8 channels Optocoupler Isolator Photoelectric Isolation Module PLC IO Signal Converter Board, NPN/ PNP, 2KHz Polarity Conversion
![8 channels Optocoupler Isolator Photoelectric Isolation Module PLC IO Signal Converter Board, NPN/ PNP, 2KHz Polarity Conversion](http://ae01.alicdn.com/kf/HTB1BcmLXfvsK1RjSspdq6AZepXaR/8-channels-Optocoupler-Isolator-Photoelectric-Isolation-Module-PLC-IO-Signal-Converter-Board-NPN-PNP-2KHz-Polarity.jpg_350x350.jpg)
sku: 32927542158
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$29.99
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