Why Choose the ABB S203M-Z10 Miniature Circuit Breaker?
The ABB S203M-Z10 is a reliable 3-pole miniature circuit breaker (MCB) from the ABB System pro M compact S200M series. Designed for professional electrical installations, it provides dependable overload and short circuit protection for industrial, commercial and OEM control panel applications.
Featuring a Z tripping characteristic, the S203M-Z10 is particularly suitable for sensitive circuits requiring rapid magnetic tripping at low fault current levels. This makes it ideal for protecting electronic equipment, semiconductor devices, measuring circuits, PLC systems and automation control circuits.
With a 10 A rated current, 3-pole configuration and 10 kA breaking capacity, the ABB S203M-Z10 combines compact DIN rail installation with ABB's proven current limiting performance, helping reduce fault energy and protect connected equipment.
Key Advantages
- Reliable 3-pole miniature circuit breaker for professional circuit protection.
- 10 A rated current for sensitive electrical circuits.
- Z tripping characteristic for rapid magnetic tripping.
- 10 kA breaking capacity for dependable short circuit protection.
- Current limiting design helps minimise fault energy.
- DIN rail mounting for quick installation in panels and distribution boards.
Key Features
- ABB System pro M compact S200M series.
- 3-pole (3P) miniature circuit breaker.
- 10 A rated current.
- Z curve tripping characteristic.
- 10 kA rated breaking capacity.
- Thermal overload and magnetic short circuit protection.
- Current limiting performance for enhanced equipment protection.
- Compatible with ABB modular accessories.
Sensitive Circuit Protection for Control and Automation Systems
Miniature circuit breakers such as the ABB S203M-Z10 protect electrical circuits by disconnecting the supply when overload or short circuit conditions occur. The thermal mechanism responds to sustained overloads, while the magnetic mechanism provides rapid disconnection during short circuit faults.
The Z curve characteristic offers fast tripping at relatively low fault current levels, making this MCB ideal for sensitive electrical systems where rapid protection is required. Its 3-pole construction supports three-phase circuit protection in a compact DIN rail mounted format.
Typical Applications
- Industrial control panels.
- PLC and automation systems.
- Electronic control circuits.
- Measuring and instrumentation circuits.
- Semiconductor equipment protection.
- Commercial distribution boards.
