Why Choose the ABB S204MTR-K50 Miniature Circuit Breaker?
The ABB S204MTR-K50 is a robust four-pole miniature circuit breaker (MCB) designed for reliable overcurrent and short-circuit protection in DC electrical systems, particularly for traction and railway applications. As part of the ABB System pro M compact S200MTR DC series, it provides dependable circuit protection for rolling stock and other demanding railway electrical installations.
The S204MTR-K50 combines a K tripping characteristic with a rated current of 50 A and a rated breaking capacity of 10 kA. Its four-pole configuration provides protection across four DC circuits, while the compact modular design supports straightforward integration into electrical distribution and control assemblies.
Designed for railway and traction applications, the S204MTR-K50 is supplied for DC applications and is suitable for installation on standard DIN rails. Its compact form factor and established System pro M compact platform make it suitable for space-conscious electrical distribution systems where reliable circuit protection is required.
Key Advantages
- Compact miniature circuit breaker designed for traction and railway applications.
- 50 A rated current for higher-current DC circuit protection.
- Four-pole configuration for multi-pole DC circuit protection.
- K tripping characteristic for circuit protection suited to applications with higher starting currents.
- 10 kA rated breaking capacity for effective short-circuit protection.
- DIN-rail mounting for straightforward installation in electrical distribution assemblies.
Key Features
- ABB System pro M compact S200MTR DC series.
- 50 A rated current.
- K tripping characteristic.
- Four-pole construction.
- 10 kA rated breaking capacity.
- Designed for DC supply applications.
- Suitable for traction and railway electrical systems.
- Compact modular design with DIN-rail mounting.
Reliable Circuit Protection for Railway Electrical Systems
Miniature circuit breakers such as the ABB S204MTR-K50 provide automatic protection against excessive current and short-circuit conditions. The breaker interrupts the affected circuit when the current reaches the relevant tripping conditions, helping protect electrical equipment, wiring and distribution systems.
The S200MTR DC series is developed for electrical installation solutions in rolling stock and traction applications. Its K characteristic and four-pole configuration provide a practical protection solution for DC distribution circuits where dependable switching and overcurrent protection are required.
Typical Applications
- Railway rolling stock electrical systems.
- Traction and auxiliary DC circuits.
- DC electrical distribution systems.
- Railway control and equipment circuits.
- Industrial DC distribution assemblies.
- Electrical panels and control cabinets requiring four-pole DC circuit protection.
