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-D63 MCB – S200M – 3P – D – 63A
ABB S203M-D63 3-pole 63A D curve miniature circuit breaker from the System pro M compact S200M series, designed for overload and short-circuit protection in commercial, industrial and high inrush three-phase electrical installations.
£68.18
Why Choose the ABB S203M-D63 Miniature Circuit Breaker?
The ABB S203M-D63 is a high quality 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for reliable protection against overloads and short circuits, it is suitable for demanding commercial, industrial and three-phase electrical distribution applications.
This miniature circuit breaker features a D tripping characteristic, making it ideal for circuits with high inrush currents such as motors, transformers, welding equipment and inductive loads. Its current limiting design helps reduce fault energy, supporting safer operation and helping protect downstream cables and connected equipment.
With a rated current of 63 A, 3-pole configuration and 10 kA short-circuit breaking capacity, the ABB S203M-D63 provides robust protection in a compact DIN rail mounted format. It is compatible with ABB System pro M accessories, allowing flexible installation within distribution boards, switchgear and industrial control panels.
Key Advantages
- Reliable 3-pole miniature circuit breaker for three-phase circuit protection.
- 63 A rated current for higher load electrical circuits.
- D curve tripping characteristic for high inrush current applications.
- 10 kA short-circuit breaking capacity for demanding installations.
- Thermal overload and electromechanical short-circuit protection.
- DIN rail mounting for fast installation in distribution boards and panels.
Key Features
- ABB System pro M compact S200M series.
- 3-pole miniature circuit breaker.
- 63 A rated current.
- D tripping characteristic.
- 10 kA rated breaking capacity.
- Current limiting design for improved fault protection.
- Delayed thermal tripping mechanism for overload protection.
- Electromechanical tripping mechanism for short-circuit protection.
Reliable Circuit Protection for High Inrush Loads
Miniature circuit breakers such as the ABB S203M-D63 automatically disconnect electrical circuits when overload or short-circuit conditions occur. This helps protect cables, equipment and electrical systems from damage while improving safety across commercial and industrial installations.
The D curve characteristic is particularly suited to electrical loads that experience high starting currents. This makes the S203M-D63 a strong choice for motor feeders, transformer circuits and industrial equipment where nuisance tripping must be minimised while maintaining dependable protection.
Typical Applications
- Industrial distribution boards.
- Three-phase motor circuits.
- Transformer feeder circuits.
- Industrial control panels.
- Machinery and automation systems.
- Commercial and industrial power distribution.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 63 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | D curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | System pro M compact S200M | |
| Model | S203M-D63 | |
| Product type | Miniature circuit breaker (MCB) | |
| Product ID | 2CDS273001R0631 | |
| EAN | 4016779601399 | |
| Rated current | 63 A | |
| Number of poles | 3P | |
| Tripping characteristic | D | |
| Rated operational voltage | 230 / 400 V AC | |
| Frequency | 50 / 60 Hz | |
| Rated short-circuit capacity | 10 kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2 | |
| Protection rating | IP20 | |
| Mounting type | DIN rail | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.38 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-D63 used for?
The ABB S203M-D63 is used to protect three-phase electrical circuits against overloads and short circuits, particularly where high inrush currents are present.
What is the current rating of the S203M-D63?
The S203M-D63 has a rated current of 63 A, making it suitable for higher load three-phase circuits.
What does the D curve rating mean?
A D curve miniature circuit breaker is designed for circuits with high inrush current, such as motors, transformers, welding equipment and inductive loads.
How many poles does the ABB S203M-D63 have?
The ABB S203M-D63 is a 3-pole miniature circuit breaker, suitable for three-phase circuit protection.
What is the breaking capacity of this MCB?
The ABB S203M-D63 has a rated short-circuit breaking capacity of 10 kA.
Trusted by Electrical Professionals Worldwide
ABB System pro M compact miniature circuit breakers are trusted by electrical contractors, panel builders and industrial engineers for reliable circuit protection, compact installation and dependable performance in demanding electrical systems.
