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Amazon.com: Raspberry Pi Expansion Board 8-Channel(8-ch) Relays Loads up to 5A 250V AC or 5A 30V DC SPDT-NO NC Contact Form 6mA per Channel Supports Jetson Nano : Industrial & Scientific
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SCHNEIDER ELECTRIC 9050JCK11V20 Timer Relay 240 VAC 10 Amp Type Jck, Black - Electrical Equipment - Amazon.com
415VAC Circuit Protection Relay，Voltage Imbalance Protection，3 Phase Power Supply Monitor Relay，Over & Under Voltage Failure Phase Sequence Protector: Amazon.com: Industrial & Scientific
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