ABB S203-K32 three-pole 32 A K curve miniature circuit breaker from the System pro M Compact S200 range for overload and short circuit protection in industrial and commercial electrical installations.
£127.94
The ABB S203-K32 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide reliable protection against overloads and short circuits, it is ideally suited for industrial machinery, motor control circuits and commercial electrical installations where higher inrush currents are present.
Featuring a K tripping characteristic, the S203-K32 is specifically engineered for applications involving motors, transformers, solenoids and other inductive loads. Its advanced thermal and electromechanical trip mechanisms provide dependable overload and short circuit protection while reducing nuisance tripping during equipment start-up.
With a 32 A rated current, three protected poles and a 6 kA breaking capacity, the ABB S203-K32 delivers dependable circuit protection, compact DIN rail installation and compatibility with ABB's extensive range of System pro M Compact accessories.
The ABB S203-K32 automatically disconnects electrical circuits during overload and short circuit conditions, helping to protect valuable equipment, reduce downtime and improve electrical safety. Its K characteristic makes it particularly suitable for applications with elevated starting currents.
Manufactured in accordance with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 standards, the S203-K32 delivers long mechanical life, excellent electrical endurance and dependable performance in demanding industrial and commercial installations.
| Current | 32 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200 |
| Model | S203-K32 |
| Manufacturer Part Number | 2CDS253001R0537 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 32 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. 0.36 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203-K32 protects three-phase electrical circuits against overloads and short circuits, particularly where motors and other inductive loads are installed.
The K characteristic is designed for circuits with higher inrush currents, making it ideal for motors, transformers and similar inductive equipment.
The ABB S203-K32 is a three-pole (3P) miniature circuit breaker.
This miniature circuit breaker has a 32 A rated current.
The breaker is designed for secure installation onto a standard DIN rail inside electrical distribution boards and industrial control panels.
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical contractors, panel builders and OEM manufacturers 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...