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ABB S201MT-Z2NAH01 MCB – S200M – 1P+N – Z – 2A
ABB S201MT-Z2NAH01 miniature circuit breaker with 2 A rated current, Z trip characteristic, 1P plus switched neutral configuration and 10 kA breaking capacity for industrial, commercial and traction applications.
Why Choose the ABB S201MT-Z2NAH01 Miniature Circuit Breaker?
The ABB S201MT-Z2NAH01 is a compact and dependable miniature circuit breaker (MCB) designed for reliable overload and short circuit protection in industrial, commercial, railway and traction electrical installations. Part of the ABB S200MT miniature circuit breaker range, it combines a Z characteristic trip curve with a 2 A rated current, making it suitable for sensitive electronic circuits, control equipment and low current applications requiring rapid fault disconnection.
This ABB MCB features a 1P + switched neutral arrangement, providing protection on the phase conductor while also switching the neutral conductor for improved circuit isolation. With a 10 kA rated breaking capacity, the S201MT-Z2NAH01 delivers robust protection for control panels, OEM equipment and demanding electrical distribution systems.
Its modular DIN rail design supports fast installation inside electrical enclosures, while compatibility with ABB System pro M Compact accessories makes it a flexible and practical choice for panel builders, machine manufacturers and maintenance engineers.
Key Advantages
- High quality ABB miniature circuit breaker for reliable circuit protection.
- 2 A rated current suitable for low current and sensitive circuits.
- Z characteristic trip curve designed for rapid protection of electronic equipment.
- 1P + switched neutral configuration for phase protection with neutral switching.
- 10 kA breaking capacity for dependable short circuit protection.
- DIN rail mounting for quick installation in electrical panels.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 2 A rated current.
- Z trip characteristic.
- 1 protected pole + switched neutral.
- 10 kA rated breaking capacity.
- Current limiting design for effective fault protection.
- Suitable for 50 / 60 Hz AC systems.
- Compact modular DIN rail construction.
- Screw terminal connections.
- Designed for industrial, commercial, traction and panel applications.
Reliable Protection for Sensitive Electronic Circuits
Miniature circuit breakers protect electrical circuits by automatically disconnecting the supply when overload or short circuit conditions occur. The ABB S201MT-Z2NAH01 is designed for sensitive low current circuits where dependable protection and fast tripping behaviour are important.
Its Z characteristic makes it particularly useful for protecting PLCs, instrumentation, signalling equipment, electronic controls and other sensitive devices. The switched neutral configuration also supports convenient circuit isolation within control panels and distribution boards.
Typical Applications
- Control panels and automation systems.
- PLC and electronic control circuits.
- Low current auxiliary circuits.
- Instrumentation and signalling equipment.
- Railway and traction electrical 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 | 2 A | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z2NAH01 | |
| Product type | Miniature circuit breaker (MCB) | |
| Product ID | 2CDS271106R0278 | |
| Rated current | 2 A | |
| Trip characteristic | Z | |
| Number of poles | 1P + switched neutral | |
| Protected poles | 1 | |
| Rated short circuit capacity | 10 kA | |
| Rated ultimate breaking capacity | 15 kA | |
| Rated voltage | 230 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| Built-in depth | 69 mm | |
| Width | 2 modular units |
Frequently Asked Questions
What is the ABB S201MT-Z2NAH01 used for?
It is used to provide overload and short circuit protection for sensitive low current circuits, control panels, electronic equipment and railway electrical systems.
What is the current rating of this MCB?
The ABB S201MT-Z2NAH01 has a 2 A rated current.
What does the Z trip characteristic mean?
The Z characteristic provides rapid magnetic tripping, making it suitable for sensitive electronic devices and control circuits requiring fast fault protection.
What does 1P + switched neutral mean?
It means the breaker protects one phase conductor while also switching the neutral conductor for improved circuit isolation.
How is the ABB S201MT-Z2NAH01 installed?
It is designed for installation on a standard 35 mm DIN rail inside an electrical enclosure or control panel.
Trusted by Electrical Professionals Worldwide
ABB miniature circuit breakers are widely used by panel builders, machine manufacturers, railway engineers, electrical contractors and industrial maintenance teams for dependable circuit protection, compact installation and proven long-term performance.
