Eaton / Moeller DILA-40 4 pole control relay with a 24 volt AC coil. Comes with 4 N.O. base contacts, rated for 16 AMPS and mounts on standard 35mm DIN rail: Amazon.com: Industrial & Scientific
Amazon.com: Multi Voltage Time Delay Relay Off Switch with 7 Function Choices DC 24V & AC 24-240V Delay Timer Selectable Time Range 0.1s to 100h : Industrial & Scientific
Amazon.com: 24V 5A 120W Power Supply 100V-240V or 110V - 220V AC to DC Adapter 24V 5amp Switching Converter 5.5x2.1mm Plug for Routers CCTV IP Security Cameras 5050 3528 LED Strip Mould