Weidmueller ALDT 2.5 3C BL

The ALDT 2.5 3C BL is an electrical connector specification. "ALDT" refers to a specific series of connectors, while "2.5" indicates a 2.5mm pitch, or the spacing between pins. "3C" indicates the connector has 3 contacts or pins, and "BL" likely represents the color blue, possibly for identification. This connector is designed for applications requiring a compact 3-pin connection with color coding for easy identification.