Relay module connection, Socket power relay, What Is a Power Relay Module - tatanh1983/conchodom GitHub Wiki

RT2 Series 8 A DPDT 24 VDC PCB Mount Miniature General Purpose Power Relay

https://www.futureelectronics.com/p/electromechanical--relays--power-relays/5-1393243-9-te-connectivity-5429493