The 'P' indicates a Plug connector. '024' specifies 24 positions or circuits. 'VA3' is a contact shape modification code, where 'A' denotes Gold (Au) plating. The 'R' indicates reeled packaging, and '15000' specifies a reel quantity of 15,000 pieces. The WP26DK series identifies JAE Electronics' Stacking Type Board-to-Board Connectors.