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ABB S201M-B50 MCB – S200M – 1P – B – 50A
ABB S201MB50 System pro M Compact miniature circuit breaker featuring 1 pole, 50 A rated current, B curve tripping characteristic and 10 kA breaking capacity for reliable electrical circuit protection.
£14.39
Why Choose the ABB S201MB50 Miniature Circuit Breaker?
The ABB S201MB50 is a high-performance 1 pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200M series. Designed to provide dependable overload and short circuit protection, it is suitable for residential, commercial and industrial electrical installations where reliable protection of standard circuits is essential.
Featuring a B curve tripping characteristic and a 50 A rated current, the S201MB50 is ideal for protecting resistive loads, lighting circuits, socket circuits and other applications with low inrush currents. Its current limiting technology helps minimise fault energy, improving the protection of connected equipment and electrical installations.
Manufactured in accordance with IEC/EN 60898-1 and IEC/EN 60947-2, the ABB S201MB50 provides a 10 kA breaking capacity, compact DIN rail mounting and compatibility with ABB auxiliary accessories, making it an excellent choice for professional distribution boards and control panels.
Key Advantages
- Compact 1 pole miniature circuit breaker.
- 50 A rated current with B curve tripping characteristic.
- 10 kA short circuit breaking capacity.
- Ideal for circuits with low inrush currents.
- Reliable overload and short circuit protection.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200M series.
- 50 A rated current.
- B characteristic thermal magnetic trip.
- 1 pole configuration.
- 10 kA breaking capacity at 230/400 V AC.
- DIN rail mounting.
- Red/green contact position indication.
- Current limiting design for enhanced circuit protection.
Reliable Protection for Standard Electrical Circuits
The ABB S201MB50 combines delayed thermal overload protection with electromechanical short circuit protection. The B curve characteristic provides rapid tripping for overload and fault conditions, making it suitable for circuits with minimal starting current such as lighting and resistive loads.
As part of the ABB S200M range, this miniature circuit breaker delivers dependable current limiting performance, compact installation and long service life. It is well suited to electrical distribution boards, commercial installations and industrial control panels.
Typical Applications
- Lighting circuits.
- Socket outlet circuits.
- Commercial electrical distribution boards.
- Industrial control panels.
- Building services installations.
- OEM equipment and general power distribution.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 50 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200M | |
| Model | S201M-B50 | |
| MPN | 2CDS271001R0505 | |
| EAN | 4016779543811 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 50 A | |
| Tripping characteristic | B | |
| Number of poles | 1 | |
| Rated operational voltage | 230/400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Mounting type | 35 mm DIN rail | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Contact indication | Red ON / Green OFF | |
| Width | 17.5 mm (1 module) | |
| Dimensions (W × H × D) | approx. 17.5 × 88 × 69 mm | |
| Weight | approx. 0.125 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201MB50 used for?
The ABB S201MB50 protects electrical circuits against overloads and short circuits in residential, commercial and industrial electrical installations.
What does the B curve tripping characteristic mean?
A B curve breaker trips quickly at relatively low fault currents, making it suitable for lighting, heating and other circuits with low inrush currents.
What is the rated current of the S201MB50?
This miniature circuit breaker has a rated current of 50 A.
What is the breaking capacity?
The ABB S201MB50 provides a 10 kA short circuit breaking capacity at 230/400 V AC.
How is the breaker installed?
The S201MB50 mounts onto a standard 35 mm DIN rail and is suitable for installation inside distribution boards and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers worldwide for dependable circuit protection, consistent performance and long service life.
