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ABB S201M-B40NA MCB – S200M – 1P+N – B – 40A
ABB S201M-B40NA miniature circuit breaker, Product ID 2CDS271103R0405, a 40 A B curve 1P+N MCB from the System pro M compact S200M range for overload and short-circuit protection.
£32.22
Why Choose the ABB S201M-B40NA Miniature Circuit Breaker?
The ABB S201M-B40NA is a high-quality miniature circuit breaker (MCB) designed to provide dependable overload and short-circuit protection for low-voltage electrical installations. As part of the trusted ABB System pro M compact S200M series, it is engineered for residential, commercial and industrial applications where reliable circuit protection is essential.
Featuring a B tripping characteristic, the S201M-B40NA is suitable for circuits with relatively low inrush currents, including lighting, socket outlet and general-purpose distribution circuits. Its current-limiting design combines delayed thermal overload protection with electromechanical short-circuit protection to help safeguard wiring, switchgear and connected loads.
With a rated current of 40 A and a compact 1P+N configuration, this miniature circuit breaker is ideal for DIN rail mounted consumer units, distribution boards, control panels and OEM electrical assemblies requiring reliable ABB protection technology.
Key Advantages
- Reliable miniature circuit breaker for overload and short-circuit protection.
- 40 A rated current for low-voltage electrical circuits.
- B tripping characteristic suitable for general-purpose circuits with low inrush current.
- 1P+N configuration for compact phase and neutral protection.
- Current-limiting construction helps reduce fault energy.
- DIN rail mounting for fast and straightforward installation.
Key Features
- ABB System pro M compact S200M series.
- Model: S201M-B40NA.
- Product ID: 2CDS271103R0405.
- 40 A rated current.
- B tripping characteristic.
- 1P+N pole configuration.
- Thermal overload protection.
- Electromechanical short-circuit protection.
- DIN rail mounting for modular electrical assemblies.
Reliable Protection for General Electrical Circuits
The ABB S201M-B40NA automatically disconnects electrical circuits during overload and short-circuit conditions, helping protect cables, connected equipment and electrical installations from excessive current and fault damage.
Its B curve characteristic makes it suitable for circuits where low inrush currents are expected. Combined with ABB's compact modular design and System pro M compact accessory compatibility, it provides a dependable solution for modern distribution boards, consumer units and electrical panels.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Lighting and socket outlet circuits.
- General-purpose electrical installations.
- Industrial control panels.
- OEM electrical assemblies.
Technical Specifications
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| Current | 40 A | |
|---|---|---|
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200M | |
| Model | S201M-B40NA | |
| Product ID | 2CDS271103R0405 | |
| Product type | Miniature circuit breaker | |
| Rated current | 40 A | |
| Tripping characteristic | B | |
| Number of poles | 1P+N | |
| Rated operational voltage | 230 V AC | |
| Maximum operating voltage | 480Y / 277 V AC | |
| Rated DC voltage | 60 V DC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | up to 10 kA at 230 / 400 V AC | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Rated insulation voltage (Ui) | 440 V | |
| Rated impulse withstand voltage (Uimp) | 4 kV | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| EAN | 4016779549578 | |
| Dimensions (W × H × D) | approx. 35 × 88 × 69 mm | |
| Weight | approx. 0.23 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201M-B40NA used for?
The ABB S201M-B40NA is used to protect electrical circuits against overloads and short circuits in residential, commercial and industrial installations.
What current rating does this MCB have?
This miniature circuit breaker has a rated current of 40 A.
What does the B tripping characteristic mean?
A B characteristic MCB is designed for circuits with relatively low inrush currents, making it suitable for lighting, socket outlets and general-purpose electrical loads.
What pole configuration is the S201M-B40NA?
The S201M-B40NA has a 1P+N configuration, providing compact phase and neutral protection.
Where is this ABB MCB typically installed?
It is typically installed on a DIN rail inside consumer units, distribution boards, control panels and electrical enclosures.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for dependable protection across modern low-voltage electrical installations.
