Why Choose the ABB S203MT-C10NA Miniature Circuit Breaker?
The ABB S203MT-C10NA is a high-performance 3P+N miniature circuit breaker (MCB) from the ABB System pro M compact S200MT series. Developed specifically for demanding traction, railway and industrial applications, it provides reliable protection against overloads and short circuits while delivering dependable performance in harsh operating environments.
The S200MT range features ABB's advanced current-limiting technology, incorporating both a delayed thermal tripping mechanism for overload protection and an electromechanical tripping mechanism for short-circuit protection. Certified to IEC/EN 60898-1 and IEC/EN 60947-2, the range is classified to NF F 16-101/102 Exigence 3, making it suitable for installation throughout railway vehicles as well as industrial electrical systems.
With a 10 A rated current, C curve tripping characteristic, 3P+N configuration and 10 kA breaking capacity, the S203MT-C10NA is ideal for protecting three-phase distribution circuits, machinery, control panels and automation systems requiring reliable neutral switching and professional-grade protection.
Key Advantages
- Compact 3P+N miniature circuit breaker for industrial and railway applications.
- 10 A rated current for general-purpose three-phase protection.
- C curve tripping characteristic suitable for moderate inrush current applications.
- 10 kA rated short-circuit breaking capacity.
- Current-limiting design helps minimise fault energy.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB System pro M compact S200MT series.
- Product ID: 2CDS273106R0104.
- Model: S203MT-C10NA.
- Rated current: 10 A.
- C curve tripping characteristic.
- 3P+N configuration with three protected poles and switched neutral.
- Thermal overload and electromechanical short-circuit protection.
- DIN rail mounting with failsafe screw terminals.
Reliable Protection for Industrial and Railway Installations
Miniature circuit breakers automatically disconnect electrical circuits when overloads or short circuits occur, protecting wiring and connected equipment from damage. The ABB S203MT-C10NA combines thermal and magnetic trip mechanisms to provide dependable protection for demanding electrical systems.
Designed for railway rolling stock and industrial applications, the S200MT range offers high reliability, excellent mechanical endurance and compatibility with the complete ABB System pro M compact accessory range, making it suitable for both new installations and equipment upgrades.
Typical Applications
- Railway rolling stock.
- Industrial control panels.
- Three-phase power distribution.
- OEM machinery.
- Automation systems.
- Commercial electrical installations.