Why Choose the ABB S204MT-C6 Miniature Circuit Breaker?
The ABB S204MT-C6 is a compact and reliable miniature circuit breaker (MCB) designed to provide overload and short-circuit protection in electrical circuits for traction, railway and industrial applications. As part of the ABB System pro M compact S200MT series, this four-pole breaker is designed for demanding railway and rolling-stock environments and provides reliable protection for AC electrical systems.
The S204MT-C6 combines a C tripping characteristic with a 10 kA rated breaking capacity, providing dependable circuit protection for applications requiring a defined response to overloads and short circuits. ABB's S200MT range is specifically developed for the traction industry, with dedicated materials complying with railway fire and smoke requirements and testing against shock and vibration standards for rolling-stock installations.
With a 6 A rated current, four poles and an AC supply, the S204MT-C6 is suitable for protecting auxiliary, control and distribution circuits in railway electrical systems. Its DIN-rail mounting enables straightforward installation in electrical distribution boards, control cabinets and rolling-stock equipment. ABB's official S200MT documentation identifies the S204MT-C6 as a four-pole, 6 A model with order code 2CDS274445R0064.
Key Advantages
- Compact miniature circuit breaker designed for traction and railway applications.
- 6 A rated current for protection of appropriately sized electrical circuits.
- Four-pole configuration for multi-pole circuit protection and isolation.
- C tripping characteristic for general-purpose circuit protection and applications with moderate inrush currents.
- 10 kA rated breaking capacity for effective short-circuit protection.
- AC supply capability for railway electrical applications.
- DIN-rail mounting simplifies installation in distribution and control panels.
Key Features
- ABB System pro M compact S200MT series for traction and railway applications.
- 6 A rated current.
- Four-pole construction.
- C tripping characteristic.
- 10 kA rated breaking capacity.
- Designed for AC applications.
- DIN-rail mounting for electrical distribution and control panels.
- Dedicated materials designed to meet railway fire and smoke requirements.
- Tested according to shock and vibration requirements for rolling-stock installations.
Reliable Circuit Protection for Railway Electrical Systems
Miniature circuit breakers such as the ABB S204MT-C6 protect electrical circuits by interrupting the supply when excessive current caused by an overload or short circuit is detected. The C characteristic provides a defined tripping response for general-purpose circuit protection and circuits where moderate inrush currents can occur.
The S200MT series is developed for traction and rolling-stock applications, with dedicated plastic materials designed to comply with European fire and smoke requirements under EN 45545-2. ABB also states that the range is tested according to IEC/EN 61373 shock and vibration standards, making it suitable for rolling-stock installations.
Typical Applications
- Railway rolling-stock electrical systems.
- Traction auxiliary circuits.
- Railway control and signalling equipment.
- On-board electrical distribution systems.
- Auxiliary and control circuits in rail vehicles.
- Industrial AC electrical systems requiring miniature circuit protection.
