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-B32 MCB – S200M – 3P – B – 32A
ABB S203M-B32 miniature circuit breaker from the S200M series featuring a 32 A rated current, B tripping characteristic, 3-pole configuration and 10 kA breaking capacity for residential, commercial and industrial circuit protection.
£54.87
Why Choose the ABB S203M-B32 Miniature Circuit Breaker?
The ABB S203M-B32 is a 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 delivers high breaking capacity, current limiting performance and compact DIN rail installation for professional distribution systems.
With a 32 A rated current and B tripping characteristic, the S203M-B32 is suitable for circuits with low inrush currents, including lighting, heating and general distribution applications. Its 3-pole configuration provides coordinated protection for three-phase electrical circuits.
The ABB S203M-B32 combines a compact modular housing, secure screw terminals and a high 10 kA breaking capacity. This makes it a reliable choice for distribution boards, control panels and switchgear assemblies where safety, reliability and ease of installation are essential.
Key Advantages
- Reliable miniature circuit breaker for three-phase circuit protection.
- 32 A rated current for general power distribution circuits.
- B characteristic suitable for low inrush current applications.
- 3-pole configuration for 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.
- 32 A rated current.
- B 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 Three-Phase Circuits
Miniature circuit breakers such as the ABB S203M-B32 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 B characteristic is designed for circuits with relatively low inrush currents, making the S203M-B32 well suited to lighting, heating and general distribution applications. Its 3-pole construction provides coordinated protection across three-phase electrical systems.
Typical Applications
- Three-phase distribution boards.
- Commercial and industrial electrical installations.
- Lighting and heating circuits.
- Industrial control panels.
- Panel building and machine control assemblies.
- Electrical systems requiring 3-pole circuit protection.
Technical Specifications
Tick the specs you need, then view products that match.
| Phase | Three Phase | |
|---|---|---|
| Current | 32 A | |
| Poles | 3-pole | |
| Device Type | MCB | |
| Trip Curve | B curve | |
| Breaking Capacity | 10 kA | |
| Manufacturer | ABB | |
| Series | S200M | |
| Model | S203M-B32 | |
| Manufacturer part number | 2CDS273001R0325 | |
| EAN | 4016779549721 | |
| Product type | Miniature circuit breaker | |
| Rated current | 32 A | |
| Tripping characteristic | B | |
| Number of poles | 3P | |
| Rated operational voltage | 400 / 440 V AC | |
| Rated DC voltage | 125 V DC | |
| Rated frequency | 50 / 60 Hz | |
| Rated short-circuit breaking capacity | 10 kA | |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL 1077 | |
| Terminal type | Screw terminals | |
| Mounting type | DIN rail TH35 | |
| Protection rating | IP20 | |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm | |
| Weight | approx. 0.37 kg | |
| HS Code | 85362010 | |
| Country of Manufacture | Germany |
Frequently Asked Questions
What is the ABB S203M-B32 used for?
The ABB S203M-B32 is used to protect three-phase electrical circuits against overloads and short circuits in commercial, industrial and residential installations.
What is the rated current of the S203M-B32?
This miniature circuit breaker has a rated current of 32 A.
What does B characteristic mean?
A B characteristic MCB is designed for circuits with low inrush currents, making it suitable for lighting, heating and general distribution applications.
What pole configuration does this MCB have?
The ABB S203M-B32 has a 3-pole configuration, providing protection for three-phase electrical circuits.
How is the ABB S203M-B32 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.
