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2CDS271445R0405 ABB S201MT-B40 MCB 10kA 1P Type B 40A
ABB S201MT-B40 is a 40 A single-pole Type B miniature circuit breaker with 10 kA rated short-circuit breaking capacity, designed for dependable overload and short-circuit protection in demanding railway, rolling-stock and industrial applications.
£39.87
Why Choose the ABB S201MT-B40 Miniature Circuit Breaker?
The ABB S201MT-B40 is a specialised single-pole miniature circuit breaker (MCB) designed for protection and control of electrical circuits against overload and short-circuit conditions. Part of the ABB S200 MT series, it is developed for demanding electrical installations including railway, rolling-stock and industrial applications.
Featuring a Type B tripping characteristic, the S201MT-B40 provides responsive overcurrent protection for circuits where relatively low normal starting or inrush currents are expected. Its 40 A rated current supports suitable equipment and distribution circuits, while its 10 kA rated short-circuit breaking capacity provides robust fault protection.
The compact single-pole construction enables efficient integration into control panels and distribution assemblies. ABB's S200 MT platform combines DIN rail installation with railway-focused fire, shock and vibration classifications, making the S201MT-B40 suitable for demanding rolling-stock environments.
Key Advantages
- 40 A rated current for dependable equipment and distribution circuit protection.
- Type B tripping characteristic suited to circuits with relatively low normal inrush currents.
- 10 kA rated short-circuit breaking capacity for robust fault protection.
- Single-pole configuration in a compact modular format.
- Developed for demanding railway, rolling-stock and industrial applications.
- DIN rail mounting simplifies integration into control and distribution assemblies.
Key Features
- ABB S200 MT series miniature circuit breaker.
- 40 A nominal current.
- Type B tripping characteristic.
- 1 protected pole.
- 10 kA rated short-circuit breaking capacity.
- Protection and control of circuits against overloads and short circuits.
- Designed in accordance with IEC/EN 60947-2.
- EN 45545 R26/HL3 railway fire classification.
- IEC 61373 Category 1, Class A/B shock and vibration classification.
- Compact DIN rail construction for efficient panel installation.
Reliable Circuit Protection for Industrial and Traction Systems
The ABB S201MT-B40 provides automatic protection against excessive current caused by overloads and short circuits. Disconnecting the circuit under fault conditions helps protect conductors, wiring and connected equipment while providing a compact protective and control device for electrical distribution assemblies.
Its Type B characteristic provides sensitive magnetic overcurrent protection for circuits where significant starting currents are not normally expected. Combined with the railway-focused S200 MT platform, the S201MT-B40 is well suited to appropriate equipment, auxiliary and distribution circuits in rolling stock, transportation equipment and demanding industrial installations.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction and transportation equipment.
- Industrial control and distribution panels.
- Auxiliary electrical circuits.
- Equipment and branch circuit protection.
- Circuits with relatively low normal starting or inrush currents.
Technical Specifications
| Series | S200 MT |
|---|---|
| ABB order code | 2CDS271445R0405 |
| EAN | 4016779129398 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Number of poles | 1 |
| Rated current | 40 A |
| Tripping characteristic | Type B |
| Rated short-circuit breaking capacity | 10 kA |
| Standard | IEC/EN 60947-2 |
| Railway fire classification | EN 45545 R26/HL3 |
| Shock and vibration classification | IEC 61373 Category 1, Class A/B |
| Mounting type | DIN rail |
| Module width | 1 module |
| Weight | approx. 0.125 kg |
| Pack quantity | 10 pieces |
Frequently Asked Questions
What is the ABB S201MT-B40 used for?
The S201MT-B40 is a single-pole miniature circuit breaker designed for protection and control of electrical circuits against overload and short-circuit conditions, including demanding railway, rolling-stock and industrial applications.
What is the rated current of the ABB S201MT-B40?
The ABB S201MT-B40 has a rated current of 40 A.
What does the Type B characteristic mean?
The Type B tripping characteristic provides sensitive magnetic overcurrent protection and is generally suited to circuits where relatively low normal starting or inrush currents are expected.
What is the breaking capacity of the S201MT-B40?
The ABB S201MT-B40 has a rated short-circuit breaking capacity of 10 kA.
Is the ABB S201MT-B40 suitable for railway applications?
Yes. The ABB S200 MT series is developed for rolling-stock applications and features EN 45545 R26/HL3 fire classification and IEC 61373 Category 1, Class A/B shock and vibration classification.
Trusted Circuit Protection from ABB
ABB S200 MT miniature circuit breakers provide dependable overload and short-circuit protection for demanding electrical installations, combining compact DIN rail construction with characteristics developed for railway, rolling-stock and industrial environments.
