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2CDS271445R0025 ABB S201MT-B2 MCB 10 kA 1P Type B 2 A
ABB S201MT-B2 is a 2 A single-pole Type B miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for reliable overload and short-circuit protection in traction, railway and industrial applications.
£39.87
Why Choose the ABB S201MT-B2 Miniature Circuit Breaker?
The ABB S201MT-B2 is a high-performance single-pole miniature circuit breaker (MCB) designed to protect cables and electrical circuits against overloads and short circuits in demanding industrial and railway applications. As part of the specialised ABB S200 MT series, it combines a 2 A rated current, Type B tripping characteristic and 10 kA short-circuit breaking capacity in a compact DIN-rail-mounted format.
Developed specifically for transportation and rolling-stock electrical systems, the S200 MT range is designed to withstand the demanding environmental conditions associated with railway installations. The series complies with IEC/EN 60898-1 and IEC/EN 60947-2 requirements and meets railway-related fire, shock and vibration standards, making it suitable for dependable circuit protection in traction equipment.
With a rated current of 2 A, a Type B tripping characteristic and a 10 kA short-circuit breaking capacity, the S201MT-B2 is well suited to low-current auxiliary, control and distribution circuits. Its compact single-pole construction enables straightforward installation inside electrical cabinets and distribution assemblies using standard 35 mm DIN rail.
Key Advantages
- Specialised miniature circuit breaker for traction and railway applications.
- 2 A rated current suitable for low-current auxiliary and control circuits.
- Type B tripping characteristic for responsive overload and short-circuit protection.
- 10 kA short-circuit breaking capacity for demanding electrical installations.
- Railway-oriented construction with resistance to shock and vibration.
- Compact 17.5 mm single-module design for efficient DIN-rail installation.
Key Features
- ABB S200 MT series miniature circuit breaker.
- 2 A rated current.
- Type B tripping characteristic.
- Single-pole (1P) configuration.
- 10 kA short-circuit breaking capacity.
- Designed for overload and short-circuit protection.
- Complies with IEC/EN 60898-1 and IEC/EN 60947-2.
- Meets EN 45545 R26/HL3 railway fire protection requirements.
- Meets IEC 61373 Category 1 Class A/B shock and vibration requirements.
- IP20 degree of protection at the enclosure with cover.
- Compact DIN-rail-mounted design for control and distribution equipment.
Reliable Circuit Protection for Traction and Industrial Systems
Miniature circuit breakers such as the ABB S201MT-B2 automatically disconnect a circuit when excessive current occurs as a result of an overload or short circuit. This helps protect cables, conductors and connected electrical equipment while providing a convenient resettable alternative to conventional fuse-based protection.
The ABB S200 MT series is engineered specifically for demanding transportation and industrial environments. Its railway-oriented construction, Type B characteristic and resistance to shock and vibration make the S201MT-B2 particularly suitable for low-current auxiliary and control circuits in rolling stock, traction equipment and other installations requiring dependable electrical protection.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction auxiliary electrical circuits.
- Low-current control and signalling circuits.
- Industrial control and distribution systems.
- Control panels and electrical cabinets.
- Automation and auxiliary power equipment.
- Cable and conductor overload protection.
Technical Specifications
| Series | S200 MT |
|---|---|
| ABB order code | 2CDS271445R0025 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 2 A |
| Tripping characteristic | Type B |
| Number of poles | 1 |
| Protected poles | 1 |
| Short-circuit breaking capacity | 10 kA |
| Protection rating | IP20 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Rigid conductor capacity | 0.75–35 mm² |
| Flexible conductor capacity | 0.75–25 mm² |
| Terminal tightening torque | 2.8 N·m |
| Mounting type | 35 mm DIN rail |
| Width | 17.5 mm |
| Height | 88 mm |
| Depth | 69 mm |
| Width in modular spacings | 1 |
| Operating ambient temperature | -40 to +70 °C |
| Standard | IEC/EN 60898-1 and IEC/EN 60947-2 |
| Railway fire protection | EN 45545, R26/HL3 |
| Shock / vibration classification | IEC 61373, Category 1 Class A/B |
| Weight | approx. 0.125 kg |
| EAN | 4016779122030 |
Frequently Asked Questions
What is the ABB S201MT-B2 used for?
The S201MT-B2 is a miniature circuit breaker designed to protect cables and electrical circuits against overloads and short circuits, with particular suitability for traction, railway and demanding industrial applications.
What is the current rating of the ABB S201MT-B2?
The circuit breaker has a rated current of 2 A and uses a Type B tripping characteristic.
What is the breaking capacity of the S201MT-B2?
The ABB S201MT-B2 has a short-circuit breaking capacity of 10 kA, providing robust fault protection for demanding electrical installations.
Is the ABB S201MT-B2 suitable for railway applications?
Yes. The ABB S200 MT series is specifically designed for railway applications and meets railway-related requirements including EN 45545 R26/HL3 and IEC 61373 Category 1 Class A/B.
Where is the S201MT-B2 typically installed?
The breaker is typically mounted on a 35 mm DIN rail inside electrical distribution boards, control panels and cabinets used in industrial, transportation and railway electrical systems.
Trusted Circuit Protection from ABB
ABB S200 MT miniature circuit breakers provide dependable overload and short-circuit protection for demanding transportation and industrial applications, combining compact DIN-rail installation with construction designed for the fire, shock and vibration requirements of railway and rolling-stock electrical systems.
