LEORY 1PCS IO Card PLC Signal Amplifier Board NPN to PNP Mutual Input Optocoupler Isolation Transistor Output Relay Module

LEORY 1PCS IO Card PLC Signal Amplifier Board NPN to PNP Mutual Input Optocoupler Isolation Transistor Output Relay Module
sku: 4000322308989
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$10.39
Shipping from: China
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