2 Channel 30A DC 5V 12V 24V Relay Module Optocoupler Isolation High Low Trigger | eBay
DC 5V 12V 24V 30A 1 2 4 Channel Relay Module with optocoupler isolation Supports High and Low Triger Trigger Relays Board
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Amazon.com: Relay Module, 30A YYG-3 DC 12V Two Way Bidirectional Optocoupler Isolation Relay Module Electrical System Control(12V DC) : Industrial & Scientific
2 Channel DC 5V Relay Module 30A optocoupler isolation module High and Low Level Trigger Relay for Smart Home PLC - AliExpress
Amazon.com: 30A 1 2 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 30A for PLC Automation Equipment Control Industrial Control (1-Channel 12V) : Industrial & Scientific
High Power Relay Module 12V 30A - ElectroDragon
DC 5V 12V 24V 30A 1 2 4 Channel Relay Module with optocoupler isolation Supports High and Low Triger Trigger Relays Board
Two 2 Channel DC 5V 12V 24V Relay Module 30A optocoupler isolation module High and Low Level Trigger Relay for Smart Home PLC - AliExpress
Fafeicy YYG-2 30A One Way Relay Module, 30A Relay Module High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module (DC5V): Amazon.com: Industrial & Scientific
DC 5V 12V 24V 30A 1 2 4 Channel Relay Module with optocoupler isolation Supports High and Low Triger Trigger Relays Board
2 Channel Relay Module Eujgoov Industrial WiFi Relay Board with Pin Seat and Pin Header for ESP8266 Secondary Development, DC 7‑28V 30A - Amazon.com