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2CDS273001R0081 ABB S203M-D8 Miniature Circuit Breaker 3 Pole 8A Type K 10kA
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.
£45.16
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.
Technical Specifications
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| Current | 8 A | |
|---|---|---|
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| 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 |
Frequently Asked Questions
What is the ABB S203M-D8?
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.
What is a D curve circuit breaker used for?
D curve MCBs are designed for motors, transformers and other inductive loads that generate high starting currents during normal operation.
What is the breaking capacity of the ABB S203M-D8?
The S203M-D8 provides a 10 kA short-circuit breaking capacity.
How many poles does this circuit breaker have?
The ABB S203M-D8 is a 3-pole miniature circuit breaker.
Which standards does the ABB S203M-D8 comply with?
It complies with IEC/EN 60898-1 and IEC/EN 60947-2.
Trusted Circuit Protection from ABB
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.
