ABB S203B32 3-pole 32 A miniature circuit breaker with B curve tripping characteristic and 6 kA breaking capacity for overload and short-circuit protection.
£78.09
The ABB S203B32 is a premium 3-pole miniature circuit breaker (MCB) designed to provide dependable protection against overloads and short circuits in commercial, industrial and residential electrical installations. As part of the trusted ABB System pro M Compact S200 series, it delivers outstanding reliability, robust construction and long service life for modern electrical distribution systems.
Featuring a B curve tripping characteristic, the S203B32 is ideally suited to circuits with low inrush currents, including lighting circuits, heating systems, socket outlets and other resistive loads. Its thermal-magnetic tripping mechanism provides accurate overload protection while delivering rapid disconnection during short-circuit faults.
With a rated current of 32 A, a 3-pole configuration and a rated operational voltage of 230/400 V AC, the ABB S203B32 is an excellent solution for protecting three-phase electrical systems. Its compact DIN rail design enables fast installation within distribution boards, switchgear and industrial control panels.
The ABB S203B32 automatically disconnects electrical circuits when overload or short-circuit conditions occur, protecting wiring, equipment and connected electrical loads. Its thermal-magnetic design provides dependable operation while helping minimise downtime and improve electrical safety.
The ABB S200 miniature circuit breaker range is trusted by electrical contractors, switchboard manufacturers and industrial engineers for its consistent performance, easy installation and compliance with recognised international standards.
| Current | 32 A |
|---|---|
| Phase | Single Phase |
| Manufacturer | ABB |
| Series | System pro M Compact S200 |
| Model | S203-B32 |
| Product code | 2CDS253001R0325 |
| EAN | 4016779469302 |
| Product type | Miniature Circuit Breaker (MCB) |
| Current rating | 32 A |
| Number of poles | 3 |
| Trip characteristic | B Curve |
| Rated operational voltage | 230/400 V AC |
| Maximum operational voltage | 440 V AC |
| Rated frequency | 50 / 60 Hz |
| Short-circuit breaking capacity | 6 kA |
| Rated insulation voltage | 440 V |
| Impulse withstand voltage | 4 kV |
| Protection rating | IP20 |
| Standards | IEC/EN 60898-1, IEC/EN 60947-2, UL1077 |
| Mounting type | DIN rail |
| Dimensions (H × W × D) | approx. 88 × 52.5 × 69 mm |
| Weight | approx. 0.375 kg |
| HS Code | 85362010 |
| Country of Manufacture | Germany |
The ABB S203B32 protects three-phase electrical circuits against overloads and short circuits in commercial, industrial and residential installations.
A B curve breaker is intended for circuits with relatively low inrush currents, making it ideal for lighting, heating and general power distribution.
The S203B32 is a 3-pole miniature circuit breaker designed to protect three-phase electrical circuits.
The ABB S203B32 has a 32 amp current rating.
The breaker mounts onto a standard DIN rail inside distribution boards, switchgear assemblies and industrial control panels.
ABB System pro M Compact miniature circuit breakers are trusted worldwide for delivering reliable electrical protection, robust construction and dependable long-term performance across residential, commercial and industrial installations.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...