The PHOENIX CONTACT part 3030174 is a plug-in bridge designed for quick and easy connection in electrical installations. With a pitch of 5.2 mm, it provides a compact solution for bridging connections between terminals. The bridge is 22.7 mm long and 14.2 mm wide, making it suitable for various applications. It features 3 positions, allowing for the simultaneous connection of multiple wires. The bridge is colored in red, ensuring clear visibility and identification within the system. Overall, this plug-in bridge offers convenience and efficiency in electrical connections.