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2CDS273065R0204 ABB S203MT-C20UC MCB 10kA 3P Type C 20A
ABB S203MT-C20UC is a 20 A three-pole Type C universal-current miniature circuit breaker with 10 kA short-circuit breaking capacity for AC, DC and traction circuit protection.
£344.65
Why Choose the ABB S203MT-C20UC Miniature Circuit Breaker?
The ABB S203MT-C20UC is a high-performance three-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in AC and DC electrical systems. As part of the ABB S200 MT UC universal-current series, it is specifically suited to demanding industrial, DC and traction applications requiring dependable circuit protection.
The S203MT-C20UC combines thermal-magnetic protection with a Type C tripping characteristic, making it suitable for circuits that can experience moderate inrush currents during normal operation. Its universal-current design supports both AC and DC applications, while its modular construction allows straightforward integration into electrical distribution boards, industrial control cabinets and traction systems.
With a rated current of 20 A, three protected poles and a rated short-circuit breaking capacity of 10 kA, the S203MT-C20UC provides robust protection for electrical circuits in demanding environments. Its DIN rail-mounted format makes it suitable for industrial automation, transportation, railway and DC distribution installations.
Key Advantages
- Universal-current MCB designed for AC and DC applications.
- 20 A rated current for dependable circuit protection.
- Three-pole configuration provides protection across three conductors.
- Type C tripping characteristic suitable for circuits with moderate inrush currents.
- 10 kA short-circuit breaking capacity for demanding electrical installations.
- Designed for industrial, DC and traction applications.
Key Features
- ABB S200 MT UC universal-current series.
- 20 A rated current.
- Three-pole miniature circuit breaker.
- Type C thermal-magnetic tripping characteristic.
- Suitable for AC and DC circuit protection.
- 10 kA short-circuit breaking capacity.
- Designed for demanding industrial and traction electrical systems.
- Compact modular construction for DIN rail mounting.
Reliable AC and DC Circuit Protection
Miniature circuit breakers such as the ABB S203MT-C20UC protect electrical circuits, conductors and connected equipment against overload and short-circuit conditions. The thermal-magnetic operating mechanism disconnects the protected circuit when current exceeds permitted limits, helping prevent damage to electrical equipment and wiring.
The S200 MT UC series is designed for universal-current applications and provides flexible protection for both AC and DC systems. The combination of a Type C characteristic, high short-circuit breaking capacity and robust modular construction makes the S203MT-C20UC suitable for industrial electrical distribution, automation equipment and railway or traction installations.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction and transportation equipment.
- DC electrical distribution circuits.
- Industrial AC and DC control panels.
- Machinery and automation equipment.
- Electrical cabinets and modular DIN rail assemblies.
Technical Specifications
| Series | S200 MT UC |
|---|---|
| ABB order code | 2CDS273065R0204 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 20 A |
| Number of poles | 3 |
| Protected poles | 3 |
| Tripping characteristic | Type C |
| Voltage type | AC / DC |
| Rated short-circuit breaking capacity | 10 kA |
| Mounting type | DIN rail mounting |
Frequently Asked Questions
What is the ABB S203MT-C20UC used for?
The S203MT-C20UC is a three-pole miniature circuit breaker designed to protect AC and DC electrical circuits against overload and short-circuit conditions, including industrial and traction applications.
What is the rated current of the S203MT-C20UC?
The circuit breaker has a rated current of 20 A.
What is the breaking capacity of this MCB?
The ABB S203MT-C20UC has a rated short-circuit breaking capacity of 10 kA.
What does the Type C characteristic mean?
The Type C tripping characteristic is suitable for circuits with moderate inrush currents, allowing normal short-duration starting currents while maintaining dependable overload and short-circuit protection.
Can the ABB S203MT-C20UC be used on DC circuits?
Yes. The S203MT-C20UC belongs to ABB's S200 MT UC universal-current series and is designed for AC and DC circuit protection, including DC and traction applications.
Trusted Circuit Protection from ABB
ABB S200 MT UC miniature circuit breakers provide flexible AC and DC circuit protection for industrial, railway and traction-related electrical installations, combining high short-circuit breaking capacity with a compact modular design.
