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2CDS271445R0205 ABB S201MT-B20 MCB 10kA 1P Type B 20A
ABB S201MT-B20 is a 20 A single-pole Type B miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for dependable protection in demanding industrial, railway, rolling-stock and traction applications.
£32.69
Why Choose the ABB S201MT-B20 Miniature Circuit Breaker?
The ABB S201MT-B20 is a specialised single-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions. Part of the ABB S200 MT series, it provides dependable circuit protection for demanding industrial, railway, rolling-stock and traction applications.
Featuring a Type B tripping characteristic, the S201MT-B20 is particularly suitable for circuits where relatively low normal starting or inrush currents are expected. Its 20 A rated current provides practical protection for suitable control, auxiliary and distribution circuits, while its 10 kA short-circuit breaking capacity provides robust protection against electrical faults.
The compact single-pole construction enables efficient integration into control panels, distribution assemblies and transportation electrical systems. DIN rail mounting and the railway-focused S200 MT platform make the S201MT-B20 a practical protective device where compact installation, dependable operation and suitability for demanding environments are required.
Key Advantages
- 20 A rated current for dependable branch and equipment circuit protection.
- Type B tripping characteristic suited to circuits with relatively low normal inrush currents.
- 10 kA short-circuit breaking capacity for robust fault protection.
- Single-pole configuration in a compact modular format.
- Developed for demanding industrial, railway and rolling-stock applications.
- DIN rail mounting simplifies integration into control and distribution assemblies.
Key Features
- ABB S200 MT series miniature circuit breaker.
- 20 A nominal current.
- Type B tripping characteristic.
- 1 protected pole.
- 10 kA short-circuit breaking capacity.
- Protection against overload and short-circuit conditions.
- Designed to IEC/EN 60947-2 requirements.
- Series-level EN 45545 R26/HL3 railway fire classification.
- Series-level 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-B20 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 device for electrical control and distribution assemblies.
Its Type B characteristic provides responsive magnetic protection for circuits where substantial starting currents are not normally expected. Combined with the railway-focused S200 MT platform, the S201MT-B20 is well suited to appropriate control, auxiliary and distribution circuits in industrial equipment, railway systems, rolling stock and traction-related electrical installations.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction and transportation equipment.
- Industrial control and automation panels.
- Control and auxiliary circuits.
- Electrical distribution assemblies.
- Circuits with relatively low normal starting or inrush currents.
Technical Specifications
| Series | S200 MT |
|---|---|
| ABB order code | 2CDS271445R0205 |
| EAN | 4016779129107 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Number of poles | 1 |
| Number of protected poles | 1 |
| Rated current | 20 A |
| Tripping characteristic | Type B |
| 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-B20 used for?
The S201MT-B20 is a single-pole miniature circuit breaker designed to protect electrical circuits against overload and short-circuit conditions, including suitable industrial, railway, rolling-stock and traction applications.
What is the rated current of the ABB S201MT-B20?
The ABB S201MT-B20 has a rated current of 20 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-B20?
The ABB S201MT-B20 has a short-circuit breaking capacity of 10 kA.
Is the ABB S201MT-B20 suitable for railway applications?
Yes. The ABB S200 MT series is developed for rolling-stock applications and features series-level 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 industrial and rolling-stock environments.
