Why Choose the ABB S203MT-C0.5 Miniature Circuit Breaker?
The ABB S203MT-C0.5 is a high quality 3-pole miniature circuit breaker (MCB) designed to provide reliable overload and short circuit protection in railway, rolling stock and demanding industrial applications. As part of the specialist ABB S200MT miniature circuit breaker series, it is engineered to meet the requirements of traction systems and railway vehicles whilst delivering dependable performance in critical electrical installations.
The circuit breaker combines a delayed thermal tripping mechanism for overload protection with an electromagnetic tripping mechanism for short circuit protection. Its C characteristic tripping curve is ideal for protecting general purpose circuits with moderate inrush currents, making it suitable for control systems, signalling equipment and industrial automation applications.
With a 0.5 A rated current, 3-pole configuration and 10 kA short circuit capacity, the ABB S203MT-C0.5 delivers dependable protection for low current three-phase circuits. Its compact DIN rail mounted design simplifies installation whilst maintaining compatibility with ABB System pro M Compact accessories.
Key Advantages
- Specialist 3-pole miniature circuit breaker for railway and industrial applications.
- 0.5 A rated current for low current protection circuits.
- C characteristic tripping curve suitable for moderate inrush currents.
- 10 kA short circuit capacity for reliable fault protection.
- Designed specifically for traction and rolling stock electrical systems.
- DIN rail mounting for fast installation inside electrical panels.
Key Features
- ABB S200MT railway miniature circuit breaker series.
- 0.5 A rated current.
- 3-pole configuration.
- C characteristic tripping curve.
- 10 kA rated short circuit capacity.
- Thermal overload and electromagnetic short circuit protection.
- Compatible with ABB System pro M Compact accessories.
- DIN rail mounting for modular electrical installations.
Reliable Circuit Protection for Railway and Industrial Systems
The ABB S200MT range has been developed specifically for railway and traction applications, providing dependable protection against overloads and short circuits in demanding operating environments. The product range complies with IEC/EN 60898-1 and IEC/EN 60947-2 whilst supporting the use of ABB System pro M Compact accessories for enhanced functionality.
Its C curve characteristic provides a balanced response for general purpose electrical circuits with moderate inrush currents, making the S203MT-C0.5 suitable for signalling equipment, auxiliary systems, industrial control panels and automation equipment where reliable protection is essential.
Typical Applications
- Railway rolling stock electrical systems.
- Traction and signalling equipment.
- Industrial control panels.
- Automation and control circuits.
- Auxiliary electrical systems.
- Low current three-phase distribution circuits.
