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ABB S201MT-Z50NAH10 MCB – S200M – 1P+N – Z – 50A
ABB S201MT-Z50NAH10 miniature circuit breaker, a 50 A Z type 1P+N MCB from the S200MT series designed for industrial, railway and traction circuit protection.
Why Choose the ABB S201MT-Z50NAH10 Miniature Circuit Breaker?
The ABB S201MT-Z50NAH10 is a dependable miniature circuit breaker (MCB) from the ABB S200MT series, designed for overload and short circuit protection in industrial, railway and traction electrical systems. Built for demanding environments, it delivers reliable circuit protection in a compact DIN rail mounted format.
This ABB MCB uses thermal magnetic protection to help safeguard circuits against sustained overload currents and short circuit fault conditions. Its Z tripping characteristic provides sensitive short circuit protection, making it suitable for equipment and control circuits where fast disconnection is required.
With a 50 A rated current, 1P+N configuration and 10 kA breaking capacity, the S201MT-Z50NAH10 is well suited to railway electrical systems, industrial control panels, distribution boards and OEM equipment requiring compact, reliable circuit protection.
Key Advantages
- Reliable ABB miniature circuit breaker for industrial, railway and traction applications.
- 50 A rated current for higher load circuit protection.
- Z tripping characteristic for sensitive short circuit protection.
- 1P+N configuration with switched neutral.
- 10 kA breaking capacity for demanding electrical installations.
- Compact DIN rail mounting for efficient panel installation.
Key Features
- ABB S200MT series.
- 50 A rated current.
- Z tripping characteristic.
- 1P+N miniature circuit breaker.
- 10 kA short circuit breaking capacity.
- Thermal magnetic protection for overload and short circuit faults.
- Suitable for industrial, railway and traction electrical systems.
- 35 mm DIN rail mounted design.
Reliable Protection for Sensitive Electrical Circuits
Miniature circuit breakers such as the ABB S201MT-Z50NAH10 help protect wiring and equipment from damage caused by overloads and short circuits. The delayed thermal mechanism responds to overload conditions, while the electromechanical trip mechanism provides fast operation during short circuit faults.
The Z curve characteristic is suitable for applications where sensitive protection is required, helping disconnect faults quickly to protect connected equipment. Its 1P+N design allows protection of the phase conductor with neutral switching, making it practical for compact distribution and control panel installations.
Typical Applications
- Railway and traction electrical systems.
- Industrial control panels.
- Distribution boards and sub-distribution circuits.
- Control and signalling circuits.
- Machine building and OEM equipment.
- Protection of sensitive electrical equipment.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Current | 50 A | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z50NAH10 | |
| MPN | 2CDV271106R0578 | |
| Product type | Miniature circuit breaker | |
| Rated current | 50 A | |
| Number of poles | 1P+N | |
| Tripping characteristic | Z | |
| Breaking capacity | 10 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 | |
| Terminal type | Screw terminals | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S201MT-Z50NAH10 used for?
The ABB S201MT-Z50NAH10 is used to protect electrical circuits against overloads and short circuits in industrial, railway and traction applications.
What is the rated current of this MCB?
This miniature circuit breaker has a 50 A rated current.
What does the Z tripping characteristic mean?
The Z tripping characteristic provides sensitive short circuit protection and is suitable for circuits where fast disconnection is required.
What does 1P+N mean?
1P+N means the circuit breaker protects the phase conductor and switches the neutral conductor, helping provide compact protection for single phase circuits.
How is this ABB MCB installed?
This circuit breaker is designed for installation on a standard 35 mm DIN rail inside an electrical control panel or distribution board.
Trusted by Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by panel builders, railway engineers and industrial automation specialists for reliable protection, compact installation and long service life in demanding electrical environments.
