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2CDS271065R0488 ABB S201MT-Z20UC MCB 10kA 1P Type Z 20A
ABB S201MT-Z20UC is a 20 A single-pole Type Z AC/DC miniature circuit breaker with 10 kA breaking capacity, designed for sensitive circuit protection in demanding industrial, railway and traction applications.
£108.33
Why Choose the ABB S201MT-Z20UC Miniature Circuit Breaker?
The ABB S201MT-Z20UC is a high-performance single-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions. Part of the specialised ABB S200 MT UC series, it provides universal-current circuit protection for demanding AC and DC installations, including industrial, railway and traction applications.
Featuring a Type Z tripping characteristic, the S201MT-Z20UC provides sensitive magnetic overcurrent protection for circuits containing electronic and other equipment requiring rapid fault disconnection. Its 20 A rated current and 10 kA short-circuit breaking capacity combine dependable circuit protection with a compact modular format.
The S201MT-Z20UC is suitable for operation at up to 253 V AC or 220 V DC in its single-pole configuration. DIN rail mounting, a width of only one module and compatibility with auxiliary equipment make it well suited to industrial control panels, distribution assemblies, transportation equipment and other space-conscious electrical installations.
Key Advantages
- 20 A rated current for dependable branch-circuit protection.
- Type Z tripping characteristic for sensitive overcurrent protection.
- 10 kA short-circuit breaking capacity for robust fault protection.
- Single-pole configuration in a compact one-module format.
- Suitable for both AC and DC electrical circuits.
- Designed for demanding industrial, railway and traction applications.
Key Features
- ABB S200 MT UC series miniature circuit breaker.
- 20 A nominal current.
- Type Z tripping characteristic.
- 1 protected pole.
- 10 kA rated short-circuit breaking capacity.
- Rated for up to 253 V AC / 220 V DC.
- 4 kV rated impulse withstand voltage.
- IP20 protection rating.
- Compact 1-module DIN rail mounting.
- Suitable for connection of solid conductors from 0.75–35 mm².
Reliable Circuit Protection for Industrial and Traction Systems
Miniature circuit breakers such as the ABB S201MT-Z20UC automatically interrupt an electrical circuit when excessive current occurs because of an overload or short circuit. This protects conductors and connected equipment while also providing a convenient means of circuit switching and isolation within electrical distribution and control systems.
The Type Z characteristic is designed for applications requiring sensitive magnetic protection and rapid response to fault currents. Combined with the universal-current capability of the S200 MT UC platform, the S201MT-Z20UC provides a practical solution for AC and DC industrial circuits as well as specialised railway and traction installations.
Typical Applications
- Railway and rolling-stock electrical systems.
- DC and traction electrical installations.
- Industrial control panels and switchboards.
- Protection of sensitive electronic equipment.
- Automation and instrumentation circuits.
- AC and DC power distribution systems.
Technical Specifications
| Series | S200 MT UC |
|---|---|
| ABB order code | 2CDS271065R0488 |
| EAN | 4013614448645 |
| 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 Z |
| Rated short-circuit breaking capacity | 10 kA |
| Rated operational voltage | up to 253 V AC / 220 V DC |
| Voltage type | AC / DC |
| Rated insulation voltage | 440 V |
| Rated impulse withstand voltage | 4 kV |
| Frequency | 50–60 Hz |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Protection rating | IP20 |
| Operating ambient temperature | -25 to +55 °C |
| Mounting type | DIN rail |
| Module width | 1 module |
| Installation depth | 69 mm |
| Weight | approx. 0.125 kg |
| Solid conductor cross-section | 0.75–35 mm² |
| Stranded conductor cross-section | 0.75–25 mm² |
Frequently Asked Questions
What is the ABB S201MT-Z20UC used for?
The S201MT-Z20UC is a single-pole miniature circuit breaker used to protect AC and DC electrical circuits against overload and short-circuit currents, including demanding industrial, railway and traction applications.
What is the rated current of the ABB S201MT-Z20UC?
The S201MT-Z20UC has a rated current of 20 A.
What does the Type Z characteristic mean?
The Type Z tripping characteristic provides sensitive magnetic overcurrent protection, making the breaker suitable for circuits where rapid response to fault current is important.
What is the breaking capacity of the S201MT-Z20UC?
The ABB S201MT-Z20UC has a rated short-circuit breaking capacity of 10 kA.
Can the ABB S201MT-Z20UC be used on DC circuits?
Yes. The S201MT-Z20UC is designed for universal-current applications and its single-pole configuration is suitable for operation at up to 220 V DC, as well as up to 253 V AC.
Trusted Circuit Protection from ABB
ABB S200 MT UC miniature circuit breakers provide dependable overload and short-circuit protection for demanding electrical installations, combining high breaking capacity, compact DIN rail mounting and flexible AC/DC operation for industrial and transportation systems.
