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ABB S201MT-K4 MCB – S200M – 1P – K – 4A
ABB S201MT-K4 miniature circuit breaker with 4 A rated current, K tripping characteristic, single-pole configuration and 10 kA breaking capacity for industrial and traction applications.
£46.06
Why Choose the ABB S201MT-K4 Miniature Circuit Breaker?
The ABB S201MT-K4 is a high-performance miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in demanding industrial and traction applications. Part of the trusted ABB S200MT series, this single-pole MCB combines reliable circuit protection with a compact DIN rail mounted design for modern electrical installations.
Featuring a K tripping characteristic, the S201MT-K4 is particularly suited to circuits with higher inrush currents, making it ideal for inductive loads such as motors, transformers and control equipment. Its robust construction and compliance with international standards ensure dependable operation in commercial and industrial environments.
With a 4 A rated current, 10 kA short-circuit breaking capacity and support for 230/400 V AC systems, the ABB S201MT-K4 delivers reliable protection while helping maintain system uptime and electrical safety.
Key Advantages
- Compact single-pole miniature circuit breaker for DIN rail installations.
- K curve tripping characteristic suitable for circuits with higher inrush currents.
- 4 A rated current for reliable circuit protection.
- 10 kA breaking capacity for demanding industrial applications.
- Thermal and magnetic trip mechanisms provide comprehensive fault protection.
- Compatible with ABB auxiliary contacts, shunt trips and other accessories.
Key Features
- ABB S200MT series miniature circuit breaker.
- 4 A rated current.
- K tripping characteristic.
- 10 kA rated short-circuit breaking capacity.
- Single-pole (1P) configuration.
- Suitable for 230/400 V AC installations.
- DIN rail mounting for quick installation.
- High mechanical and electrical endurance for long service life.
Reliable Circuit Protection for Industrial Installations
The ABB S201MT-K4 combines thermal overload protection with magnetic short-circuit protection to safeguard electrical circuits and connected equipment. The K characteristic provides greater tolerance for temporary inrush currents while maintaining rapid fault disconnection when required.
Its compact modular design makes it suitable for electrical distribution boards, industrial control panels, railway applications and OEM equipment where dependable protection and long-term reliability are essential.
Typical Applications
- Industrial control panels.
- Motor and transformer protection.
- Traction and railway electrical systems.
- OEM machinery.
- Commercial electrical distribution boards.
- Automation and control 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 Miniature Circuit Breakers | |
| Model | S201MT-K4 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 4 A | |
| Number of poles | 1 | |
| Tripping characteristic | K | |
| Rated operational voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short-circuit breaking capacity | 10 kA | |
| Rated insulation voltage | 440 V | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 17.5 × 69 mm | |
| Weight | approx. 0.125 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MT-K4 used for?
The ABB S201MT-K4 protects electrical circuits against overloads and short circuits in industrial, commercial and traction applications.
What does the K tripping characteristic mean?
The K curve is designed for circuits with higher inrush currents, making it suitable for inductive loads such as motors, transformers and control equipment.
What is the rated current of this circuit breaker?
The ABB S201MT-K4 has a 4 A rated current.
What is the short-circuit breaking capacity?
This miniature circuit breaker offers a 10 kA rated short-circuit breaking capacity for demanding installations.
How is the ABB S201MT-K4 mounted?
The breaker is designed for quick installation onto a standard DIN rail inside electrical distribution boards and control panels.
Trusted by Electrical Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by electrical engineers, panel builders and OEM manufacturers for dependable circuit protection, robust performance and long-term reliability in demanding industrial applications.
