3-5V NPN 8 10 12 20-way Current Amplification Control Board PLC Optocoupler Isolation IO Relay Module Solenoid Valve Control

3-5V NPN 8 10 12 20-way Current Amplification Control Board PLC Optocoupler Isolation IO Relay Module Solenoid Valve Control
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sku: 1005004247960980
$19.20-22%
$15.00
Shipping from: China
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