The S201MT-K3 is compatible with ABB System pro M compact accessories, including auxiliary contacts, signalling contacts, shunt trips and undervoltage releases.
Trusted by Railway and Industrial Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by railway engineers, OEM manufacturers and industrial panel builders for dependable circuit protection, compact installation and long-term reliability in demanding environments.
