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2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance in Saudi Arabia 2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance in Saudi Arabia 2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance in Saudi Arabia 2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance in Saudi Arabia 2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance in Saudi Arabia

2pcs Modbus RTU Single Relay Module RS485/TTL UART 1 Input 1 Output 10A 250V AC 100k Cycle Endurance

SAR 53
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Special Features

  • 【Stable Modbus RTU Communication】 8-bit MCU with MAX485 chip; 9600 bps default baud rate; 1-255 device address range; Suitable for industrial automation and remote control systems
  • 【Versatile Interface Options】 Supports RS485 and TTL UART communication; 7-24V DC power input with reverse polarity protection; compatible with PLCs and microcontrollers
  • 【High-Performance Relay Output】 10 A / 250 V AC or 10 A / 30 V DC relay; 100,000 cycle endurance; includes diode snubber for voltage spike suppression
  • 【Flexible Switching Modes】 Manual, flash close, and flash off operation; 0.1 s delay base; up to 6553.5 s programmable timing via Modbus commands
  • 【Easy Integration and Setup】 Optocoupler isolated input; LED indicators for relay status; simple configuration through Modbus RTU protocol

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