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ABB S201M-K1.6NA MCB – 1P+N – B Curve – 1.6A – 10kA
ABB S201M-B25NA 25 A Type B 1P+N miniature circuit breaker for overload and short-circuit protection in low-voltage electrical installations.
£40.60
Why Choose the ABB S201M-B25NA Miniature Circuit Breaker?
The ABB S201M-B25NA is a high-quality miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection for low-voltage electrical installations. As part of the proven ABB System pro M compact S200M series, it delivers dependable protection for residential, commercial and industrial applications.
Engineered with ABB's current-limiting technology, the S201M-B25NA combines thermal and electromagnetic tripping mechanisms to safeguard electrical circuits while helping minimise damage caused by fault currents. Its compact modular construction allows quick DIN rail installation and compatibility with ABB System pro M compact accessories.
Featuring a 25 A rated current, Type B tripping characteristic and 1P+N configuration, this circuit breaker is well suited to lighting, socket outlet and general-purpose distribution circuits where low inrush current protection is required.
Key Advantages
- Reliable miniature circuit breaker for overload and short-circuit protection.
- 25 A rated current for low-voltage electrical installations.
- Type B tripping characteristic for general-purpose circuits.
- 1P+N pole configuration in a compact modular design.
- Current-limiting construction reduces fault energy.
- DIN rail mounting for rapid installation.
Key Features
- ABB System pro M compact S200M series.
- Product ID: 2CDS271103R0257.
- 25 A rated current.
- Type B tripping characteristic.
- 1P+N configuration.
- Thermal overload protection.
- Electromagnetic short-circuit protection.
- DIN rail mounting.
- Complies with IEC/EN 60898-1 and IEC/EN 60947-2.
Reliable Protection for Electrical Installations
The ABB S201M-B25NA automatically disconnects electrical circuits when overloads or short circuits occur, helping protect cables, switchgear and connected equipment while improving installation safety.
Its compact construction, dependable tripping performance and compatibility with ABB modular accessories make it suitable for new installations, panel building projects and maintenance work across a wide range of electrical systems.
Typical Applications
- Residential consumer units.
- Commercial distribution boards.
- Industrial control panels.
- Machine electrical systems.
- Lighting and socket circuits.
- OEM electrical assemblies.
Technical Specifications
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| Certification | UL 1077 | |
|---|---|---|
| Trip Curve | K curve | |
| Current | 1.6 A | |
| Phase | Single Phase | |
| Poles | 1-pole + N | |
| Device Type | MCB | |
| Breaking Capacity | 10 kA | |
| Model | S201M-K1.6NA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200M | |
| Product ID | 2CDS271103R0257 | |
| Product type | Miniature circuit breaker | |
| Rated current | 25 A | |
| Tripping characteristic | Type B | |
| Number of poles | 1P+N | |
| Rated voltage | 230 / 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Breaking capacity | Up to 10 kA | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| Dimensions (W × H × D) | approx. 35 × 88 × 69 mm | |
| Weight | approx. 0.22 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S201M-B25NA used for?
It protects electrical circuits against overloads and short circuits in residential, commercial and industrial installations.
What is the current rating?
This miniature circuit breaker has a rated current of 25 A.
What does the Type B characteristic mean?
Type B circuit breakers are intended for circuits with relatively low inrush currents, such as lighting and general-purpose power circuits.
How is the breaker installed?
The S201M-B25NA is designed for standard DIN rail mounting inside electrical enclosures and distribution boards.
Which standards does it comply with?
It complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for reliable low-voltage circuit protection.
