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ABB S201MT-Z4NAH10 MCB – S200M – 1P+N – Z – 4A
ABB S201MT-Z4NAH10 miniature circuit breaker with 4 A rated current, Z characteristic, 1P+N configuration and 10 kA breaking capacity for railway, traction and industrial circuit protection applications.
Why Choose the ABB S201MT-Z4NAH10 Miniature Circuit Breaker?
The ABB S201MT-Z4NAH10 is a compact and reliable miniature circuit breaker (MCB) designed for dependable overload and short circuit protection in railway, traction and industrial electrical systems. Part of the specialist ABB S200MT series, it is built for demanding environments where safety, reliability and long term circuit protection are essential.
This miniature circuit breaker combines thermal overload protection with electromagnetic short circuit protection to help safeguard wiring, control circuits and connected equipment. Its current limiting design helps reduce fault energy, supporting safer operation and improved protection in railway cabinets, distribution boards and industrial control panels.
With a 4 A rated current, Z characteristic tripping curve and 1P + N configuration, the ABB S201MT-Z4NAH10 is especially suitable for sensitive circuits requiring rapid magnetic tripping. Its compact DIN rail mounted construction enables fast, neat installation in space restricted electrical assemblies.
Key Advantages
- Compact miniature circuit breaker for railway and industrial installations.
- 4 A rated current for low current circuit protection.
- Z curve tripping characteristic for sensitive electrical and electronic circuits.
- 1P + N configuration with protected phase and switched neutral.
- 10 kA breaking capacity for reliable short circuit protection.
- DIN rail mounting for fast installation in control panels and distribution boards.
Key Features
- ABB S200MT miniature circuit breaker series.
- 4 A rated current.
- Z characteristic tripping curve.
- 1P + N pole configuration.
- Thermal overload protection.
- Electromagnetic short circuit protection.
- Current limiting design.
- Suitable for railway, traction and industrial electrical applications.
Reliable Protection for Sensitive Electrical Circuits
The ABB S201MT-Z4NAH10 is designed to disconnect electrical circuits automatically during overload and short circuit conditions. The Z characteristic provides rapid magnetic tripping, making it suitable for protecting sensitive electronic circuits, signalling equipment, control systems and low current auxiliary supplies.
As part of ABB’s S200MT railway focused range, this MCB combines compact dimensions with dependable operation for demanding transport and industrial environments. The 1P + N configuration protects the phase conductor while switching the neutral, making it practical for single phase distribution and control panel applications.
Typical Applications
- Railway rolling stock electrical systems.
- Traction and auxiliary circuits.
- Sensitive electronic control circuits.
- Signalling equipment.
- Industrial automation panels.
- OEM machinery and electrical cabinets.
Technical Specifications
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| Phase | Single Phase | |
|---|---|---|
| Current | 4 A | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z4NAH10 | |
| Product type | Miniature circuit breaker (MCB) | |
| Manufacturer part number | 2CDV271106R0338 | |
| Rated current | 4 A | |
| Tripping characteristic | Z | |
| Number of poles | 1P + N | |
| Number of protected poles | 1 | |
| Rated operational voltage | 230 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 10 kA | |
| Rated ultimate short circuit breaking capacity | 15 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg |
Frequently Asked Questions
What is the ABB S201MT-Z4NAH10 used for?
It is used to protect low current electrical circuits against overloads and short circuits in railway, traction, control panel and industrial applications.
What is the rated current of this MCB?
The ABB S201MT-Z4NAH10 has a 4 A rated current.
What does the Z characteristic mean?
The Z tripping characteristic provides fast magnetic tripping and is commonly used for sensitive electrical and electronic circuits.
What does 1P + N mean?
1P + N means the breaker protects one phase pole and switches the neutral conductor, providing compact protection for single phase circuits.
How is the ABB S201MT-Z4NAH10 installed?
The breaker is designed for installation on a standard 35 mm DIN rail inside electrical distribution boards, railway cabinets and industrial control panels.
Trusted by Railway and Industrial Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial maintenance teams for compact circuit protection, dependable performance and long service life in demanding electrical environments.
