The Siemens 5SY4214-8 is a miniature circuit breaker designed for reliable protection in electrical systems. Rated for 400V and 0.3 amps, this two-pole device features a D curve trip characteristic, making it well-suited for circuits with high inrush currents. With a breaking capacity of 10kA, it offers robust fault interruption capabilities. The compact 70mm size and screw terminal connections make installation straightforward, and it’s compatible with standard DIN rail mounting. This circuit breaker is supplied by BSP Automation, ensuring you have access to trusted industrial components.