Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
ABB S203M-D3 MCB – S200M – 3P – D – 3A
ABB S203M-D3 miniature circuit breaker from the S200M series featuring a 3 A rated current, D tripping characteristic, 3-pole configuration and 10 kA breaking capacity for commercial and industrial circuit protection.
£49.18
Why Choose the ABB S203M-D3 Miniature Circuit Breaker?
The ABB S203M-D3 is a compact and dependable miniature circuit breaker (MCB) designed to provide reliable overload and short-circuit protection in residential, commercial and industrial electrical installations. Part of the ABB System pro M compact S200M series, it offers high breaking capacity, current limiting performance and professional DIN rail installation.
With a 3 A rated current and D tripping characteristic, the S203M-D3 is suitable for circuits with high inrush currents, including transformers, solenoids, control circuits and specialist industrial equipment. Its 3-pole configuration provides coordinated protection across three-phase circuits.
The ABB S203M-D3 combines a robust modular housing, secure screw terminals and a high 10 kA breaking capacity. This makes it a reliable choice for control panels, distribution boards and machinery installations where dependable protection and compact installation are required.
Key Advantages
- Reliable miniature circuit breaker for three-phase circuit protection.
- 3 A rated current for low-current circuits.
- D characteristic suitable for high inrush current applications.
- 3-pole configuration for coordinated three-phase protection.
- 10 kA short-circuit breaking capacity for dependable fault protection.
- Compact DIN rail mounted design for professional electrical installations.
Key Features
- ABB S200M miniature circuit breaker series.
- 3 A rated current.
- D tripping characteristic.
- 3-pole configuration.
- 10 kA rated short-circuit breaking capacity.
- Thermal magnetic trip mechanism for overload and short-circuit protection.
- Compatible with ABB System pro M compact accessories.
- Compact modular housing with secure screw terminals.
Reliable Protection for High Inrush Three-Phase Circuits
Miniature circuit breakers such as the ABB S203M-D3 automatically disconnect electrical circuits when overload or short-circuit conditions occur. This helps protect cables, connected equipment and electrical installations from damage while supporting safer operation.
The D characteristic is designed for circuits with high starting currents, making the S203M-D3 suitable for transformers, solenoids, power supplies and other inductive equipment where short-duration inrush current is expected.
Typical Applications
- Three-phase control circuits.
- Transformer and solenoid circuits.
- Industrial control panels.
- Machinery and automation equipment.
- Commercial and industrial distribution boards.
- Electrical systems requiring 3-pole high inrush circuit protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 3 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200M | |
| Model | S203M-D3 | |
| Manufacturer part number | 2CDS273001R0031 | |
| EAN | 4016779600934 | |
| Product type | Miniature circuit breaker | |
| Rated current | 3 A | |
| Tripping characteristic | D | |
| Number of poles | 3P | |
| Rated operational voltage | 400 / 440 V AC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short-circuit breaking capacity | 10 kA | |
| Rated ultimate short-circuit breaking capacity | 15 kA at 400 V AC | |
| Rated insulation voltage | 440 V | |
| Rated impulse withstand voltage | 4 kV | |
| Current limiting class | 3 | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail TH35 | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.38 kg |
Frequently Asked Questions
What is the ABB S203M-D3 used for?
The ABB S203M-D3 is used to protect three-phase electrical circuits against overloads and short circuits, particularly in applications with high inrush currents.
What is the rated current of the S203M-D3?
This miniature circuit breaker has a rated current of 3 A.
What does D characteristic mean?
A D characteristic MCB is designed for circuits with high inrush currents, making it suitable for transformers, solenoids and inductive electrical loads.
What pole configuration does this MCB have?
The ABB S203M-D3 has a 3-pole configuration, providing protection for three-phase electrical circuits.
How is the ABB S203M-D3 installed?
The breaker is designed for standard DIN rail mounting inside distribution boards, switchboards and electrical control panels.
Trusted by Electrical Engineers Worldwide
ABB S200M miniature circuit breakers are widely specified by electrical contractors, panel builders and industrial engineers for dependable circuit protection in professional electrical installations.
