MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module

22.69 $

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Price increased by 2.54 $

Higher than average, a lot

Reliable seller: 89%

Above average, safe to buy, FuChuang Electrical Equipment Store

More than 8 years of seller experience
High general feedback score (3335)
Customers are satisfied by communication
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3.8% of customers were dissatisfied over the last 3 months

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15.79 $

MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module

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Reliability – 89%

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MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module 2026 - buy cheap

MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module - compare prices

MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module - specifications

MODBUS RTU protocol 4 in 4 out control relay module RS485 switch input and output PLC module - photo 2026

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Product specifications

Origin: CN(Origin)
Theory: Time Relay
Power Source: DC

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