ABB S203M-Z6NA miniature circuit breaker from the System pro M compact S200M range featuring a 6 A rating, Z curve tripping characteristic, 3+NP configuration and up to 10 kA breaking capacity for sensitive low-current circuit protection.
£184.09
The ABB S203M-Z6NA is a precision miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection for sensitive electrical circuits. As part of the professional ABB System pro M compact S200M series, it delivers dependable current-limiting protection for control panels, distribution boards and industrial electrical systems.
This miniature circuit breaker features a Z curve tripping characteristic, making it suitable for circuits requiring fast magnetic tripping and sensitive fault protection. It is commonly used for control circuits, measuring equipment, electronic loads and applications where low fault currents must be disconnected quickly.
With a rated current of 6 A, a 3+NP pole configuration and a breaking capacity of up to 10 kA at 230 / 400 V AC, the S203M-Z6NA is ideal for three-phase low-current protection where neutral switching is required. Its compact DIN rail format enables straightforward installation inside modular electrical enclosures.
Miniature circuit breakers such as the ABB S203M-Z6NA automatically disconnect electrical circuits during overload or short-circuit conditions. This helps protect cables, control devices and connected equipment while supporting safe and compliant electrical installation design.
The ABB S200M range is engineered for professional applications requiring compact dimensions, dependable operation and high breaking capacity. The Z curve characteristic makes this model particularly suitable for sensitive electrical circuits where rapid short-circuit disconnection is important.
| Current | 6 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M compact S200M |
| Model | S203M-Z6NA |
| Product type | Miniature circuit breaker |
| Product ID | 2CDS273103R0378 |
| EAN | 4016779601535 |
| Rated current | 6 A |
| Tripping characteristic | Z curve |
| Pole configuration | 3+NP |
| Rated operational voltage | 230 / 400 V AC |
| Frequency | 50 / 60 Hz |
| Rated breaking capacity | up to 10 kA |
| Protection rating | IP20 |
| Mounting type | DIN rail mounting |
| Application | Residential, commercial and industrial circuit protection |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203M-Z6NA is used to protect low-current three-phase electrical circuits against overloads and short circuits, particularly where sensitive equipment requires fast fault disconnection.
This miniature circuit breaker has a rated current of 6 A.
A Z curve MCB provides fast magnetic tripping, making it suitable for sensitive circuits and equipment that require rapid short-circuit protection.
The S203M-Z6NA provides three protected phase poles together with a neutral pole, making it suitable for three-phase systems requiring neutral switching.
It is designed for DIN rail installation inside distribution boards, switchboards and electrical control panels.
ABB System pro M compact miniature circuit breakers are trusted by electricians, panel builders and industrial engineers for reliable circuit protection, compact installation and long-term performance in professional electrical systems.
● Service Agreements
Credit Accounts
Our service agreements are built to support long term procurement relationships. By working closely with engineering teams and procurement departments, we help streamline purchasing processes while ensuring consistent access to critical components and sourcing support when it matters most.
● frequently asked questions
At Led Controls Ltd we help engineers source the right automation and control gear with confidence. below are quick answers to what we are asked most often.
We supply all leading manfacturers in our industry. we offer next day delivery on most poplour products.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
Your content goes here. Edit or remove this text inline or in the module Content settings. You can also style every aspect of this content in the module Design settings and even apply custom CSS to this text in the module Advanced settings.
● latest blog
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...