5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: Industrial & Scientific
Amazon.com: ATDV-YC Twin Timer Relay, 6S-60M 24V On Off Twin Timer Relay Knob Control Time Switch ATDV-YC (DC12V ) : Tools & Home Improvement
24VAC, 8-Pin Side Flange Enclosed Power Relay; Electrical Connection: 1/4" Tab Terminal: Amazon.com: Industrial & Scientific
Finder Relay, Spst-No, 24Vdc, 40A, Din Rail - 38.81.7.024.9024: Amazon.com: Industrial & Scientific
5V/12V/24V 8 Channel Optocoupler Relay Module Board with High/Low and Trigger Power Indicator Light(24V): Amazon.com: 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: DC 5V/12V/24V Delay Timer Relay, Self-Locking Delay On Off Time Switch Super 555 Timer DC 5V/12V/24V (DC24V ) : Industrial & Scientific
Solidremote 12V - 24V Secure Wireless RF Remote Control Relay Switch Universal 2-Channel 433MHz Receiver with 2 FCC ID Transmitters for Garage Door Openers, LED Lights etc (KIT-1) - - Amazon.com
Calvas YET402PC-V2.0 Universal 2 Channel 12-24V AC/DC Wireless Rolling Code Receiver for Gate Automation Door - - Amazon.com
NOYITO 6-Channel Relay Module 5V 12V 24V High Low Level Trigger with Optocoupler Isolation Relay Load AC 250V 10A DC 30V 10A (DC 5V, Blue): Amazon.com: Industrial & Scientific
Amazon.com: Lisle 60150 Relay Pro 12V and 24V Relay Tester : Automotive
Amazon.com: HiLetgo 4 Channel 24V Relay Module with OPTO-Isolated Support High and Low Level Trigger for PLC Automation Equipment Control : Industrial & Scientific