Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S201MT-K8H01 MCB – S200M – 1P – K – 8A
ABB S201MT-K8H01 1 pole 8 A miniature circuit breaker with K characteristic and 10 kA breaking capacity for railway, traction and industrial circuit protection.
Why Choose the ABB S201MT-K8H01 Miniature Circuit Breaker?
The ABB S201MT-K8H01 is a robust 1 pole miniature circuit breaker (MCB) from the ABB S200MT railway series, developed for rolling stock, railway infrastructure and demanding industrial installations. Featuring a K characteristic trip curve, it is designed to protect circuits with moderate inrush currents, making it ideal for inductive loads, control circuits and auxiliary equipment.
The S200MT range combines dependable overload and short circuit protection with a compact DIN rail mounted design. Its current limiting construction helps minimise fault energy, while its robust mechanical design ensures long service life in harsh operating environments.
With a rated current of 8 A, 10 kA breaking capacity and compatibility with ABB System pro M accessories, the S201MT-K8H01 provides reliable protection for electrical distribution systems requiring high performance and dependable operation.
Key Advantages
- Compact 1 pole miniature circuit breaker for railway and industrial applications.
- 8 A rated current for dependable circuit protection.
- K characteristic trip curve for circuits with moderate inrush currents.
- 10 kA short circuit breaking capacity.
- DIN rail mounting for simple installation.
- Suitable for traction, automation and industrial control systems.
Key Features
- ABB S200MT miniature circuit breaker series.
- 8 A rated current.
- K 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 Railway and Industrial Systems
The ABB S201MT-K8H01 protects electrical installations by disconnecting the supply during overload and short circuit conditions. The thermal tripping mechanism responds to sustained overloads, while the magnetic tripping mechanism provides rapid disconnection during fault conditions to help protect connected equipment.
Its K characteristic is particularly suitable for applications involving inductive loads and moderate inrush currents, including control transformers, relays, solenoids and auxiliary power circuits. The compact modular design enables straightforward integration into modern control panels and electrical distribution systems.
Typical Applications
- Railway rolling stock.
- Rail infrastructure and signalling systems.
- Industrial control panels.
- Automation equipment.
- Auxiliary power circuits.
- OEM machinery and electrical assemblies.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 8 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K8H01 | |
| MPN | 2CDO271006R0407 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 8 A | |
| Tripping characteristic | K | |
| 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 | |
| Weight | approx. 0.125 kg |
Frequently Asked Questions
What is the ABB S201MT-K8H01 used for?
It provides overload and short circuit protection for railway, industrial and automation electrical circuits.
What is the rated current of this circuit breaker?
The ABB S201MT-K8H01 has a rated current of 8 A.
What does the K characteristic mean?
The K trip curve is designed for circuits with moderate inrush currents, making it suitable for inductive loads, control circuits and auxiliary equipment.
What is the breaking capacity of this MCB?
The S201MT-K8H01 provides a 10 kA short circuit breaking capacity.
How is the S201MT-K8H01 installed?
The circuit breaker is designed for quick installation onto standard DIN rails within electrical distribution boards and control panels.
Trusted by Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by railway operators, machine builders and industrial engineers for dependable protection, compact installation and long service life in demanding electrical applications.
