Why Choose the ABB S203M-D8 Miniature Circuit Breaker?
The ABB S203M-D8 is a premium 3-pole miniature circuit breaker (MCB) from ABB's proven System pro M compact S200M range. Featuring an 8 A rated current and a D characteristic tripping curve, it is specifically designed to protect circuits with high inrush currents, making it ideal for motors, transformers, power supplies and industrial equipment.
With a 10 kA breaking capacity, the S203M-D8 delivers dependable protection against overloads and short circuits in commercial and industrial installations. Its thermal-magnetic trip mechanism ensures fast fault clearance while maintaining excellent operational reliability and long service life.
Designed for quick DIN rail installation, the ABB S203M-D8 complies with IEC/EN 60898-1 and IEC/EN 60947-2, making it suitable for residential, commercial and industrial applications where dependable circuit protection is essential.
Key Advantages
- High-quality 3-pole miniature circuit breaker.
- 8 A rated current.
- D characteristic for high inrush current applications.
- 10 kA breaking capacity.
- Thermal overload and magnetic short-circuit protection.
- Suitable for industrial, commercial and OEM installations.
Key Features
- ABB S203M-D8 miniature circuit breaker.
- 3-pole configuration.
- 8 A rated current.
- D tripping characteristic.
- 10 kA short-circuit breaking capacity.
- DIN rail mounting.
- Thermal-magnetic trip mechanism.
- Positive contact position indication.
- Compatible with ABB System pro M compact accessories.
- Compact modular design.
Designed for High Inrush Current Applications
The ABB S203M-D8 is engineered for circuits that experience high starting currents. Its D characteristic allows temporary inrush currents without nuisance tripping while still providing rapid protection against overloads and short circuits, making it particularly suitable for motors, transformers and inductive loads.
Manufactured to ABB's exacting quality standards, the S203M-D8 combines reliable thermal-magnetic protection with robust construction, ensuring long-term performance in demanding industrial, commercial and OEM electrical installations.
Typical Applications
- Motor protection circuits.
- Industrial machinery.
- Transformer protection.
- Control panels.
- OEM electrical equipment.
- Commercial power distribution.