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ABB S201MT-Z8NAH01 MCB – S200M – 1P+N – Z – 8A
ABB S201MT-Z8NAH01 miniature circuit breaker with 8 A rated current, Z trip characteristic, 1P plus switched neutral configuration and 10 kA breaking capacity for railway, industrial and automation applications.
Why Choose the ABB S201MT-Z8NAH01 Miniature Circuit Breaker?
The ABB S201MT-Z8NAH01 is a high performance miniature circuit breaker (MCB) developed to provide dependable overload and short circuit protection for railway, traction, industrial and commercial electrical installations. As part of the trusted ABB S200MT series, it combines a Z characteristic trip curve with an 8 A rated current, making it ideal for protecting sensitive electronic equipment, PLCs, instrumentation and low current control circuits.
Featuring a 1P + switched neutral configuration, the S201MT-Z8NAH01 protects the live conductor while simultaneously switching the neutral conductor for improved circuit isolation. Its 10 kA rated short circuit breaking capacity provides dependable protection for demanding applications while maintaining a compact DIN rail mounted design.
Designed for modern industrial environments, the S201MT-Z8NAH01 is compatible with ABB System pro M Compact accessories and is widely specified by OEMs, panel builders and railway engineers requiring long term reliability and consistent electrical protection.
Key Advantages
- Premium ABB S200MT miniature circuit breaker.
- 8 A rated current for sensitive control circuits.
- Z characteristic provides rapid tripping for electronic equipment.
- 1P + switched neutral configuration.
- 10 kA breaking capacity.
- Compact DIN rail installation.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB S200MT series.
- Model: S201MT-Z8NAH01.
- 8 A rated current.
- Z trip characteristic.
- 1 protected pole + switched neutral.
- 10 kA rated short circuit capacity.
- Current limiting class 3.
- 50 / 60 Hz operation.
- Failsafe bi-directional cylinder-lift screw terminals.
- Designed for railway, traction and industrial applications.
Reliable Protection for Sensitive Electronic Circuits
Miniature circuit breakers automatically disconnect electrical circuits when overload or short circuit conditions occur, helping protect valuable equipment while improving electrical safety and system reliability.
The Z characteristic provides rapid magnetic tripping, making the ABB S201MT-Z8NAH01 particularly suitable for PLCs, instrumentation, signalling systems, electronic control equipment and other sensitive circuits used in railway and industrial automation.
Typical Applications
- Industrial automation systems.
- PLC and control panels.
- Railway and traction equipment.
- Electronic control circuits.
- Instrumentation systems.
- Machine building and OEM equipment.
- Commercial and industrial distribution boards.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Poles | 1-pole + N | |
| Current | 8 A | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z8NAH01 | |
| Product ID | 2CDO271106R0408 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 8 A | |
| Trip characteristic | Z | |
| Number of poles | 1P + switched neutral | |
| Protected poles | 1 | |
| Rated voltage | 230 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Rated short circuit capacity | 10 kA | |
| Rated ultimate short circuit breaking capacity (Icu) | 15 kA | |
| Frequency | 50 / 60 Hz | |
| Current limiting class | 3 | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Dimensions (H × W × D) | 88 × 35 × 69 mm | |
| Approximate weight | 0.25 kg |
Frequently Asked Questions
What is the ABB S201MT-Z8NAH01 used for?
It provides overload and short circuit protection for sensitive electronic equipment, industrial automation systems and railway electrical installations.
What is the rated current of this breaker?
The ABB S201MT-Z8NAH01 has a 8 A rated current.
What does the Z trip characteristic provide?
The Z characteristic delivers rapid magnetic tripping, making it suitable for protecting sensitive electronic devices and low current control circuits.
What does 1P + switched neutral mean?
It means the breaker protects one live conductor while simultaneously switching the neutral conductor to improve circuit isolation.
How is the ABB S201MT-Z8NAH01 installed?
The breaker is designed for installation on a standard 35 mm DIN rail using screw terminal connections.
Trusted by Electrical Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by railway operators, OEM manufacturers, panel builders and industrial engineers for dependable circuit protection, compact installation and long service life.
