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ABB S201MT-Z25NA MCB – S200M – 1P+N – Z – 25A
ABB S201MT-Z25NA miniature circuit breaker from the S200MT railway series, featuring 1+N configuration, 25 A rated current, Z trip characteristic and 10 kA short circuit breaking capacity.
Why Choose the ABB S201MT-Z25NA Miniature Circuit Breaker?
The ABB S201MT-Z25NA is a compact and reliable 1P+N miniature circuit breaker (MCB) designed for precise circuit protection in railway, traction and demanding industrial applications. Part of the specialist ABB S200MT series, it provides dependable overload and short circuit protection where safety, continuity and performance are essential.
Built for challenging operating environments, the S201MT-Z25NA combines thermal overload protection with fast electromagnetic short circuit tripping. Its compact DIN rail mounted format makes it easy to install inside electrical distribution boards, control cabinets and railway electrical enclosures.
With a 25 A rated current, Z characteristic trip curve and 10 kA short circuit breaking capacity, this MCB is particularly suited to sensitive electrical circuits where rapid magnetic tripping is required. It is commonly used for control circuits, electronic equipment and applications where fast fault disconnection helps protect downstream components.
Key Advantages
- Specialist ABB S200MT railway miniature circuit breaker.
- 25 A rated current for reliable circuit protection.
- Z trip characteristic for sensitive circuit protection.
- 1P+N configuration with switched neutral conductor.
- 10 kA short circuit breaking capacity for dependable fault interruption.
- Compact DIN rail mounted construction for efficient panel installation.
Key Features
- ABB S200MT miniature circuit breaker series.
- 25 A rated operational current.
- Z trip characteristic for fast magnetic response.
- 1+N pole arrangement.
- 230 V AC rated operational voltage.
- 10 kA rated short circuit breaking capacity.
- Thermal and electromagnetic tripping mechanisms.
- DIN rail mounting with screw terminal connections.
Sensitive Protection for Railway and Control Circuits
The Z curve characteristic of the ABB S201MT-Z25NA provides rapid magnetic tripping, making it suitable for circuits where downstream equipment requires fast protection against fault currents. This makes the breaker well suited to control systems, electronic devices and sensitive loads used in railway and industrial installations.
As part of the ABB S200MT railway range, the S201MT-Z25NA is designed to support reliable circuit protection in installations exposed to demanding operational conditions. Its compact form factor, proven ABB engineering and DIN rail compatibility make it suitable for both new panel builds and maintenance replacement work.
Typical Applications
- Railway rolling stock electrical systems.
- Traction auxiliary circuits.
- Control circuit protection.
- Electronic equipment and sensitive loads.
- Industrial automation panels.
- Distribution boards and electrical cabinets.
Technical Specifications
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| Current | 25 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z25NA | |
| Product type | Miniature circuit breaker | |
| Rated current | 25 A | |
| Trip characteristic | Z | |
| Number of poles | 1+N | |
| Number of protected poles | 1 | |
| Rated operational voltage | 230 V AC | |
| Voltage type | AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short circuit capacity | 10 kA at 230 V AC | |
| Rated ultimate short circuit breaking capacity | 15 kA | |
| Rated service short circuit breaking capacity | 11.2 kA | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Energy limiting class | 3 | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-Z25NA used for?
The S201MT-Z25NA is used to protect electrical circuits against overloads and short circuits, particularly in railway, traction, control panel and industrial automation applications.
What is the rated current of the S201MT-Z25NA?
The ABB S201MT-Z25NA has a 25 A rated current.
What does the Z trip characteristic mean?
The Z trip characteristic provides fast magnetic tripping, making the breaker suitable for sensitive circuits, electronic devices and applications where rapid fault disconnection is required.
What breaking capacity does this MCB provide?
This miniature circuit breaker provides a 10 kA short circuit breaking capacity at 230 V AC.
How is the ABB S201MT-Z25NA installed?
It is designed for DIN rail mounting inside electrical panels, distribution boards and railway electrical enclosures.
Trusted for Railway and Industrial Circuit Protection
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial maintenance teams for dependable overload and short circuit protection in demanding electrical installations.
