3 pin blue Connector Terminal Block with 0.2 inch pitch. Every single block contains a keying notch. More than one of these blocks can be attached together by keying notch, making it a multiple of 3 pin (3,6,9 etc.) block. Can be attached to a "2 pin screw termial connector" to make a 5 pin connector.
Specifications
Pin to pin distance: 0.2 inch
Housing dimensions: 0.3 inch (weidth) x 0.4 inch (height)
Color: Blue