Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S204-K50 MCB – 4P – K Curve – 50A – 6/10kA
ABB S204-K50 miniature circuit breaker, a 50 A four pole AC circuit protection device with K tripping characteristic for industrial and commercial electrical systems.
£135.63
Why Choose the ABB S204-K50 Miniature Circuit Breaker?
The ABB S204-K50 is a robust 4-pole miniature circuit breaker (MCB) designed for reliable overcurrent protection in industrial, commercial and electrical distribution applications. As part of the established ABB System pro M compact S200 series, it provides dependable circuit protection with a K tripping characteristic for systems where higher inrush currents may occur.
This circuit breaker combines ABB’s proven protection technology with a compact modular design, enabling simple DIN-rail installation and reliable operation in distribution boards, control panels and industrial electrical assemblies. The S200 series is engineered for professional applications requiring efficient installation and consistent protection performance.
With a 50 A rated current, 4-pole configuration and 6/10 kA rated breaking capacity, the ABB S204-K50 provides dependable AC circuit protection for electrical systems requiring reliable fault interruption and enhanced switching performance.
Key Advantages
- 4-pole miniature circuit breaker for multi-phase AC circuit protection.
- 50 A rated current suitable for higher-load electrical applications.
- K tripping characteristic designed for circuits with increased inrush currents.
- 6/10 kA rated breaking capacity for reliable fault protection.
- Compact DIN-rail mounting design for straightforward installation.
- Part of the trusted ABB System pro M compact S200 series.
Key Features
- ABB System pro M compact S200 series.
- 4-pole miniature circuit breaker design.
- 50 A rated operational current.
- K tripping characteristic.
- 6/10 kA rated breaking capacity.
- AC supply compatibility.
- DIN-rail mounting for electrical distribution systems.
- Compact modular construction for control cabinets and distribution boards.
Reliable Circuit Protection for Industrial Electrical Systems
Miniature circuit breakers such as the ABB S204-K50 provide essential protection by automatically disconnecting electrical circuits during overload or short-circuit conditions. This helps protect wiring, connected equipment and electrical infrastructure from damage.
The ABB System pro M compact S200 series delivers dependable circuit protection through modular construction, easy installation and reliable operation in modern electrical distribution and automation environments.
Typical Applications
- Industrial control panels and electrical cabinets.
- Commercial electrical distribution systems.
- Automation and machinery protection circuits.
- Motor and equipment feeder protection.
- Building electrical installations.
- OEM control systems and industrial infrastructure.
Technical Specifications
Tick the specs you need, then view products that match.
| Current | 50 A | |
|---|---|---|
| Poles | 4-pole | |
| Phase | Three Phase | |
| Device Type | MCB | |
| Trip Curve | K curve | |
| Breaking Capacity | 6 kA | |
| Mounting type | DIN-rail mounting | |
| Rated current | 50 A | |
| Number of poles | 4-pole | |
| Tripping characteristic | K | |
| Supply type | AC | |
| Product type | Miniature circuit breaker (MCB) | |
| Manufacturer | ABB | |
| Series | System pro M compact S200 | |
| Model | S204-K50 | |
| Order code | 2CDS254001R0577 | |
| Rated breaking capacity | 6/10 kA | |
| Supply | AC |
Frequently Asked Questions
What is the ABB S204-K50 used for?
The ABB S204-K50 is a miniature circuit breaker designed to provide overcurrent protection for AC electrical circuits in industrial, commercial and distribution applications.
What is the rated current of this circuit breaker?
The ABB S204-K50 has a rated current of 50 A.
How many poles does the ABB S204-K50 have?
The S204-K50 is a 4-pole miniature circuit breaker.
What tripping characteristic does this MCB use?
The ABB S204-K50 uses a K tripping characteristic, suitable for applications with higher inrush currents.
How is the ABB S204-K50 installed?
The circuit breaker is designed for DIN-rail mounting in electrical distribution boards and control cabinets.
Trusted by Electrical Engineers Worldwide
ABB System pro M compact S200 miniature circuit breakers are widely used by electrical engineers and system integrators to provide reliable circuit protection, efficient installation and dependable operation in modern electrical systems.
