Why Choose the ABB S204MTR-K4 Miniature Circuit Breaker?
The ABB S204MTR-K4 is a compact and reliable miniature circuit breaker (MCB) designed for overcurrent and short-circuit protection in traction, railway and industrial electrical applications. As part of the ABB System pro M compact S200MTR series, it is specifically designed for electrical protection in railway and traction systems where dependable operation is required.
This circuit breaker combines a four-pole configuration with a K tripping characteristic, providing overload and short-circuit protection for circuits with higher starting or inrush currents. Its modular construction supports straightforward installation and integration into suitable railway electrical distribution and control assemblies.
With a rated current of 4 A, a 10 kA rated breaking capacity and a DC supply configuration, the S204MTR-K4 is suitable for protecting control, signalling and auxiliary circuits in traction and railway electrical installations. Its DIN-rail mounting format enables convenient installation in compatible electrical enclosures.
Key Advantages
- Compact four-pole miniature circuit breaker for traction and railway applications.
- 4 A rated current for low-current electrical circuits.
- K tripping characteristic for circuits with higher starting and inrush currents.
- 10 kA rated breaking capacity for effective short-circuit protection.
- Designed for DC supply applications.
- DIN-rail mounting simplifies installation in electrical distribution and control panels.
Key Features
- ABB System pro M compact S200MTR series.
- S204MTR-K4 four-pole MCB.
- 4 A rated current.
- K tripping characteristic.
- 10 kA rated breaking capacity.
- DC supply configuration.
- Overload and short-circuit protection.
- DIN-rail mounting for modular electrical installations.
Reliable Circuit Protection for Railway and Traction Systems
Miniature circuit breakers provide automatic protection against excessive current caused by overloads and short circuits. The ABB S200MTR series is designed for demanding traction and railway applications where dependable circuit protection is required within electrical distribution and control systems.
The S204MTR-K4 combines four-pole switching and protection with a K-characteristic trip curve and a 10 kA breaking capacity. Its modular DIN-rail format allows it to be incorporated into suitable control cabinets, distribution boards and auxiliary electrical assemblies.
Typical Applications
- Railway electrical distribution systems.
- Traction equipment and auxiliary circuits.
- Railway signalling and control systems.
- DC control and protection circuits.
- Industrial automation and electrical control panels.
- Auxiliary electrical equipment requiring compact overcurrent protection.
