The 2903308 is a pre-assembled industrial relay module that includes a relay base, power contact relay, and retaining bracket, all featuring convenient push-in connection technology. It operates with a nominal input voltage of 24 V DC and provides a 4 PDT contact arrangement made from AgNi material. This module can switch a maximum voltage of 250 V AC/DC and handles a limiting continuous current of 6 A. Key features include a yellow LED for operating voltage display, a damping diode for circuit protection, and a mechanical switch position indicator. Designed for reliability, it operates within an ambient temperature range of -40°C to 60°C, making it suitable for a wide array of control and automation applications.