ABB S203-Z10 three-pole miniature circuit breaker with a 10 A current rating and Z tripping characteristic for protecting sensitive industrial and electronic circuits.
£145.89
The ABB S203-Z10 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Featuring a 10 A current rating and a Z tripping characteristic, it is specifically engineered to protect highly sensitive electrical and electronic circuits that require exceptionally fast magnetic tripping. It delivers dependable overload and short circuit protection for industrial automation, instrumentation, PLC systems, control panels and OEM machinery.
Manufactured to ABB's renowned engineering standards, the S203-Z10 combines thermal overload protection with rapid electromagnetic short circuit protection. Its compact DIN rail mounted design enables straightforward installation within distribution boards, switchgear and industrial control panels while providing dependable long-term performance.
Complying with internationally recognised standards including IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077, the ABB S203-Z10 is widely specified by panel builders, machine manufacturers and automation engineers requiring reliable protection for sensitive low inrush current circuits.
The ABB S203-Z10 is designed to disconnect electrical circuits rapidly during overloads and short circuits. Its Z characteristic provides exceptionally fast magnetic tripping, making it ideal for PLC systems, instrumentation, electronic control equipment and other sensitive circuits where rapid fault clearance is essential.
As part of ABB's proven System pro M Compact range, the S203-Z10 delivers dependable performance, straightforward installation and compatibility with a comprehensive range of auxiliary contacts, shunt trips and signalling accessories for complete industrial electrical solutions.
| Current | 10 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200 |
| Model | S203-Z10 |
| Product ID | 2CDS253001R0428 |
| Product type | Miniature circuit breaker (MCB) |
| Rated current | 10 A |
| Number of poles | 3 |
| Tripping characteristic | Z |
| Rated operational voltage | 230/400 V AC |
| Maximum operational voltage | 440 V AC |
| Frequency | 50 / 60 Hz |
| Breaking capacity | 6 kA |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 |
| Dimensions (H × W × D) | Approx. 88 × 52.5 × 69 mm |
| Weight | Approx. 0.34 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203-Z10 protects sensitive three-phase electrical circuits against overloads and short circuits in industrial automation and commercial installations.
The Z curve provides very fast magnetic tripping, making it ideal for protecting sensitive electronic equipment and low inrush current circuits.
This model is a three-pole (3P) miniature circuit breaker designed for three-phase electrical systems.
The ABB S203-Z10 clips directly onto a standard DIN rail within switchboards, distribution boards and industrial control panels.
The circuit breaker complies with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 standards for dependable overcurrent protection.
ABB System pro M Compact miniature circuit breakers are trusted worldwide by electrical engineers, machine builders and panel manufacturers for dependable protection of sensitive commercial and industrial electrical systems.
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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...