Why Choose the ABB S203-D25 Miniature Circuit Breaker?
The ABB S203-D25 is a robust three-pole miniature circuit breaker (MCB) from the proven ABB System pro M Compact S200 series. With a 25 A current rating and a D tripping characteristic, it is specifically designed to protect circuits supplying equipment with high inrush currents, including motors, transformers and inductive industrial loads. It delivers dependable overload and short circuit protection for commercial and industrial electrical installations.
Built to ABB's renowned quality standards, the S203-D25 combines thermal overload protection with fast electromagnetic short circuit protection. Its compact DIN rail mounted design enables straightforward installation within distribution boards, switchgear and industrial control panels while providing long-term operational reliability.
Complying with recognised international standards, the ABB S203-D25 is an excellent choice for OEM machine builders, electrical contractors and industrial automation engineers requiring reliable protection for demanding electrical circuits.
Key Advantages
- Three-pole miniature circuit breaker for three-phase circuit protection.
- 25 A rated current suitable for industrial power distribution.
- D tripping characteristic ideal for high inrush current loads.
- Protects against overloads and short circuits.
- Compact DIN rail mounting for fast installation.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- Model: S203-D25.
- 25 A rated current.
- Three protected poles (3P).
- D curve tripping characteristic.
- Thermal and electromagnetic trip mechanisms.
- 6 kA breaking capacity to IEC/EN 60898-1.
- DIN rail mounting for electrical panels.
Reliable Protection for High Inrush Current Loads
The ABB S203-D25 is designed to safely disconnect electrical circuits during overloads and short circuits while accommodating the temporary high starting currents produced by motors, transformers and similar inductive equipment. Its D characteristic reduces nuisance tripping without compromising circuit protection.
As part of ABB's System pro M Compact range, the S203-D25 offers proven performance, excellent reliability and compatibility with a comprehensive range of auxiliary contacts, shunt trips and modular accessories for complete control panel solutions.
Typical Applications
- Motor protection circuits.
- Industrial machinery.
- Transformer protection.
- Manufacturing and processing equipment.
- OEM control panels.
- Commercial and industrial electrical distribution.
