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Amazon.com: Taidacent 2 Way 12V Reed Relay Switch Magnetic Reed Switch Module Magnetic Control AC Switch Magnetic Reed Sensor : Industrial & Scientific
NOYITO 4 Channel Relay Module High Low Level Trigger with Optocoupler Isolation Load DC 30V AC 250V 10A for PLC Automation Equipment Control (4-Channel 12V): Amazon.com: Industrial & Scientific
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