30A Single-channel High-power Relay Module Optocoupler Isolation Board 5V 12V 24V High Low Level Trigger Output AC 250V DC 30V

30A Single-channel High-power Relay Module Optocoupler Isolation Board 5V 12V 24V High Low Level Trigger Output AC 250V DC 30V
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sku: 1005004325307600
$1.64
Shipping from: China
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