DC 6-24V RS485 RS232 TTL RTU Control UART Control Module 8 Channel IO Control Relay Switch Board Support PLC For Arduino

7.87 $
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Price increased by 1.44 $

Higher than average, a lot

Reliable seller: 89%

Above average, safe to buy, China Electrical Industry Store

  • More than 10 years of seller experience
  • High general feedback score (56180)
  • Customers are satisfied by communication
  • Items match description
  • High shipping speed
  • 3.3% of customers were dissatisfied over the last 3 months

Customer reviews

Prices at other sellers from 2.66 $

DC 12V Relay Module 16 Channel MODBUS RTU RS485 Relay Board PLC Controller Serial Port Switch Shield for Arduino
18.26 $
DC 12V Relay Module 16 Channel MODBUS RTU RS485 Relay Board PLC Controller Serial Port Switch Shield for Arduino
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Reliability – 89%

Seller ZQC Module Store

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DC 6-24V RS485 RS232 TTL RTU Control UART Control Module 8 Channel IO Control Relay Switch Board Support PLC For Arduino - photo 2026
DC 6-24V RS485 RS232 TTL RTU Control UART Control Module 8 Channel IO Control Relay Switch Board Support PLC For Arduino - photo 2026
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Product specifications

  • Brand Name: VBESTLIFE
  • Origin: CN(Origin)
  • is_customized: Yes
  • Contact Load: Low Power
  • Protect Feature: Sealed
  • Power Source: DC
  • Usage: General Purpose
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