ABB S203M-D8 three-pole miniature circuit breaker with 8 A rated current, D characteristic tripping curve, 10 kA breaking capacity and DIN rail mounting.
£82.11
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.
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.
| Current | 8 A |
|---|---|
| Phase | Three Phase |
| Manufacturer | ABB |
| Series | System pro M compact S200M |
| Model | S203M-D8 |
| Catalogue Number | 2CDS273001R0081 |
| Product type | Miniature Circuit Breaker (MCB) |
| Number of poles | 3 |
| Rated current | 8 A |
| Trip characteristic | D Curve |
| Rated operational voltage | 230/400 V AC |
| Maximum insulation voltage | 440 V AC |
| Breaking capacity | 10 kA |
| Frequency | 50/60 Hz |
| Mounting type | DIN rail |
| Module width | 3 modules |
| Terminal type | Twin terminals with captive screws |
| Protection rating | IP20 |
| Dimensions (H × W × D) | 52.5 × 85 × 69 mm |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 |
| EAN | 4016779600989 |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203M-D8 is a three-pole 8 A miniature circuit breaker with a D characteristic designed for protecting circuits with high inrush currents.
D curve MCBs are designed for motors, transformers and other inductive loads that generate high starting currents during normal operation.
The S203M-D8 provides a 10 kA short-circuit breaking capacity.
The ABB S203M-D8 is a 3-pole miniature circuit breaker.
It complies with IEC/EN 60898-1 and IEC/EN 60947-2.
ABB System pro M compact miniature circuit breakers are trusted worldwide for delivering dependable overload and short-circuit protection across residential, commercial and industrial electrical installations.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...