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ABB S203MT-K6NAH10 MCB – S200M – 3P+N – K – 6A
ABB S203MT-K6NAH10 miniature circuit breaker with K characteristic, 6 A rated current, 3P+N configuration and 10 kA breaking capacity for industrial and railway applications.
Why Choose the ABB S203MT-K6NAH10 Miniature Circuit Breaker?
The ABB S203MT-K6NAH10 is a premium three-pole plus neutral (3P+N) miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for industrial, railway and transportation electrical systems. As part of the proven ABB S200MT series, it delivers outstanding performance, durability and safety for demanding low-voltage installations.
Featuring a K tripping characteristic, this MCB is ideal for circuits with moderate inrush currents, including motors, transformers, control equipment and inductive loads. Its carefully engineered tripping characteristics help minimise nuisance trips while maintaining excellent protection for connected equipment.
With a 6 A rated current, 3P+N configuration and a 10 kA breaking capacity, the ABB S203MT-K6NAH10 is well suited to industrial control panels, OEM machinery, electrical distribution boards and railway applications where reliable circuit protection is essential.
Key Advantages
- Compact 3P+N miniature circuit breaker for industrial and railway installations.
- 6 A rated current for control and auxiliary circuits.
- K characteristic designed for circuits with higher inrush currents.
- 10 kA rated short-circuit breaking capacity.
- Integrated switched neutral for simplified installation.
- Designed for long service life and dependable operation.
Key Features
- ABB S200MT miniature circuit breaker series.
- Model: S203MT-K6NAH10.
- Rated current: 6 A.
- K tripping characteristic.
- 3 protected poles plus switched neutral (3P+N).
- 10 kA breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- DIN rail mounting with screw terminals.
Reliable Protection for Industrial Electrical Systems
The ABB S203MT-K6NAH10 combines thermal overload protection with rapid magnetic short-circuit protection to help safeguard electrical installations against potentially damaging faults. Its K characteristic makes it particularly suitable for equipment that experiences temporary inrush currents during start-up.
Designed for demanding industrial environments, this miniature circuit breaker offers reliable long-term performance and straightforward installation within modular DIN rail distribution systems.
Typical Applications
- Industrial control panels.
- Railway and transportation systems.
- Motor control circuits.
- Control transformers.
- OEM machinery.
- Low-voltage electrical distribution boards.
Technical Specifications
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| Current | 6 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole + N | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S203MT-K6NAH10 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 6 A | |
| Tripping characteristic | K | |
| Number of poles | 3P+N | |
| Protected poles | 3 | |
| Rated operational voltage | Up to 440 V AC | |
| Rated insulation voltage | 440 V | |
| Rated short-circuit breaking capacity | 10 kA | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | 88 × 70 × 69 mm approx. | |
| Weight | approx. 0.39 kg |
Frequently Asked Questions
What is the ABB S203MT-K6NAH10 used for?
It provides overload and short-circuit protection for industrial control circuits, machinery and railway electrical installations.
What does the K tripping characteristic offer?
The K characteristic is designed for circuits with higher inrush currents, making it ideal for motors, transformers and inductive loads.
What is the rated current of this circuit breaker?
The ABB S203MT-K6NAH10 has a rated current of 6 A.
What is the short-circuit breaking capacity?
This miniature circuit breaker provides a rated short-circuit breaking capacity of 10 kA.
Where is the S203MT-K6NAH10 typically installed?
It is designed for DIN rail installation within industrial control panels, distribution boards, OEM machinery and railway electrical systems.
Trusted by Electrical Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by panel builders, OEM manufacturers and industrial engineers for delivering dependable circuit protection, excellent reliability and long operational life in demanding applications.
