Optocoupler Isolation Relay Module Module Trigger Signal 12V Single Chip 5V/12V/24V Power Supply PLC Signal Amplifier Board

Optocoupler Isolation Relay Module Module Trigger Signal 12V Single Chip 5V/12V/24V Power Supply PLC Signal Amplifier Board
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sku: 1005004423724397
$6.10
Shipping from: China
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