The PHOENIX CONTACT part 2903315 is a highly convenient pre-assembled relay module with a push-in connection. It includes a relay base, power contact relay, and a retaining bracket, making it easy to install and use. This relay module is equipped with 2 PDTs (double throw contacts), providing versatile contact configurations for various applications. With an input voltage of 24 V DC, this relay module is suitable for a wide range of electrical systems. Its reliable performance and durable construction make it a dependable choice for any project.