Based on this product's specifications, here are some alternatives and similar models
Hager HIC412A Automatic Transfer Switch 4P 125A
Summary description:
The Hager HIC412A is a 4-pole automatic transfer switch designed for reliable power management. Rated for 125A, it supports an AC input voltage range of 380-415V. This electrical enclosure accessory ensures seamless switching between power sources, making it an essential component for maintaining continuous electrical supply in industrial and commercial distribution systems.