Based on this product's specifications, here are some alternatives and similar models
Interface Card Eaton INDRELAY-MS Internal Serial
Summary description:
The Eaton INDRELAY-MS interface card features a Thunderbolt host interface and a serial output interface. It is designed for wired connectivity and is compatible with Eaton 5P, 5PX, 9SX, 9PX, 9E, 93PM, 93PS, 91PS, 93PS Marine, and INDRELAY-MS devices. With dimensions of 66 mm in width, 132 mm in depth, and 132 mm in height, this multicolour card offers reliable performance for various applications.