The Phoenix Contact 1663569 is a high-quality pneumatic socket with an integrated valve, designed specifically for the HC-M-PN3 module. This component is engineered for pneumatic applications, supporting an internal hose diameter of 4.0 mm. Ideal for industrial automation systems, it ensures reliable performance and seamless integration. With its robust construction and compatibility with various pneumatic setups, the 1663569 model is a crucial element for efficient fluid control in automated environments.