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2CDS271065R0044 ABB S201MT-C4UC 4 A 1P Type C Miniature Circuit Breaker 10 kA
ABB S201MT-C4UC is a 4 A single-pole Type C universal-current miniature circuit breaker with 10 kA breaking capacity designed for railway, traction and industrial AC/DC circuit protection.
£111.53
Why Choose the ABB S201MT-C4UC Miniature Circuit Breaker?
The ABB S201MT-C4UC is a specialised single-pole miniature circuit breaker (MCB) designed to protect AC and DC electrical circuits against overloads and short circuits in demanding railway, traction and industrial applications. As part of the ABB S200 MT UC universal-current series, it combines dependable thermomagnetic protection with railway-oriented construction and a high short-circuit breaking capacity.
With a rated current of 4 A and a Type C tripping characteristic, the S201MT-C4UC is suitable for control, auxiliary and distribution circuits that can experience moderate starting or inrush currents. Its Type C response provides a practical balance between dependable fault protection and resistance to nuisance tripping during normal equipment energisation.
The S201MT-C4UC provides a 10 kA short-circuit breaking capacity and is designed for universal AC/DC circuit protection. Its compact single-pole DIN-rail format makes it particularly suitable for railway vehicles, traction equipment, control cabinets and industrial DC systems where reliable, space-efficient circuit protection is required.
Key Advantages
- Specialised AC/DC miniature circuit breaker for railway and traction applications.
- 4 A rated current for auxiliary, control and low-current distribution circuits.
- Type C tripping characteristic suitable for loads with moderate inrush currents.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Universal-current design suitable for AC and DC electrical systems.
- Compact single-pole DIN-rail construction for space-efficient installation.
- Part of ABB's railway-focused S200 MT UC circuit-protection range.
Key Features
- ABB S200 MT UC universal-current series.
- 4 A rated current.
- 1 protected pole.
- Type C tripping characteristic.
- 10 kA short-circuit breaking capacity.
- Universal AC/DC circuit protection.
- Thermomagnetic overload and short-circuit protection.
- Designed for railway, rolling-stock and traction electrical systems.
- DIN-rail mounting for compact control and distribution panels.
- Suitable for auxiliary, signalling and industrial control circuits.
Reliable Protection for Railway and DC Circuits
Miniature circuit breakers such as the ABB S201MT-C4UC automatically disconnect an electrical circuit when excessive current occurs because of an overload or short circuit. Thermomagnetic operation provides time-dependent overload protection together with rapid magnetic interruption under high fault-current conditions, helping protect wiring and connected electrical equipment.
The S200 MT UC range is developed for universal-current and transportation applications where dependable operation is required under demanding conditions. The S201MT-C4UC combines a 4 A rating, Type C characteristic and 10 kA short-circuit capability in a compact DIN-rail device suited to railway auxiliary systems, industrial control equipment and AC/DC distribution circuits.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction auxiliary and control circuits.
- Industrial AC and DC control systems.
- Low-current distribution and signalling circuits.
- Electrical cabinets installed on railway vehicles.
- DC power, automation and auxiliary equipment.
Technical Specifications
| Series | S200 MT UC |
|---|---|
| ABB order code | 2CDS271065R0044 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 4 A |
| Number of poles | 1 |
| Number of protected poles | 1 |
| Tripping characteristic | Type C |
| Voltage type | AC/DC |
| Short-circuit breaking capacity | 10 kA |
| Operating principle | Thermomagnetic |
| Mounting type | DIN rail |
| Width | 17.5 mm |
| Depth | 69 mm |
| Standard | IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S201MT-C4UC used for?
The S201MT-C4UC is a 4 A single-pole miniature circuit breaker designed to protect AC and DC circuits against overloads and short circuits, particularly in railway, traction, auxiliary and industrial control applications.
What is the current rating of the S201MT-C4UC?
The ABB S201MT-C4UC has a rated current of 4 A and uses a Type C tripping characteristic.
What does the Type C characteristic mean?
The Type C tripping characteristic is suited to circuits with moderate starting or inrush currents, providing reliable protection while helping avoid unnecessary operation during normal equipment energisation.
Can the ABB S201MT-C4UC be used on DC circuits?
Yes. The S201MT-C4UC belongs to ABB's S200 MT UC universal-current range and is designed for both AC and DC circuit-protection applications, subject to the applicable installation, voltage and polarity requirements.
What is the breaking capacity of the S201MT-C4UC?
The S201MT-C4UC provides a 10 kA short-circuit breaking capacity, making it suitable for demanding railway, traction and industrial circuit-protection applications.
Trusted Railway Circuit Protection from ABB
ABB S200 MT UC miniature circuit breakers are designed for dependable AC and DC circuit protection in railway, traction and industrial applications, combining universal-current capability, compact DIN-rail installation and robust short-circuit performance.
