Why Choose the ABB S203M-K6 Miniature Circuit Breaker?
The ABB S203M-K6 is a premium 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for dependable overload and short circuit protection, it provides reliable performance in industrial, commercial and OEM electrical installations where circuits experience higher inrush currents.
Featuring a K tripping characteristic, the S203M-K6 is ideal for protecting transformers, motors, control circuits and other inductive loads. ABB's current limiting technology helps minimise fault energy, reducing stress on connected equipment while improving overall installation reliability.
With a 6 A rated current, 3-pole configuration and 10 kA breaking capacity, the ABB S203M-K6 delivers dependable protection for three-phase electrical systems. It complies with both IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for residential, commercial and industrial applications.
Key Advantages
- Reliable 3-pole miniature circuit breaker for professional installations.
- 6 A rated current with K tripping characteristic.
- Current limiting technology helps minimise fault energy.
- 10 kA breaking capacity for dependable short circuit protection.
- Suitable for motors, transformers and inductive loads.
- Compatible with ABB auxiliary contacts and modular accessories.
Key Features
- ABB System pro M compact S200M series.
- 3-pole (3P) miniature circuit breaker.
- 6 A rated current.
- K curve tripping characteristic.
- 10 kA rated breaking capacity.
- Thermal overload and magnetic short circuit protection.
- Current limiting class 3 performance.
- DIN rail mounting with contact position indication.
Reliable Circuit Protection for Industrial Installations
The ABB S203M-K6 combines thermal overload protection with rapid magnetic short circuit protection to safeguard electrical circuits and connected equipment. Its current limiting design reduces thermal and mechanical stress during fault conditions, improving overall system reliability.
The K curve characteristic is specifically intended for applications with elevated inrush currents, making this miniature circuit breaker ideal for motors, transformers, industrial control systems and machine building applications.
Typical Applications
- Industrial control panels.
- Machine building and OEM equipment.
- Transformer protection.
- Motor control circuits.
- Commercial electrical installations.
- Industrial power distribution systems.
