The Littelfuse BA1-B2-22-620-222-D is a single-pole magnetic circuit breaker with hydraulic delay, designed for overcurrent protection in various applications. It is rated for 20A continuous current at 250V AC/DC. The breaker utilizes a magnetic (hydraulic delay) mechanism, providing reliable trip characteristics. The lever actuator allows easy manual reset. This breaker is panel mount, suitable for installation in enclosures or control panels. It is part of the BA1 series from Littelfuse, known for compact size and robust construction.