The British Double Socket 13A, model CZA-3B-1, is designed for a rated voltage of 250V and a current of 13A. It is compatible with the cassette JXN-7, indicating it's a versatile component for electrical installations. Such sockets are essential in ensuring safe and reliable connections for various electrical appliances and systems in both residential and commercial settings. For those interested in marine and offshore equipment, the CZA-3B-1 model reflects a commitment to quality and safety in design.