Why Choose the ABB S203-Z25 Miniature Circuit Breaker?
The ABB S203-Z25 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Engineered to provide reliable protection against overloads and short circuits, it is ideally suited to industrial automation systems, control panels and sensitive electronic equipment where rapid fault protection is essential.
Featuring a Z tripping characteristic, the S203-Z25 is specifically designed for circuits supplying sensitive electronic devices, PLCs, instrumentation, semiconductor equipment and other applications requiring fast magnetic tripping. Its advanced thermal and magnetic protection mechanisms provide dependable fault clearance while helping to safeguard valuable equipment.
With a 25 A rated current, three protected poles and a 6 kA breaking capacity, the ABB S203-Z25 offers compact DIN rail installation, excellent electrical endurance and compatibility with ABB's complete range of System pro M Compact accessories.
Key Advantages
- Premium three-pole miniature circuit breaker.
- 25 A rated current with Z tripping characteristic.
- Fast magnetic tripping for sensitive electronic equipment.
- 6 kA rated breaking capacity.
- Thermal overload and magnetic short circuit protection.
- Compatible with ABB System pro M Compact accessories.
Key Features
- ABB System pro M Compact S200 series.
- 25 A rated current.
- Z tripping characteristic.
- Three-pole (3P) configuration.
- 6 kA rated short circuit breaking capacity.
- Current limiting construction.
- DIN rail mounting.
- Failsafe bi-directional cylinder-lift screw terminals.
Reliable Protection for Sensitive Electronic Circuits
The ABB S203-Z25 automatically disconnects electrical circuits when overload or short circuit conditions occur, helping to minimise equipment damage and improve system reliability. Its Z characteristic provides rapid magnetic tripping, making it particularly suitable for protecting sensitive electronic devices and precision control equipment.
Manufactured in accordance with IEC/EN 60898-1, IEC/EN 60947-2 and UL1077 standards, the S203-Z25 delivers dependable long-term performance, excellent electrical endurance and straightforward installation in commercial and industrial electrical systems.
Typical Applications
- PLC and automation systems.
- Industrial control panels.
- Instrumentation circuits.
- Semiconductor equipment.
- Sensitive electronic control systems.
- Commercial and industrial electrical installations.
