The 2903320 is a pre-assembled relay module that includes a relay base, power contact relay, and a retaining bracket for easy installation. It operates on a nominal input voltage of 24 V DC and is equipped with a protective damping diode and a yellow LED for operating voltage display. The contact side features four changeover contacts (4 PDTs) made of AgNi material, capable of switching a maximum of 250 V AC/DC. This module supports a limiting continuous current of 6 A and can handle a maximum inrush current of 16 A for 20 ms. Designed for durability, it has a mechanical service life of approximately 20 million cycles and operates in temperatures from -40 °C to 60 °C, making it suitable for various industrial control applications.