ABB S203MT-C1 S200MT 3-pole miniature circuit breaker with 1 A rated current, C characteristic and 10 kA breaking capacity designed for railway, traction and industrial applications.
£154.71
The ABB S203MT-C1 is a robust 3-pole miniature circuit breaker (MCB) from the specialised ABB S200MT series, developed specifically for traction and railway applications. Designed to provide dependable overload and short circuit protection, it combines ABB's proven thermal and magnetic tripping technology with enhanced resistance to vibration and harsh operating environments.
Unlike standard miniature circuit breakers, the S200MT range is engineered for rolling stock and transport infrastructure, meeting demanding railway standards while remaining fully compatible with ABB System pro M compact accessories. Its compact DIN rail mounted design allows straightforward installation in electrical cabinets and control panels used throughout rail vehicles and industrial applications.
With a 1 A rated current, C characteristic, 10 kA breaking capacity and 3 protected poles, the ABB S203MT-C1 provides reliable protection for three-phase control circuits, auxiliary systems and railway electrical equipment where dependable performance is essential.
The ABB S203MT-C1 combines delayed thermal overload protection with rapid magnetic short circuit protection to safeguard electrical equipment against damaging fault conditions. Its current limiting design helps reduce mechanical and thermal stress during short circuits, improving overall system reliability.
The S200MT range has been developed specifically for railway environments and demanding industrial installations, providing reliable protection where resistance to vibration, long service life and dependable performance are essential.
| Current | 1 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | S200MT |
| Model | S203MT-C1 |
| Product ID | 2CDS273445R0014 |
| Product type | Miniature Circuit Breaker (MCB) |
| Rated current | 1 A |
| Tripping characteristic | C |
| Number of poles | 3 |
| Rated operational voltage | 400 V AC |
| Maximum operating voltage | 440 V AC |
| Frequency | 50 / 60 Hz |
| Rated short-circuit capacity | 10 kA |
| Protection rating | IP20 |
| Energy limiting class | 3 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm |
| Weight | approx. 0.375 kg |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203MT-C1 protects three-phase electrical circuits against overloads and short circuits, particularly in railway, traction and industrial applications.
The ABB S203MT-C1 has a rated current of 1 A.
The miniature circuit breaker provides a rated short circuit breaking capacity of 10 kA.
The C characteristic is suitable for general-purpose circuits with moderate inrush currents, including control equipment and industrial applications.
Yes. The S203MT-C1 is compatible with ABB System pro M compact auxiliary contacts and related accessories.
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial system integrators for dependable circuit protection, excellent reliability and compliance with demanding transport applications.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...