8DI8DO Combined control system Modbus RTU protocol serial port RS485 232 digital input and output relay: 5A/250VAC, 5A/30VDC
![8DI8DO Combined control system Modbus RTU protocol serial port RS485 232 digital input and output relay: 5A/250VAC, 5A/30VDC](http://ae04.alicdn.com/kf/H12f96fa1bcd041f59eee4ee182d4f064K.jpg)
sku: 1005001682890965
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$40.50
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