Amazon.com: 40A Solid State Relay Module SSR AC to AC Dual Way SCR Input, Input 90V to 250V Output 24V to 480V : Industrial & Scientific
Amazon.com: HiLetgo 2pcs DC 24V 2 Channel Relay Module with Isolated Optocoupler High and Low Level H/L Level Trigger Module Triggered by DC 24V : Industrial & Scientific
Amazon.com: 24 volt relay
Amazon.com: PENGYMY Relay 5set My2P HH52P My2NJ Relais Coil General DPDT Mini Electromagnetic Relay Switches with Socket Base LED AC 110V 220V DC 12V 24V (Größe : DC24V) : Automotive
5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: Industrial & Scientific