The CA3-B0-24-620-21C-D circuit breaker is a hydraulic delay type, designed for use in applications that require a moderate level of protection against overcurrent conditions. This device features a magnetic tripping mechanism and is rated at 20A with a 250V AC operating voltage and 150V DC maximum voltage rating. The CA3-B0-24-620-21C-D circuit breaker is suitable for panel mount installation, providing a convenient and compact solution for overcurrent protection in various electrical systems.