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ABB S201M-D50NA MCB – S200M – 1P+N – D – 50A
ABB S201M-D50NA miniature circuit breaker with 50 A rated current, D tripping characteristic, 1P+N configuration and 10 kA breaking capacity for reliable protection of high inrush current circuits.
£50.62
Why Choose the ABB S201M-D50NA Miniature Circuit Breaker?
The ABB S201M-D50NA, also identified by product code 2CDS271103R0501, is a high performance 1P+N miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200M range. Designed to provide reliable overload and short circuit protection, it is suitable for residential, commercial and industrial electrical installations where dependable circuit protection is essential.
Featuring a D tripping characteristic, this MCB is particularly suited to circuits with high inrush currents, including motors, transformers, power supplies and other inductive loads. Its current limiting design helps reduce fault energy, supporting improved safety and protection for downstream equipment.
With a 50 A rated current, 1P+N configuration and 10 kA breaking capacity, the ABB S201M-D50NA delivers robust protection in a compact DIN rail mounted format for modern distribution boards, control panels and machinery installations.
Key Advantages
- Reliable ABB System pro M compact miniature circuit breaker.
- D curve tripping characteristic for high inrush current circuits.
- 50 A rated current with 1P+N configuration.
- 10 kA short circuit breaking capacity at 230/400 V AC.
- Current limiting design helps reduce thermal and mechanical stress during faults.
- Suitable for commercial, industrial and machinery protection applications.
Key Features
- ABB System pro M compact S200M series.
- Product code: 2CDS271103R0501.
- Model: S201M-D50NA.
- Rated current: 50 A.
- D tripping characteristic.
- 1P+N configuration.
- 10 kA breaking capacity according to IEC/EN 60898-1.
- 35 mm DIN rail mounting for distribution boards and control panels.
Reliable Protection for High Inrush Current Loads
The ABB S201M-D50NA combines delayed thermal tripping for overload protection with electromechanical tripping for short circuit protection. Its D curve characteristic is designed to tolerate high starting currents while still providing fast disconnection under fault conditions.
As part of ABB's System pro M compact S200M range, this miniature circuit breaker offers dependable operation, compact installation and compatibility with a wide range of ABB modular accessories for professional electrical distribution systems.
Typical Applications
- Industrial control panels.
- Motor and transformer circuits.
- Commercial distribution boards.
- Machinery and OEM equipment.
- Power supply and inductive load protection.
- Automation and process control installations.
Technical Specifications
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| Current | 50 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200M | |
| Model | S201M-D50NA | |
| Product code | 2CDS271103R0501 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 50 A | |
| Tripping characteristic | D | |
| Number of poles | 1P+N | |
| Rated voltage | 230/400 V AC | |
| Rated insulation voltage | 440 V | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | 35 mm DIN rail | |
| EAN | 4016779600224 | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.28 kg |
Frequently Asked Questions
What is the ABB S201M-D50NA used for?
This miniature circuit breaker protects electrical circuits against overloads and short circuits, particularly in installations with high inrush current loads.
What is the rated current of this MCB?
The ABB S201M-D50NA has a 50 A rated current.
What does the D tripping characteristic provide?
The D curve is designed for circuits with high inrush currents, making it suitable for motors, transformers, power supplies and other inductive equipment.
How is this circuit breaker installed?
The device is designed for mounting onto a standard 35 mm DIN rail inside distribution boards, switchboards and electrical control panels.
Which standards does this MCB comply with?
The ABB S201M-D50NA complies with IEC/EN 60898-1 and IEC/EN 60947-2 for residential, commercial and industrial circuit protection.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electrical contractors, panel builders and machine manufacturers for reliable protection, compact installation and long service life across demanding electrical systems.
