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ABB S201MT-K4H10 MCB – S200M – 1P – K – 4A
ABB S201MT-K4H10 1 pole 4 A K curve miniature circuit breaker with 10 kA breaking capacity for railway, industrial and automation applications.
Why Choose the ABB S201MT-K4H10 Miniature Circuit Breaker?
The ABB S201MT-K4H10 is a high performance 1 pole miniature circuit breaker (MCB) from the ABB S200MT railway series, designed to provide dependable overload and short circuit protection in demanding traction, rolling stock and industrial applications. Featuring a K characteristic tripping curve, it is particularly suited to circuits with higher inrush currents, including transformers, control circuits and inductive loads.
Manufactured to ABB's renowned quality standards, the S201MT series combines excellent current limiting performance with compact DIN rail mounting. Its robust construction, reliable tripping characteristics and compliance with international railway and industrial standards make it an ideal choice for OEMs, panel builders and maintenance engineers.
With a 4 A rated current, 10 kA short circuit breaking capacity and compact single module width, the S201MT-K4H10 provides safe and reliable circuit protection while helping maximise available panel space.
Key Advantages
- Compact 1 pole miniature circuit breaker for professional installations.
- 4 A rated current with K curve tripping characteristic.
- 10 kA breaking capacity for demanding industrial applications.
- Excellent protection against overloads and short circuits.
- Suitable for traction, railway and industrial control systems.
- DIN rail mounting enables fast installation and maintenance.
Key Features
- ABB S200MT miniature circuit breaker series.
- 4 A rated current.
- K characteristic for higher inrush current applications.
- 10 kA short circuit breaking capacity.
- 1 pole configuration.
- Thermal and magnetic trip mechanisms.
- Compact DIN rail mounted design.
- Designed for railway, traction and industrial installations.
Reliable Protection for Critical Electrical Circuits
The ABB S201MT-K4H10 protects electrical installations by automatically disconnecting power when overload or short circuit conditions occur. Its K curve characteristic allows temporary high inrush currents while maintaining dependable protection for equipment and wiring.
Designed specifically for demanding environments, the S200MT range is widely used throughout railway, transportation and industrial control applications where reliable circuit protection and long service life are essential.
Typical Applications
- Railway and rolling stock electrical systems.
- Industrial control panels.
- Transformer protection.
- Control and signalling circuits.
- Motor control applications with higher inrush currents.
- OEM machinery and automation equipment.
Technical Specifications
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| Current | 4 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S201MT-K4H10 | |
| Manufacturer Part Number | 2CDV271006R0337 | |
| Product type | Miniature circuit breaker | |
| Rated current | 4 A | |
| Number of poles | 1 | |
| Tripping characteristic | K Curve | |
| Rated short circuit breaking capacity | 10 kA | |
| Mounting type | DIN rail | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Standards | IEC/EN 60947-2 |
Frequently Asked Questions
What is the ABB S201MT-K4H10 used for?
It provides overload and short circuit protection for railway, industrial and automation electrical circuits.
What is the rated current?
The ABB S201MT-K4H10 has a 4 A rated current.
What does the K tripping characteristic mean?
The K curve is designed for circuits with higher inrush currents, making it suitable for transformers, motors and inductive loads.
How many poles does this circuit breaker have?
This model is a 1 pole miniature circuit breaker.
How is the S201MT-K4H10 installed?
The breaker is designed for quick installation onto standard DIN rails inside electrical control panels and distribution boards.
Trusted by Engineers Worldwide
ABB S200MT miniature circuit breakers are trusted by panel builders, railway manufacturers and industrial engineers worldwide for dependable electrical protection, long service life and consistent performance in demanding applications.
