4CH DC 24V To 3.3V 5V 12V 24V Digital logic Level Conversion Module In PNP/NPN Optical Isolation Board For PLC Relay LED

4CH DC 24V To 3.3V 5V 12V 24V Digital logic Level Conversion Module In PNP/NPN Optical Isolation Board For PLC Relay LED
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sku: 1005005289021731
$2.48
Shipping from: China
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