Why Choose the ABB S203B32 Miniature Circuit Breaker?
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.
Key Advantages
- Reliable 3-pole miniature circuit breaker for overload and short-circuit protection.
- 32 A current rating suitable for commercial and industrial distribution circuits.
- B curve tripping characteristic for circuits with low inrush currents.
- 6 kA short-circuit breaking capacity for dependable fault protection.
- Compact DIN rail mounting for quick installation.
- Current-limiting design helps reduce fault energy.
Key Features
- ABB System pro M Compact S200 series.
- Model S203-B32.
- 32 A rated current.
- 3-pole configuration.
- B trip characteristic.
- 230/400 V AC rated operational voltage.
- 6 kA rated short-circuit breaking capacity.
- Thermal and electromagnetic tripping mechanisms.
- Current-limiting operation.
- DIN rail mounting.
- Clear red/green contact position indicator.
Reliable Protection for Three-Phase Electrical Systems
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.
Typical Applications
- Three-phase electrical distribution boards.
- Commercial buildings.
- Industrial control panels.
- Lighting and heating circuits.
- General power distribution.
- OEM machinery and switchgear.
