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.
£204.42
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.
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.
| Current | 1 A |
|---|---|
| Phase | Single Phase |
| 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 |
It provides overload and short circuit protection for three-phase low voltage electrical circuits in commercial and industrial installations.
The S203M-C1NA has a 1 A rated current.
It features a C curve, making it suitable for circuits with moderate inrush currents.
The device is designed for quick installation onto a standard DIN rail within distribution boards and control panels.
Yes. The S200M range supports ABB auxiliary contacts and additional accessories for expanded functionality.
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.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...