16CH RS485 Relay Multifunction Momentary Self-locking Interlock Delay Modbus UART COM PC HIM PLC IO Expansion Board For LED PTZ

16CH RS485 Relay Multifunction Momentary Self-locking Interlock Delay Modbus UART COM PC HIM PLC IO Expansion Board For LED PTZ
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sku: 1005006135750636
$21.89
Shipping from: China
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