Why Choose the ABB S203-Z40 Miniature Circuit Breaker?
The ABB S203-Z40 is a premium three-pole miniature circuit breaker (MCB) from the trusted ABB System pro M Compact S200 series. Designed to provide dependable 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-Z40 is specifically engineered for applications requiring fast magnetic tripping, making it ideal for protecting PLCs, instrumentation, semiconductor equipment and other sensitive electronic circuits. Its advanced thermal and electromagnetic trip mechanisms provide dependable overload protection while ensuring rapid fault isolation.
With a 40 A rated current, three protected poles and a 6 kA breaking capacity, the ABB S203-Z40 offers compact DIN rail installation, excellent electrical endurance and full compatibility with ABB System pro M Compact accessories for commercial and industrial electrical installations.
Key Advantages
- Premium three-pole miniature circuit breaker.
- 40 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.
- 40 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-Z40 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 UL 1077 standards, the S203-Z40 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.
