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

LEORY IO Card PLC Signal Amplifier Board PNP to NPN Mutual Input Optocoupler Isolation Transistor Output Low Level Relay Module
sku: 4000087118330
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$10.60
Shipping from: China
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