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ABB S201-B40NA MCB – 1P+N – B Curve – 40A – 6kA
ABB S201-B40NA miniature circuit breaker featuring a 40 A rated current, B characteristic tripping curve, 1P+N configuration and 6 kA breaking capacity for reliable circuit protection.
£51.14
Why Choose the ABB S201-B40NA Miniature Circuit Breaker?
The ABB S201-B40NA is a premium miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series, designed to provide reliable overload and short circuit protection for residential, commercial and industrial electrical installations. Featuring a B characteristic tripping curve, it is ideal for protecting circuits with low inrush currents such as lighting, socket outlets and general electrical distribution.
Engineered to ABB's renowned quality standards, the S201-B40NA incorporates both thermal overload and magnetic short circuit protection to ensure dependable operation and excellent current limiting performance. Its compact modular design enables quick installation while providing long service life in demanding environments.
With a 40 A rated current, 1P+N configuration and a 6 kA breaking capacity, this DIN rail mounted circuit breaker offers dependable protection for a wide range of electrical systems and distribution boards.
Key Advantages
- High quality ABB System pro M Compact S200 miniature circuit breaker.
- 40 A rated current for higher load applications.
- B curve tripping characteristic for standard electrical circuits.
- 1P+N configuration providing phase and neutral switching.
- 6 kA breaking capacity for reliable fault protection.
- Compact DIN rail mounted design for simple installation.
Key Features
- ABB S201-B40NA miniature circuit breaker.
- System pro M Compact S200 series.
- 40 A rated current.
- B characteristic tripping curve.
- 1P+N pole configuration.
- 6 kA breaking capacity.
- Thermal overload and magnetic short circuit protection.
- DIN rail mounting with screw terminals.
Reliable Circuit Protection for Standard Electrical Loads
The ABB S201-B40NA automatically disconnects circuits when overloads or short circuits occur, helping protect electrical equipment and wiring from damage. Its B characteristic trip curve is designed for circuits with low inrush currents, making it ideal for standard building services and general electrical installations.
The compact modular construction allows fast installation on standard DIN rails and compatibility with ABB's range of accessories, making it a preferred choice for electricians, panel builders and maintenance engineers.
Typical Applications
- Residential consumer units.
- Commercial electrical distribution boards.
- Lighting circuits.
- Socket outlet circuits.
- Control panels.
- General purpose electrical installations.
Technical Specifications
Tick the specs you need, then view products that match.
| Certification | UL 1077 | |
|---|---|---|
| Current | 40 A | |
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 6 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200 | |
| Model | S201-B40NA | |
| Product ID | 2CDS251103R0405 | |
| Product type | Miniature Circuit Breaker (MCB) | |
| Rated current | 40 A | |
| Tripping characteristic | B | |
| Number of poles | 1P+N | |
| Rated AC voltage | 230 / 400 V AC | |
| Rated DC voltage | 12 V DC | |
| Breaking capacity | 6 kA | |
| Frequency | 50 / 60 Hz | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 35 × 69 mm | |
| Weight | approx. 0.23 kg | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL1077 | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201-B40NA used for?
The S201-B40NA provides overload and short circuit protection for electrical circuits in residential, commercial and industrial installations.
What is the rated current of this circuit breaker?
This miniature circuit breaker has a 40 A rated current.
What does the B characteristic tripping curve mean?
The B curve is intended for circuits with low inrush currents such as lighting, socket outlets and general electrical distribution.
How is the S201-B40NA installed?
The breaker is designed for secure DIN rail mounting inside electrical distribution boards and control panels.
Which standards does the S201-B40NA comply with?
The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL1077 standards.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by electricians, contractors and industrial engineers worldwide for dependable protection, high build quality and reliable long term performance.
