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2CDS272065R0488 ABB S202MT-Z20UC MCB 10kA 2P Type Z 20A
ABB S202MT-Z20UC is a 20 A 2-pole Z-characteristic miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for reliable AC and DC circuit protection in demanding industrial and traction applications.
£248.97
Why Choose the ABB S202MT-Z20UC Miniature Circuit Breaker?
The ABB S202MT-Z20UC is a high-performance 2-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding AC and DC electrical systems. As part of the ABB S200MTUC miniature circuit breaker series, it combines a 20 A rated current with a sensitive Z tripping characteristic and a high 10 kA short-circuit breaking capacity.
Developed for demanding transportation and industrial applications, the S202MT-Z20UC provides dependable circuit protection while meeting stringent requirements for traction installations. The Z characteristic provides sensitive magnetic tripping for circuits where rapid protection against comparatively low short-circuit currents is required, while the S200 MT range is tested for shock and vibration and uses materials developed to meet demanding railway fire and smoke requirements.
With a rated current of 20 A, a 2-pole configuration and a 10 kA breaking capacity, the S202MT-Z20UC provides a compact protection solution for DC distribution, traction and industrial electrical systems. ABB order code 2CDS272065R0488 identifies this specific Z-characteristic 20 A version within the S200MTUC range.
Key Advantages
- Robust miniature circuit breaker for AC and DC circuit protection.
- 20 A rated current with a 2-pole configuration.
- Z tripping characteristic suited to circuits requiring sensitive magnetic protection.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Designed for demanding DC, traction and industrial applications.
- Compact DIN rail design for straightforward integration into electrical panels and distribution systems.
Key Features
- ABB S200MTUC miniature circuit breaker series.
- 20 A rated current.
- 2-pole configuration.
- Z tripping characteristic.
- 10 kA short-circuit breaking capacity.
- Suitable for AC and DC operation.
- 440 V rated voltage.
- Energy limiting class 3 for effective fault-current limitation.
- Compact DIN rail construction with IP20 terminal protection.
Reliable Circuit Protection for DC and Traction Systems
Miniature circuit breakers such as the ABB S202MT-Z20UC automatically disconnect an electrical circuit when excessive current occurs because of an overload or short circuit. This helps protect cables, conductors and connected electrical equipment while allowing the circuit breaker to be reset after the fault has been identified and corrected.
The ABB S200 MT range is specifically developed for traction applications and combines high short-circuit breaking capacity with suitability for demanding operating environments. The range is tested against relevant shock and vibration requirements for rolling stock and uses dedicated materials designed to comply with stringent European railway fire and smoke requirements.
Typical Applications
- Railway and rolling stock electrical systems.
- DC distribution and protection circuits.
- Traction electrical installations.
- Sensitive electrical and control circuits.
- Industrial control panels and switchgear.
- Automation and transportation electrical systems.
Technical Specifications
| Series | S200MTUC |
|---|---|
| ABB order code | 2CDS272065R0488 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 20 A |
| Number of poles | 2 |
| Number of protected poles | 2 |
| Tripping characteristic | Z |
| Rated voltage | 440 V AC/DC |
| Voltage type | AC/DC |
| Frequency | 50 / 60 Hz |
| Rated short-circuit breaking capacity | 10 kA |
| Rated breaking capacity Icn at 230 V | 10 kA |
| Rated breaking capacity Icn at 400 V | 10 kA |
| Rated ultimate short-circuit breaking capacity Icu at 230 V | 10 kA |
| Rated ultimate short-circuit breaking capacity Icu at 400 V | 10 kA |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Power loss | 4.64 W |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Installation depth | 69 mm |
| Connection capacity, solid conductor | 0.75–35 mm² |
| Connection capacity, stranded conductor | 0.75–25 mm² |
| Weight | approx. 0.25 kg |
| EAN | 4013614449284 |
Frequently Asked Questions
What is the ABB S202MT-Z20UC used for?
The ABB S202MT-Z20UC is a miniature circuit breaker designed to protect AC and DC electrical circuits against overload and short-circuit currents, including demanding industrial, DC and traction applications.
What is the current rating of the S202MT-Z20UC?
The S202MT-Z20UC has a rated current of 20 A and uses a 2-pole configuration.
What does the Z characteristic mean?
The Z tripping characteristic provides sensitive magnetic protection and is particularly suited to circuits where rapid response to comparatively low short-circuit currents is required.
What is the breaking capacity of the ABB S202MT-Z20UC?
The S202MT-Z20UC provides a 10 kA short-circuit breaking capacity, making it suitable for demanding electrical circuit protection applications.
Can the ABB S202MT-Z20UC be used on DC circuits?
Yes. The S202MT-Z20UC is designed for AC and DC applications and forms part of ABB's S200MTUC range developed for demanding DC, traction and industrial circuit protection.
Trusted Circuit Protection from ABB
ABB S200 MT miniature circuit breakers provide dependable overload and short-circuit protection for demanding industrial and transportation electrical systems, combining high breaking capacity with robust construction for traction and AC/DC applications.
