Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
2CDS273445R0354 ABB S203MT-C35 MCB 10 kA 3P Type C 35 A
ABB S203MT-C35 is a three-pole 35 A Type C miniature circuit breaker with 10 kA breaking capacity, designed for reliable overload and short-circuit protection in traction, railway and demanding electrical applications.
£100.58
Why Choose the ABB S203MT-C35 Miniature Circuit Breaker?
The ABB S203MT-C35 is a high-performance three-pole miniature circuit breaker (MCB) designed to protect electrical circuits against overload and short-circuit conditions in demanding DC, traction and railway applications. Part of the specialised ABB S200MT series, this circuit breaker combines a 35 A rated current, C tripping characteristic and 10 kA breaking capacity with a compact DIN-rail format.
Developed for applications requiring dependable circuit protection under demanding operating conditions, the S200MT range is particularly suited to railway and rolling-stock electrical systems. The series provides protection for cables and conductors while offering robust construction, clear switching indication and compatibility with ABB System pro M compact accessories.
The S203MT-C35 features three protected poles, a 35 A rated current and Type C tripping characteristic. Its 10 kA short-circuit breaking capacity provides reliable protection for circuits where higher prospective fault currents may occur, while its modular construction enables straightforward installation within distribution boards and control enclosures.
Key Advantages
- Specialised miniature circuit breaker for DC, traction and railway applications.
- 35 A rated current for three-pole circuit protection.
- Type C tripping characteristic suitable for circuits with moderate inrush currents.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Protects cables and conductors against overload and short circuits.
- Compact modular design for installation on standard DIN rail.
Key Features
- ABB S200MT miniature circuit breaker series.
- 35 A rated current.
- Three-pole (3P) configuration.
- C characteristic instantaneous tripping curve.
- 10 kA breaking capacity.
- Patented connection terminal designed for secure conductor contact.
- Visible switch-position indication for straightforward status checking.
- Terminal design accommodates conductors up to 25 mm².
- Compatible with an extensive range of ABB modular accessories.
Reliable Circuit Protection for Traction and Railway Systems
Miniature circuit breakers such as the ABB S203MT-C35 automatically interrupt a circuit when excessive current occurs due to an overload or short circuit. This helps protect cables, conductors and connected electrical equipment from damage while allowing the circuit to be reset after the fault has been identified and corrected.
The ABB S200MT series is engineered with railway and traction applications in mind, where dependable operation, mechanical robustness and compliance with demanding industry standards are essential. Its modular construction and compatibility with ABB accessories also simplify integration into new and existing electrical distribution systems.
Typical Applications
- Railway and rolling-stock electrical systems.
- Traction power auxiliary circuits.
- DC electrical distribution systems.
- Train control and equipment cabinets.
- Industrial control panels and distribution boards.
- Cable and conductor overload and short-circuit protection.
Technical Specifications
| Series | S200MT |
|---|---|
| ABB order code | 2CDS273445R0354 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 35 A |
| Number of poles | 3 |
| Tripping characteristic | Type C |
| Short-circuit breaking capacity | 10 kA |
| Maximum conductor cross-section | 25 mm² |
| Terminal protection | IP20 |
| Mounting type | DIN rail |
| Applicable standards | IEC/EN 60898-1 and IEC/EN 60947-2 |
| Railway fire protection | DIN EN 45545, R26 / HL3 |
| Railway vibration/shock classification | IEC 61373, Category 1 Class A/B (mounted) |
| Weight | approx. 0.36 kg |
Frequently Asked Questions
What is the ABB S203MT-C35 used for?
The ABB S203MT-C35 is a three-pole miniature circuit breaker designed to protect cables and electrical circuits against overload and short-circuit conditions, with particular suitability for traction and railway applications.
What is the rated current of the S203MT-C35?
The S203MT-C35 has a rated current of 35 A.
What tripping characteristic does this MCB have?
The S203MT-C35 uses a Type C tripping characteristic, providing an appropriate response for circuits that may experience moderate inrush currents during normal operation.
What is the breaking capacity of the ABB S203MT-C35?
The S203MT-C35 has a 10 kA short-circuit breaking capacity, providing robust protection against high fault currents.
What is the ABB order code for the S203MT-C35?
The ABB order code for the S203MT-C35 is 2CDS273445R0354.
Trusted Circuit Protection from ABB
ABB S200MT miniature circuit breakers provide dependable overload and short-circuit protection for demanding traction, railway and industrial electrical systems, combining robust construction with compact modular installation.
