The Panasonic Electronic Components AHER4191 is a general purpose power relay featuring a 12VDC coil and 40A contact rating. It is designed for through-hole mounting.
The TE Connectivity T92S7D12-24-02 is a general purpose PCB relay designed for various applications. It features a 24VDC coil and a 40A contact rating.
The American Zettler AZ2150-1A-9DE is a miniature power relay featuring a 40A contact rating and a 9VDC coil voltage. It is designed for through-hole mounting.