ABB S203-Z16 three-pole 16 A Z curve miniature circuit breaker from the System pro M Compact S200 range for protecting sensitive electrical and electronic circuits against overloads and short circuits.
£135.81
The ABB S203-Z16 is a premium three-pole miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200 series. Designed to provide dependable protection against overloads and short circuits, it is ideal for industrial control systems, automation equipment and sensitive electronic circuits requiring fast fault protection.
Featuring a Z tripping characteristic, the S203-Z16 is specifically engineered for circuits with low inrush current tolerance, making it particularly suitable for protecting sensitive electronic equipment, measuring devices, PLC systems and semiconductor applications. Its precision thermal and magnetic tripping mechanisms deliver rapid disconnection during fault conditions while maintaining reliable everyday operation.
With a 16 A rated current, three protected poles and a 6 kA breaking capacity in accordance with IEC/EN 60898-1, the ABB S203-Z16 provides compact, reliable circuit protection for modern commercial and industrial electrical installations.
The ABB S203-Z16 automatically disconnects electrical circuits when overload or short circuit conditions occur, helping to minimise equipment damage and downtime. Its Z characteristic provides rapid magnetic tripping, making it particularly suitable for protecting sensitive electronic components that require fast fault clearance.
Manufactured to ABB's high quality standards, the S203-Z16 delivers dependable long-term performance, excellent electrical endurance and straightforward integration into new or existing electrical installations.
| Current | 16 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200 |
| Model | S203-Z16 |
| Manufacturer Part Number | 2CDS253001R0468 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 16 A |
| Number of poles | 3P |
| Tripping characteristic | Z |
| Rated operational voltage | Up to 440 V AC |
| Frequency | 50 / 60 Hz |
| Rated short circuit breaking capacity | 6 kA (IEC/EN 60898-1) |
| 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 ABB S203-Z16 protects three-phase electrical circuits against overloads and short circuits, particularly where sensitive electronic equipment requires rapid fault protection.
The Z characteristic provides a fast magnetic trip, making it suitable for protecting sensitive electronic devices, PLCs and semiconductor equipment.
The S203-Z16 is a three-pole (3P) miniature circuit breaker.
This miniature circuit breaker has a 16 A rated current.
The S203-Z16 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 panel builders, OEMs and electrical engineers for dependable circuit protection, consistent quality and long operational 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...