The PHOENIX CONTACT part 1757491 is a set of PCB headers designed for high-performance electrical connections. With a nominal current of 12 A and a rated voltage of 320 V, these headers are built to handle demanding power requirements. They feature a nominal cross section of 2.5 mm², making them suitable for applications that require robust and reliable connections. Featuring a 4-position design, these headers have a pitch of 5 mm for easy installation and connection. The headers are colored in a distinctive green hue, adding visibility and ease of identification in complex systems. The contact surface is coated in tin, ensuring optimal conductivity and resistance to corrosion. These headers are specifically designed for wave soldering mounting technique, facilitating efficient assembly and reducing production time. The pin layout is linear pinning, providing a straightforward and organized configuration. Each solder pin measures 3.5 mm, ensuring secure and durable connections. Overall, the PHOENIX CONTACT part 1757491 is a reliable and high-quality solution for various PCB applications, providing excellent electrical performance and ease of installation.