Phoenix Contact Housing Color Change for D-Code PCB Mount M12 Connectors Phoenix Contact is changing the housing color from black to green for the parts below. With the change in the color, the M12 port will be marked as a fieldbus interface. The color change also serves as visual coding that prevents incorrect plugging. During transition of the changes listed above, Mouser may supply both versions of this product simultaneously depending on inventory. Part Numbers Affected 651-1534627 1534627 651-1534630 1534630 651-1434866 1434866 Please contact a Mouser Technical Sales Representative for further information. 5-0713-48