Why Choose the ABB S203-K13 Miniature Circuit Breaker?
The ABB S203-K13 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Featuring a 13 A current rating and a K tripping characteristic, it is specifically designed to provide reliable protection for motor control circuits, transformers, contactors and other inductive loads with elevated starting currents. It delivers dependable overload and short circuit protection across commercial, industrial and OEM electrical installations.
Manufactured to ABB's renowned engineering standards, the S203-K13 combines thermal overload protection with fast electromagnetic short circuit protection. Its compact DIN rail mounted design enables quick installation within switchboards, distribution boards and industrial control panels while providing outstanding long-term reliability.
Designed in accordance with IEC/EN 60898-1, IEC/EN 60947-2 and UL 1077, the ABB S203-K13 is widely specified by machine builders, electrical contractors and panel manufacturers requiring dependable protection for motor control and industrial automation systems.
Key Advantages
- Three-pole miniature circuit breaker for three-phase electrical systems.
- 13 A rated current suitable for motor control and industrial applications.
- K tripping characteristic designed for inductive loads with high starting currents.
- Reliable overload and short circuit protection.
- Compact DIN rail mounting for straightforward installation.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- Model: S203-K13.
- 13 A rated current.
- Three protected poles (3P).
- K curve tripping characteristic.
- Thermal and electromagnetic trip mechanisms.
- 6 kA breaking capacity at 230/400 V AC.
- DIN rail mounting for switchboards and control panels.
Reliable Protection for Motor Control Applications
The ABB S203-K13 is engineered to disconnect electrical circuits safely during overloads and short circuits while allowing the temporary high starting currents associated with motors, transformers and other inductive equipment. Its K characteristic helps minimise nuisance tripping during equipment start-up while maintaining dependable protection.
As part of ABB's proven System pro M Compact range, the S203-K13 offers excellent reliability, straightforward installation and compatibility with a comprehensive range of auxiliary contacts, shunt trips and signalling accessories for complete electrical distribution solutions.
Typical Applications
- Motor control circuits.
- Industrial machinery.
- Transformer protection.
- Industrial control panels.
- OEM equipment.
- Commercial and industrial electrical distribution.
