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ABB S201MT-Z40NA MCB – S200M – 1P+N – Z – 40A
ABB S201MT-Z40NA miniature circuit breaker from the S200MT railway series, featuring 1+N configuration, 40 A rated current, Z trip characteristic and 10 kA short circuit breaking capacity.
Why Choose the ABB S201MT-Z40NA Miniature Circuit Breaker?
The ABB S201MT-Z40NA is a reliable 1P+N miniature circuit breaker (MCB) designed for railway, traction and demanding industrial applications. Part of the specialist ABB S200MT series, it provides dependable overload and short circuit protection for electrical installations where safety, compact design and long-term reliability are essential.
Engineered for challenging operating environments, the S201MT-Z40NA uses a thermal-magnetic tripping mechanism to protect circuits against overloads and fault currents. Its DIN rail mounted construction allows straightforward installation inside railway electrical cabinets, industrial control panels and distribution boards.
With a 40 A rated current, Z characteristic trip curve and 10 kA short circuit breaking capacity, this miniature circuit breaker is suited to sensitive circuits requiring fast magnetic tripping. It is ideal for control circuits, electronic equipment and applications where rapid fault disconnection helps protect downstream components.
Key Advantages
- Specialist ABB S200MT railway miniature circuit breaker.
- 40 A rated current for reliable circuit protection.
- Z trip characteristic for sensitive short circuit protection.
- 1P+N configuration with switched neutral conductor.
- 10 kA short circuit breaking capacity for dependable fault interruption.
- Compact DIN rail mounted design for efficient panel installation.
Key Features
- ABB S200MT railway miniature circuit breaker series.
- 40 A rated operational current.
- Z trip characteristic for fast magnetic response.
- 1+N pole configuration.
- 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-Z40NA provides rapid magnetic tripping for circuits that require fast disconnection during short circuit conditions. This makes it suitable for control systems, electronic equipment and sensitive loads where downstream devices need effective protection from fault currents.
As part of the ABB S200MT railway range, this breaker supports dependable operation in demanding environments. Its compact design, proven ABB switching performance and DIN rail compatibility make it suitable for new electrical panel builds, maintenance work and replacement applications.
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 | 40 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-Z40NA | |
| Product type | Miniature circuit breaker | |
| Rated current | 40 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-Z40NA used for?
The S201MT-Z40NA 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-Z40NA?
The ABB S201MT-Z40NA has a 40 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 equipment 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-Z40NA 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.
