4CH Micro Size & Low Power Consumption RS485 RS422 Relay Module MODBUS RTU COM UART Serial Port Switch DIN Rail Case DC 12V 24V

4CH Micro Size & Low Power Consumption RS485 RS422 Relay Module MODBUS RTU COM UART Serial Port Switch DIN Rail Case DC 12V 24V
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sku: 1005006884641445
$9.98
Shipping from: China