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ABB S201MT-Z8H01 MCB – S200M – 1P – Z – 8A
ABB S201MT-Z8H01 1 pole 8 A miniature circuit breaker with Z characteristic and 10 kA breaking capacity for railway, traction and industrial circuit protection.
Why Choose the ABB S201MT-Z8H01 Miniature Circuit Breaker?
The ABB S201MT-Z8H01 is a compact and reliable 1 pole miniature circuit breaker (MCB) from the ABB S200MT series, designed for dependable overload and short circuit protection in railway, traction and industrial electrical systems. With a Z characteristic trip curve, it provides rapid magnetic tripping for sensitive circuits where fast disconnection is required.
The S200MT range is engineered for demanding environments where safety, durability and consistent protection are essential. Its current limiting construction, compact modular format and DIN rail mounting design make it suitable for control panels, signalling systems, auxiliary circuits and automation equipment.
With an 8 A rated current, 10 kA breaking capacity and 1 pole configuration, the ABB S201MT-Z8H01 offers practical circuit protection for sensitive electronic loads, control equipment and railway electrical systems requiring reliable fault interruption.
Key Advantages
- Compact 1 pole miniature circuit breaker for railway and industrial applications.
- 8 A rated current for low current circuit protection.
- Z characteristic trip curve for sensitive electrical and electronic equipment.
- 10 kA short circuit breaking capacity.
- DIN rail mounting for fast installation in control panels.
- Suitable for traction, signalling, automation and auxiliary electrical systems.
Key Features
- ABB S200MT miniature circuit breaker series.
- 8 A rated current.
- Z tripping characteristic.
- 1 pole configuration.
- 10 kA rated breaking capacity.
- Thermal overload and electromagnetic short circuit protection.
- Current limiting design.
- Compact 17.5 mm modular width.
Reliable Circuit Protection for Sensitive Electrical Systems
Miniature circuit breakers such as the ABB S201MT-Z8H01 protect electrical installations by automatically disconnecting the circuit during overload or short circuit conditions. The thermal mechanism responds to sustained overloads, while the electromagnetic mechanism provides rapid disconnection during fault currents.
The Z curve characteristic makes this breaker especially suitable for sensitive electronic circuits and control systems with low inrush currents. Its compact DIN rail format allows simple integration into railway panels, industrial distribution boards and OEM electrical assemblies.
Typical Applications
- Railway rolling stock electrical systems.
- Rail infrastructure and signalling circuits.
- Industrial control panels.
- Automation and machine control systems.
- Sensitive electronic equipment protection.
- OEM electrical assemblies and panel building.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | Z curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-Z8H01 | |
| MPN | 2CDO271006R0408 | |
| Alternative product type | S201MT-Z8 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 8 A | |
| Tripping characteristic | Z | |
| Number of poles | 1 | |
| Rated operational voltage | 230 V AC | |
| Rated insulation voltage | 440 V | |
| Rated frequency | 50 / 60 Hz | |
| Short circuit breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 17.5 × 69 mm | |
| Built-in depth | 69 mm |
Frequently Asked Questions
What is the ABB S201MT-Z8H01 used for?
It is used to protect electrical circuits against overloads and short circuits in railway, industrial, signalling and automation applications.
What is the rated current of this MCB?
The ABB S201MT-Z8H01 has an 8 A rated current.
What does the Z characteristic mean?
The Z trip curve provides rapid magnetic tripping, making it suitable for sensitive electronic equipment and control circuits with low inrush current.
What is the breaking capacity of the S201MT-Z8H01?
This miniature circuit breaker has a 10 kA short circuit breaking capacity.
How is this circuit breaker installed?
The S201MT-Z8H01 is designed for DIN rail mounting inside electrical distribution boards, control panels and machine cabinets.
Trusted by Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial maintenance teams for reliable protection, compact installation and dependable performance in demanding electrical systems.
