Why Choose the ABB S203MT-C16NA Miniature Circuit Breaker?
The ABB S203MT-C16NA is a specialist miniature circuit breaker (MCB) from the ABB System pro M Compact S200MT series, developed specifically for traction, railway and demanding industrial electrical applications. Featuring a C characteristic trip curve, it delivers dependable overload and short circuit protection for circuits with moderate inrush currents.
The S200MT range has been engineered to meet the stringent requirements of railway and rolling stock installations, combining delayed thermal overload protection with fast electromechanical short circuit protection. Its current limiting design helps minimise fault energy while protecting valuable electrical equipment and improving system reliability.
With a rated current of 16 A, a 3P+N configuration and a 10 kA breaking capacity, the S203MT-C16NA is ideally suited to three-phase circuits requiring neutral switching in transport infrastructure, rolling stock and specialist industrial control systems.
Key Advantages
- Specialist miniature circuit breaker designed for traction and railway applications.
- 16 A rated current for dependable circuit protection.
- C characteristic trip curve suitable for circuits with moderate inrush currents.
- 3P+N configuration with three protected poles and switched neutral.
- 10 kA breaking capacity for reliable short circuit protection.
- DIN rail mounting for quick installation within electrical panels.
Key Features
- ABB System pro M Compact S200MT series.
- 16 A rated current.
- C curve tripping characteristic.
- 3P+N pole configuration.
- 10 kA rated short circuit breaking capacity.
- Designed specifically for traction and railway environments.
- Thermal overload and electromechanical short circuit protection.
- Compatible with ABB System pro M Compact accessories.
Reliable Circuit Protection for Traction and Railway Systems
The ABB S203MT-C16NA automatically disconnects electrical circuits during overloads and short circuits. Its thermal tripping mechanism protects against sustained overload conditions, while the electromechanical mechanism reacts rapidly to fault currents, helping reduce equipment damage and minimise downtime.
The S200MT series has been developed specifically for railway and traction applications, making it suitable for rolling stock, transport infrastructure and industrial systems requiring dependable circuit protection and compact DIN rail installation.
Typical Applications
- Railway and traction electrical systems.
- Rolling stock distribution panels.
- Transport infrastructure equipment.
- Industrial control panels.
- Three-phase power distribution circuits.
- Electrical installations requiring neutral switching.
