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2CDS272445R0635 ABB S202MT-B63 MCB 10kA 2P Type B 63A
ABB S202MT-B63 is a 63 A 2-pole B-characteristic miniature circuit breaker with 10 kA short-circuit breaking capacity, designed for reliable circuit protection in demanding railway, traction and industrial applications.
£86.81
Why Choose the ABB S202MT-B63 Miniature Circuit Breaker?
The ABB S202MT-B63 is a specialised 2-pole miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in demanding railway, traction and industrial electrical systems. As part of the ABB S200MT miniature circuit breaker series, it combines a 63 A rated current with a B tripping characteristic and a high 10 kA short-circuit breaking capacity.
Developed specifically for railway and rolling stock applications, the S202MT-B63 protects cables and conductors against overload and short-circuit conditions. Its B characteristic provides comparatively sensitive magnetic operation, making it suitable for circuits where substantial normal starting-current peaks are not expected.
With a rated current of 63 A, a 2-pole configuration and 10 kA breaking capacity, the S202MT-B63 provides dependable circuit protection for demanding electrical installations. ABB order code 2CDS272445R0635 identifies this specific B-characteristic 63 A version within the S200MT railway range.
Key Advantages
- Specialised miniature circuit breaker for railway and traction applications.
- 63 A rated current with a 2-pole configuration.
- B tripping characteristic suited to circuits without substantial normal starting-current peaks.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Both poles are protected for comprehensive circuit protection.
- Robust construction developed specifically for demanding rolling stock environments.
Key Features
- ABB S200MT miniature circuit breaker series.
- 63 A rated current.
- 2-pole configuration with 2 protected poles.
- B tripping characteristic.
- 10 kA short-circuit breaking capacity.
- 400 V rated voltage.
- 4 kV rated impulse withstand voltage.
- Energy limiting class 3 and overvoltage category III.
- Direct conductor connection up to 25 mm².
- Compact DIN rail construction with IP20 terminal protection.
Reliable Circuit Protection for Railway and Traction Systems
Miniature circuit breakers such as the ABB S202MT-B63 automatically disconnect an electrical circuit when excessive current occurs because of an overload or short circuit. This helps protect cables, conductors and connected electrical equipment while allowing the breaker to be reset after the electrical fault has been identified and corrected.
The ABB S200MT range is specifically developed for railway applications and combines dependable electrical protection with construction suited to demanding rolling stock environments. The B characteristic provides comparatively sensitive magnetic operation, making the S202MT-B63 suitable for auxiliary, distribution and other circuits where substantial normal inrush currents are not expected.
Typical Applications
- Railway and rolling stock electrical systems.
- Traction electrical installations.
- Auxiliary electrical circuits.
- Distribution circuits with relatively low normal inrush currents.
- Industrial control panels and switchgear.
- Transportation and automation electrical systems.
Technical Specifications
| Series | S200MT |
|---|---|
| ABB order code | 2CDS272445R0635 |
| Product type | Miniature circuit breaker (MCB) |
| Product group | DC / Traction MCB |
| Rated current | 63 A |
| Number of poles | 2 |
| Number of protected poles | 2 |
| Tripping characteristic | B |
| Rated voltage | 400 V |
| Rated short-circuit breaking capacity | 10 kA |
| Rated impulse withstand voltage (Uimp) | 4 kV |
| Energy limiting class | 3 |
| Overvoltage category | III |
| Standards | IEC/EN 60898-1 and IEC/EN 60947-2 |
| Railway fire protection | R26 / HL3 according to EN 45545 |
| Railway requirement class | Class 3 according to NF F 16-101/102 (I2-F3) |
| Shock and vibration classification | Category 1, Class A/B according to IEC 61373 |
| Mounting type | DIN rail |
| Installation depth | 69 mm |
| Direct conductor connection | up to 25 mm² |
| Terminal protection | IP20 |
| Weight | approx. 0.25 kg |
| Pack quantity | 5 pieces |
| EAN | 4016779122610 |
Frequently Asked Questions
What is the ABB S202MT-B63 used for?
The ABB S202MT-B63 is a miniature circuit breaker designed to protect cables and electrical circuits against overload and short-circuit currents in demanding railway, traction and industrial applications.
What is the current rating of the S202MT-B63?
The S202MT-B63 has a rated current of 63 A and uses a 2-pole configuration with both poles protected.
What does the B characteristic mean?
The B tripping characteristic provides comparatively sensitive magnetic short-circuit protection and is generally suited to circuits where substantial normal starting or inrush currents are not expected.
What is the breaking capacity of the ABB S202MT-B63?
The S202MT-B63 has a 10 kA short-circuit breaking capacity, providing robust fault protection for demanding railway, traction and industrial electrical installations.
Is the ABB S202MT-B63 suitable for railway applications?
Yes. The S202MT-B63 belongs to ABB's S200MT range developed specifically for railway applications and meets railway-related requirements including R26 / HL3 according to EN 45545 and Category 1, Class A/B according to IEC 61373.
Trusted Circuit Protection from ABB
ABB S200MT miniature circuit breakers provide dependable overload and short-circuit protection for demanding railway and transportation electrical systems, combining high breaking capacity with robust construction developed for rolling stock and traction environments.
