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ABB S201M-D20NA MCB – 1P+N – D Curve – 20A – 10kA
ABB S201M-D20NA 1P+N miniature circuit breaker with 20 A rated current, D tripping characteristic and 10 kA breaking capacity for industrial and commercial circuit protection.
£38.79
Why Choose the ABB S201M-D20NA Miniature Circuit Breaker?
The ABB S201M-D20NA is a premium 1P+N miniature circuit breaker (MCB) from the trusted ABB System pro M compact S200M series. Designed to provide dependable protection against overloads and short circuits, it is ideal for residential, commercial and industrial electrical installations requiring reliable circuit protection.
Featuring a D tripping characteristic, the S201M-D20NA is specifically engineered for circuits with high inrush currents, making it ideal for motors, transformers, compressors and other inductive loads. Its current limiting construction reduces fault energy, whilst the thermal overload and electromechanical short circuit trip mechanisms provide rapid and dependable protection.
Rated at 20 A with a 10 kA short circuit breaking capacity, this compact 1P+N MCB is designed for DIN rail mounting inside distribution boards and control panels. The S200M range complies with IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for demanding electrical installations worldwide.
Key Advantages
- Compact 1P+N miniature circuit breaker for dependable circuit protection.
- 20 A rated current for industrial and commercial applications.
- D curve tripping characteristic for high inrush current loads.
- 10 kA breaking capacity for reliable short circuit protection.
- Current limiting design helps minimise thermal and mechanical stress during faults.
- Compatible with ABB bottom-fitting auxiliary contacts for space-saving installations.
Key Features
- ABB System pro M compact S200M series.
- Model: S201M-D20NA.
- Product ID: 2CDS271103R0201.
- 20 A rated current.
- D tripping characteristic.
- 1P+N configuration.
- 10 kA rated short circuit breaking capacity.
- DIN rail mounting with compatibility for ABB auxiliary accessories.
Reliable Protection for High Inrush Current Circuits
The ABB S201M-D20NA combines delayed thermal overload protection with instantaneous electromechanical short circuit protection to safeguard wiring, equipment and connected loads. Its current limiting design helps minimise thermal and mechanical stress during fault conditions whilst improving overall installation safety.
The D curve characteristic makes this miniature circuit breaker particularly suitable for applications where high starting currents occur during normal operation, including motor driven equipment, transformers, compressors and industrial machinery.
Typical Applications
- Motor control circuits.
- Industrial machinery.
- Transformer protection.
- Automation and PLC control panels.
- Commercial distribution boards.
- Electrical installations with high inrush current loads.
Technical Specifications
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| Current | 20 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-D20NA | |
| Product ID | 2CDS271103R0201 | |
| EAN | 4016779599986 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 20 A | |
| Tripping characteristic | D | |
| Number of poles | 1P+N | |
| Rated operational voltage | 230 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short circuit capacity | 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (W × H × D) | approx. 35 × 88 × 69 mm | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 |
Frequently Asked Questions
What is the ABB S201M-D20NA used for?
The S201M-D20NA protects electrical circuits against overloads and short circuits, particularly those supplying motors, transformers and other inductive loads with high starting currents.
What does the D curve tripping characteristic mean?
A D curve miniature circuit breaker is designed for circuits with high inrush currents, making it ideal for motors, transformers, compressors and similar equipment.
What is the rated current of the S201M-D20NA?
The ABB S201M-D20NA has a rated current of 20 A.
What is the short circuit breaking capacity?
This miniature circuit breaker provides a rated short circuit breaking capacity of 10 kA.
How is the ABB S201M-D20NA installed?
The breaker is designed for installation onto a standard DIN rail inside electrical distribution boards, machine cabinets and industrial control panels.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for dependable circuit protection, compact design and long service life across demanding electrical installations.
