DC 24V 1 Channel Relay Module Board Shield with Optocoupler Isolation High and Low Level Trigger Switch Power Module For Arduino|1 channel relay module|1 channel relaychannel relay - AliExpress
MPD24D2/24BPT New DC DC SSR Solid State Relay Din Rail 24V DC In 24VDC 2A Out Plug in Spring Voltage Relay Switch Module & Board|Relays| - AliExpress
RXM4AB1BD Schneider Electric | Schneider Electric, 24V dc Coil Non-Latching Relay 4PDT, 8A Switching Current Plug In, 4 Pole, RXM4AB1BD | 884-1290 | RS Components