Why Choose the ABB S203-K30 Miniature Circuit Breaker?
The ABB S203-K30 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable protection against overloads and short circuits, it is ideally suited to commercial, industrial and OEM electrical installations where circuits with elevated inrush currents require reliable protection.
Featuring a K tripping characteristic, the S203-K30 is specifically developed for applications involving motors, transformers, solenoids and other inductive loads. Its precision thermal and electromagnetic trip mechanisms provide excellent overload protection while allowing higher starting currents without unnecessary tripping.
With a 30 A rated current, three protected poles and a 6 kA breaking capacity, the ABB S203-K30 delivers dependable circuit protection, compact DIN rail installation and full compatibility with ABB's extensive range of System pro M Compact accessories.
Key Advantages
- Premium three-pole miniature circuit breaker.
- 30 A rated current with K tripping characteristic.
- Designed for motors, transformers and inductive loads.
- 6 kA breaking capacity for dependable fault protection.
- Thermal overload and magnetic short circuit protection.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- 30 A rated current.
- K tripping characteristic.
- Three-pole (3P) configuration.
- 6 kA rated short circuit breaking capacity.
- Current limiting design.
- DIN rail mounting.
- Failsafe bi-directional cylinder-lift screw terminals.
Reliable Protection for High Inrush Current Circuits
The ABB S203-K30 automatically disconnects electrical circuits during overload and short circuit conditions, helping to protect valuable equipment, minimise downtime and improve electrical safety. Its K characteristic makes it particularly suitable for applications where temporary high starting currents are expected.
Manufactured in accordance with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077 standards, the S203-K30 provides dependable long-term performance, excellent electrical endurance and straightforward installation in distribution boards and industrial control panels.
Typical Applications
- Motor control circuits.
- Industrial machinery.
- Transformers.
- Automation control panels.
- Commercial and industrial distribution boards.
- OEM electrical equipment.
