ABB S203-K16 three-pole 16 A K curve miniature circuit breaker from the System pro M Compact S200 range, providing overload and short circuit protection for industrial and commercial electrical installations.
£111.61
The ABB S203-K16 is a high performance three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable protection against overloads and short circuits, it is suitable for commercial, industrial and OEM electrical installations where reliable circuit protection is essential.
Featuring a K tripping characteristic, the S203-K16 is ideal for circuits with higher inrush currents, including motors, transformers and inductive loads. Its advanced thermal and magnetic trip mechanisms ensure rapid fault clearance while reducing nuisance tripping during normal operation.
With a 16 A rated current, three protected poles and a 6 kA breaking capacity in accordance with IEC/EN 60898-1, this compact DIN rail mounted circuit breaker delivers long service life, straightforward installation and compatibility with ABB's range of auxiliary accessories.
The ABB S203-K16 protects electrical circuits by automatically disconnecting the supply during overload or short circuit conditions. Its K characteristic makes it particularly suitable for equipment with elevated starting currents, providing dependable protection without unnecessary interruptions during normal operation.
Manufactured to meet recognised international standards, the S203-K16 offers consistent performance, long mechanical life and compatibility with ABB auxiliary contacts and accessories, making it an excellent choice for modern control panels and distribution systems.
| Current | 16 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200 |
| Model | S203-K16 |
| Product ID | 2CDS253001R0467 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 16 A |
| Number of poles | 3P |
| Tripping characteristic | K |
| Rated operational voltage | Up to 440 V AC |
| Rated frequency | 50 / 60 Hz |
| Rated short circuit breaking capacity | 6 kA |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | 88 × 52.5 × 69 mm |
| Weight | Approx. 0.345 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The S203-K16 protects electrical circuits against overloads and short circuits in industrial, commercial and OEM applications.
The K curve is designed for circuits with higher inrush currents, making it suitable for motors, transformers and other inductive loads.
The ABB S203-K16 is a three-pole (3P) miniature circuit breaker.
This miniature circuit breaker has a 16 A rated current.
The breaker is designed for quick and secure installation onto a standard DIN rail inside electrical distribution boards and control panels.
ABB System pro M Compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for dependable circuit protection, outstanding reliability and long service life.
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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...