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

16CH Multifunction RS485 Relay Module Momentary Self-locking Interlock Delay Modbus UART COM PC HIM PLC IO Expansion Board
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sku: 1005006217935522
$22.39
Shipping from: China
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