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ABB S201MT-Z25NAH01 MCB – S200M – 1P+N – Z – 25A
ABB S201MT-Z25NAH01 single pole 25 A miniature circuit breaker with Z characteristic, 10 kA breaking capacity and integrated H01 auxiliary contact for traction, railway and industrial electrical applications.
Why Choose the ABB S201MT-Z25NAH01 Miniature Circuit Breaker?
The ABB S201MT-Z25NAH01 is a compact and reliable miniature circuit breaker (MCB) designed for dependable overload and short circuit protection in demanding electrical systems. As part of the specialist ABB S200MT series, it is developed for traction, rolling stock and railway applications where robust circuit protection and long service life are essential.
This model features a Z characteristic tripping curve, making it suitable for circuits requiring fast magnetic response to short circuit conditions. It is commonly used where rapid fault disconnection is required to help protect sensitive electrical equipment, control circuits and signalling systems.
With a rated current of 25 A, single pole configuration, 10 kA breaking capacity and integrated H01 auxiliary contact, the S201MT-Z25NAH01 provides both circuit protection and remote status indication for monitored electrical installations.
Key Advantages
- Compact miniature circuit breaker for railway and traction applications.
- 25 A rated current for protected electrical circuits.
- Z characteristic tripping curve for rapid short circuit response.
- 10 kA short circuit breaking capacity.
- Integrated H01 auxiliary contact for remote status indication.
- DIN rail mounting for quick installation in control panels and distribution boards.
Key Features
- ABB S200MT miniature circuit breaker series.
- 25 A rated current.
- Z characteristic thermal magnetic trip curve.
- Single pole configuration.
- 10 kA breaking capacity.
- Integrated H01 auxiliary contact.
- Designed for traction, railway and industrial electrical systems.
- DIN rail mounting for panel installation.
Reliable Protection for Traction and Control Circuits
The ABB S200MT range is engineered for demanding transport and industrial environments where circuit protection devices must deliver consistent performance under electrical and mechanical stress. The Z curve characteristic provides rapid magnetic tripping, helping protect sensitive circuits and equipment from damaging fault currents.
The integrated auxiliary contact enables remote indication of breaker status, supporting modern control, monitoring and signalling systems used in railway vehicles, traction equipment and industrial automation panels.
Typical Applications
- Railway rolling stock electrical systems.
- Traction and transport control panels.
- Signalling and monitoring circuits.
- Industrial automation equipment.
- Control and auxiliary circuits.
- OEM electrical distribution assemblies.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Poles | 1-pole + N | |
| Current | 25 A | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z25NAH01 | |
| Product ID | 2CDO271106R0518 | |
| Product type | Miniature circuit breaker | |
| Rated current | 25 A | |
| Tripping characteristic | Z | |
| Number of poles | 1 | |
| Breaking capacity | 10 kA | |
| Auxiliary contact | H01 integrated | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Application | Railway, traction and industrial electrical installations |
Frequently Asked Questions
What is the ABB S201MT-Z25NAH01 used for?
It is used to provide overload and short circuit protection in railway, traction, industrial control and electrical distribution circuits.
What is the rated current of this circuit breaker?
The ABB S201MT-Z25NAH01 has a rated current of 25 A.
What does the Z tripping characteristic mean?
The Z curve provides fast magnetic tripping, making it suitable for sensitive circuits where rapid short circuit protection is required.
Does the S201MT-Z25NAH01 include an auxiliary contact?
Yes. This model includes an integrated H01 auxiliary contact for remote status indication and monitoring.
Where is this MCB typically installed?
It is typically installed on a DIN rail inside railway electrical cabinets, industrial control panels and distribution boards.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by railway engineers, OEM machine builders and industrial panel manufacturers for reliable circuit protection, compact installation and dependable performance in demanding applications.
