
The ABB S203MT-Z0.5NA is a miniature circuit breaker specifically designed for traction applications. It meets stringent standards for fire and smoke resistance (EN 45545-2) and is tested for shock and vibration (IEC/EN 61373). This MCB is suitable for extreme conditions from -40°C to +70°C and features a contact position indicator for clear visibility. It is rated for insulation voltage up to 440 V AC and offers a high short-circuit breaking capacity.
Detailed engineering parameters based on manufacturer documentation