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ABB S203M-C1NA MCB – 3P+N – C Curve – 1A – 10kA
ABB S203M-C1NA miniature circuit breaker with 3+N configuration, 1 A rated current, C curve tripping characteristic and 10 kA breaking capacity for industrial and commercial electrical protection.
£112.43
Why Choose the ABB S203M-C1NA Miniature Circuit Breaker?
The ABB S203M-C1NA (Part Number: 2CDS273103R0014) is a high-performance 3+N miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200M range. Designed to provide dependable overload and short circuit protection, it is suitable for demanding commercial, industrial and OEM electrical installations.
Featuring a C characteristic trip curve, 1 A rated current and a 10 kA breaking capacity, this MCB offers reliable protection for circuits with moderate inrush currents. Its advanced thermal and electromechanical tripping mechanisms help safeguard electrical systems while ensuring long-term operational reliability.
Manufactured to comply with IEC/EN 60898-1 and IEC/EN 60947-2, the S203M-C1NA is suitable for installation on standard DIN rails within distribution boards and control panels. Its compact modular construction and compatibility with ABB accessories make it an excellent choice for modern electrical installations.
Key Advantages
- Reliable 3+N miniature circuit breaker for commercial and industrial applications.
- 1 A rated current with C curve tripping characteristics.
- 10 kA breaking capacity for dependable circuit protection.
- Thermal overload and electromechanical short circuit protection.
- DIN rail mounting for fast installation.
- Compatible with ABB auxiliary contacts and accessories.
Key Features
- ABB System pro M Compact S200M series.
- Product code: 2CDS273103R0014.
- Model: S203M-C1NA.
- Rated current: 1 A.
- Trip characteristic: C.
- Configuration: 3 protected poles + switched neutral.
- Rated operational voltage: up to 400 V AC.
- Breaking capacity: 10 kA.
- DIN rail mounting.
- IP20 protection (IP40 when installed within an enclosure).
Reliable Protection for Electrical Installations
The ABB S200M range provides dependable protection against overloads and short circuits, helping maintain electrical safety and minimise equipment damage. Current limiting technology reduces fault energy, improving the protection of downstream equipment.
Designed for professional electrical installations, the S203M-C1NA combines compact dimensions, high breaking capacity and proven ABB quality, making it suitable for switchboards, distribution panels, machinery and industrial control systems.
Typical Applications
- Industrial control panels.
- Commercial electrical distribution boards.
- OEM machinery.
- Manufacturing facilities.
- Building services installations.
- General low voltage circuit protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 1 A | |
| Poles | 3-pole + N | |
| Device Type | MCB | |
| Trip Curve | C curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M Compact S200M | |
| Model | S203M-C1NA | |
| Product code | 2CDS273103R0014 | |
| Product type | Miniature circuit breaker (MCB) | |
| Rated current | 1 A | |
| Trip characteristic | C Curve | |
| Number of poles | 3+N | |
| Protected poles | 3 | |
| Rated operational voltage | Up to 400 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Breaking capacity | 10 kA | |
| Protection rating | IP20 (IP40 in enclosure) | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 70 × 69 mm | |
| Weight | approx. 0.44 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-C1NA used for?
It provides overload and short circuit protection for three-phase low voltage electrical circuits in commercial and industrial installations.
What is the rated current of this miniature circuit breaker?
The S203M-C1NA has a 1 A rated current.
What trip characteristic does this MCB have?
It features a C curve, making it suitable for circuits with moderate inrush currents.
How is the breaker mounted?
The device is designed for quick installation onto a standard DIN rail within distribution boards and control panels.
Is it compatible with ABB accessories?
Yes. The S200M range supports ABB auxiliary contacts and additional accessories for expanded functionality.
Trusted by Electrical Professionals Worldwide
ABB System pro M Compact miniature circuit breakers are trusted by panel builders, OEM manufacturers and electrical contractors for delivering reliable protection, high quality and long service life across commercial and industrial installations.
