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2CDS271065R0318 ABB S201MT-Z3UC 3 A 1P Type Z Miniature Circuit Breaker 10 kA
ABB S201MT-Z3UC is a 3 A single-pole Type Z universal-current miniature circuit breaker with 10 kA breaking capacity designed for sensitive railway, traction and industrial AC/DC circuit protection.
£124.48
Why Choose the ABB S201MT-Z3UC Miniature Circuit Breaker?
The ABB S201MT-Z3UC is a specialised single-pole miniature circuit breaker (MCB) for protecting AC and DC electrical circuits against overloads and short circuits in demanding railway, traction and industrial applications. Part of the ABB S200 MT UC universal-current series, it combines thermomagnetic protection with a sensitive Type Z characteristic for low-current circuits and electronic equipment.
With a rated current of 3 A and a Type Z tripping characteristic, the S201MT-Z3UC is particularly suited to circuits requiring a sensitive instantaneous magnetic response. It is an effective choice for control electronics, semiconductor equipment, signalling systems and other loads where prompt overcurrent protection is important.
The S201MT-Z3UC provides a 10 kA ultimate short-circuit breaking capacity and supports universal AC/DC applications. Its compact single-module construction, railway-specific compliance and DIN-rail mounting make it well suited to rolling stock, traction equipment, control cabinets and industrial automation systems.
Key Advantages
- Specialised AC/DC miniature circuit breaker for railway and traction applications.
- 3 A rated current for low-current auxiliary, control and electronic circuits.
- Type Z tripping characteristic for sensitive overcurrent protection.
- 10 kA Icu short-circuit breaking capacity for dependable fault interruption.
- Universal-current design for AC and DC applications.
- Complies with IEC/EN 60947-2.
- Meets EN 45545 R26/HL3 requirements for rolling-stock applications.
- Tested to IEC 61373 Category 1, Class A/B for railway shock and vibration conditions.
Key Features
- ABB S200 MT UC universal-current series.
- 3 A rated current.
- 1 pole / 1 protected pole.
- Type Z tripping characteristic.
- 10 kA ultimate breaking capacity (Icu).
- Thermomagnetic overload and short-circuit protection.
- AC/DC voltage type.
- IP20 protection at the terminals.
- Connection capacity up to 35 mm².
- Compact DIN-rail format with 69 mm installation depth.
Sensitive AC/DC Protection for Railway and Electronic Circuits
The ABB S201MT-Z3UC automatically disconnects its protected circuit when an overload or short circuit occurs. Its thermomagnetic operating principle combines time-dependent thermal overload protection with rapid magnetic fault interruption, helping protect cables, wiring and sensitive connected equipment.
The Type Z characteristic is particularly useful where a sensitive magnetic response is required. Combined with its 3 A rating, 10 kA Icu and universal-current capability, the S201MT-Z3UC is well suited to electronic controls, signalling equipment, semiconductor circuits and low-current auxiliary systems in railway and industrial installations. For DC applications, the specified device polarity must be observed.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction signalling and auxiliary circuits.
- Electronic and semiconductor equipment protection.
- Industrial automation and control circuits.
- Low-current AC and DC distribution circuits.
- Railway vehicle control cabinets and electrical panels.
Technical Specifications
| Series | S200 MT UC |
|---|---|
| ABB order code | 2CDS271065R0318 |
| EAN | 4013614448447 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 3 A |
| Number of poles | 1 |
| Number of protected poles | 1 |
| Tripping characteristic | Type Z |
| Voltage type | AC/DC |
| Rated voltage | 220 V |
| Rated insulation voltage (Ui) | 440 V |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Ultimate short-circuit breaking capacity (Icu) | 10 kA |
| Operating principle | Thermomagnetic |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Degree of protection | IP20 |
| Operating ambient temperature | -25 to +55 °C |
| Installation depth | 69 mm |
| Weight | approx. 0.125 kg |
| Terminal capacity | up to 35 mm² |
| Mounting type | DIN rail |
| Standard | IEC/EN 60947-2 |
| Rolling-stock fire classification | EN 45545 R26/HL3 |
| Railway shock/vibration classification | IEC 61373 Category 1, Class A/B |
Frequently Asked Questions
What is the ABB S201MT-Z3UC used for?
The S201MT-Z3UC is a 3 A single-pole miniature circuit breaker for protecting AC and DC circuits against overloads and short circuits, particularly in railway, traction, electronic and industrial control applications.
What is the current rating of the S201MT-Z3UC?
The ABB S201MT-Z3UC has a rated current of 3 A and uses a Type Z tripping characteristic.
What does the Type Z characteristic mean?
The Type Z characteristic provides a sensitive instantaneous magnetic response, making the breaker particularly suitable for electronic, semiconductor, signalling and control circuits where prompt overcurrent protection is required.
Can the ABB S201MT-Z3UC be used on DC circuits?
Yes. The S201MT-Z3UC is part of ABB's S200 MT UC universal-current range and is intended for AC and DC applications. For DC installations, the device polarity specified by ABB must be observed.
Is the S201MT-Z3UC suitable for railway applications?
Yes. The S200 MT UC range is designed for rolling-stock applications, with the S201MT-Z3UC meeting EN 45545 R26/HL3 requirements and IEC 61373 Category 1, Class A/B shock and vibration requirements.
Trusted Railway Circuit Protection from ABB
ABB S200 MT UC miniature circuit breakers combine universal AC/DC capability, high short-circuit performance and railway-focused compliance, providing dependable circuit protection for rolling stock, traction equipment and demanding industrial installations.
