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ABB S202MT-K50 MCB – S200M – 2P – K – 50A
ABB S202MT-K50 2-pole 50A miniature circuit breaker with K characteristic and 10 kA breaking capacity for railway and industrial circuit protection.
£131.95
Why Choose the ABB S202MT-K50 Miniature Circuit Breaker?
The ABB S202MT-K50 is a robust 2-pole miniature circuit breaker (MCB) designed for demanding railway, traction and industrial applications. As part of the dependable ABB S200MT series, it delivers reliable overload and short circuit protection whilst meeting the requirements of IEC/EN 60947-2 and railway industry standards.
Engineered for applications with higher inrush currents, the S202MT-K50 incorporates both a delayed thermal tripping mechanism for overload protection and a rapid magnetic tripping mechanism for short circuit protection. Its K characteristic makes it particularly suitable for protecting motors, transformers and other inductive equipment.
With a 50 A rated current, 10 kA breaking capacity and compact DIN rail mounting, the ABB S202MT-K50 provides dependable protection for electrical distribution systems, machine control panels and railway electrical installations.
Key Advantages
- Compact 2-pole miniature circuit breaker for industrial and railway applications.
- 50 A rated current with K characteristic tripping.
- 10 kA short circuit breaking capacity.
- Ideal for circuits with high inrush currents.
- DIN rail mounting for fast installation.
- Compatible with ABB System pro M compact accessories.
Key Features
- ABB S200MT miniature circuit breaker series.
- 50 A rated current.
- 2-pole configuration.
- K characteristic tripping curve.
- 10 kA rated short circuit breaking capacity.
- Thermal and magnetic trip mechanisms.
- 50 / 60 Hz operation.
- Compact DIN rail mounted construction.
Reliable Protection for Industrial Electrical Systems
The ABB S202MT-K50 automatically disconnects electrical circuits during overload or short circuit conditions, helping to protect connected equipment and reduce costly downtime. Its K characteristic allows temporary inrush currents without unnecessary nuisance tripping.
The S200MT range has been developed specifically for railway and traction applications whilst also providing dependable protection for demanding industrial environments. Its compact modular design ensures easy installation and compatibility with ABB's comprehensive range of accessories.
Typical Applications
- Railway and rolling stock electrical systems.
- Industrial control panels.
- Motor and transformer protection.
- Machine building and OEM equipment.
- Electrical distribution systems.
- Industrial automation installations.
Technical Specifications
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| Current | 50 A | |
|---|---|---|
| Poles | 2-pole | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200MT | |
| Model | S202MT-K50 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 50 A | |
| Number of poles | 2 | |
| Tripping characteristic | K | |
| Rated operational voltage | 400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.25 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S202MT-K50 used for?
The ABB S202MT-K50 protects electrical circuits against overloads and short circuits in railway, industrial and commercial electrical installations.
What does the K characteristic mean?
The K characteristic is intended for circuits with higher inrush currents, making it ideal for motors, transformers and other inductive loads.
How many poles does this circuit breaker have?
The ABB S202MT-K50 is a 2-pole miniature circuit breaker.
What is the rated current?
This model has a 50 A rated current.
How is the circuit breaker installed?
The S202MT-K50 is designed for installation onto standard DIN mounting rails within electrical distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB S200MT miniature circuit breakers are trusted by railway operators, panel builders, OEM manufacturers and industrial engineers for delivering dependable circuit protection in demanding electrical installations.
