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ABB S203MT-C2 MCB – S200M – 3P – C – 2A
ABB S203MT-C2 S200MT 3-pole miniature circuit breaker with 2 A rated current, C characteristic and 10 kA breaking capacity for railway, traction and industrial applications.
£108.30
Why Choose the ABB S203MT-C2 Miniature Circuit Breaker?
The ABB S203MT-C2 is a high-performance 3-pole miniature circuit breaker (MCB) from the specialist ABB S200MT series. It is designed to provide dependable overload and short circuit protection for railway, traction, rolling stock and demanding industrial applications where reliability, vibration resistance and consistent protection are essential.
Featuring a C characteristic tripping curve, the S203MT-C2 is suitable for circuits with moderate inrush currents, including control equipment, auxiliary railway systems, automation panels and industrial electrical circuits. ABB's current limiting technology helps reduce fault energy, while thermal and electromechanical tripping mechanisms provide reliable protection during everyday operation.
With a 2 A rated current, 3 protected poles, 10 kA breaking capacity and compact DIN rail mounted construction, the ABB S203MT-C2 is ideal for low-current three-phase protection in transport infrastructure, rolling stock cabinets, control panels and OEM machinery.
Key Advantages
- Specialist railway and traction miniature circuit breaker for demanding environments.
- 2 A rated current for precise low-current circuit protection.
- C characteristic suitable for circuits with moderate inrush currents.
- 10 kA breaking capacity for high fault protection performance.
- Current limiting Energy Class 3 design helps reduce fault energy.
- DIN rail mounted for simple installation in panels and cabinets.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT railway miniature circuit breaker series.
- Model: S203MT-C2.
- Rated current: 2 A.
- Number of poles: 3.
- C characteristic tripping curve.
- 10 kA rated short-circuit breaking capacity.
- Thermal overload and electromechanical short circuit protection.
- Current limiting Energy Class 3.
- Compact DIN rail mounting.
- Compatible with auxiliary contacts, shunt trips and undervoltage releases.
Reliable Circuit Protection for Railway and Industrial Systems
The ABB S203MT-C2 combines delayed thermal overload protection with rapid magnetic short circuit protection to help safeguard electrical equipment from damaging fault conditions. Its current limiting design helps reduce thermal and mechanical stress during short circuit events, supporting long-term system reliability.
The C characteristic tripping curve makes this MCB suitable for railway auxiliary circuits, control equipment, automation systems and general-purpose industrial loads where moderate inrush currents can occur during normal operation.
Typical Applications
- Railway rolling stock.
- Traction electrical systems.
- Auxiliary railway circuits.
- Industrial control panels.
- Automation and PLC systems.
- Machine building and OEM equipment.
- Low-current three-phase protection.
Technical Specifications
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| Current | 2 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S203MT-C2 | |
| Product ID | 2CDS273445R0024 | |
| EAN | 4016779123914 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 2 A | |
| Tripping characteristic | C | |
| Number of poles | 3 | |
| Number of protected poles | 3 | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage | 440 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Energy limiting class | 3 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL1077, CSA 22.2 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203MT-C2 used for?
The ABB S203MT-C2 is used to protect three-phase electrical circuits against overloads and short circuits, particularly in railway, traction and demanding industrial applications.
What is the rated current of the S203MT-C2?
The ABB S203MT-C2 has a rated current of 2 A.
What is the breaking capacity of this MCB?
The S203MT-C2 has a rated short circuit breaking capacity of 10 kA.
What does the C characteristic mean?
The C characteristic is designed for circuits with moderate inrush currents, making it suitable for control equipment, auxiliary circuits and general-purpose industrial loads.
Where is this miniature circuit breaker typically installed?
It is designed for DIN rail mounting inside railway electrical cabinets, industrial control panels and automation enclosures.
Trusted by Railway and Industrial Professionals
ABB S200MT miniature circuit breakers are trusted by railway engineers, panel builders and industrial system integrators for dependable circuit protection, compact installation and reliable performance in demanding transport and industrial environments.
