4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home

14.22 – 17.06 $

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More than 8 years of seller experience
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2-way Relay Module Output 2 Channel Switch Input TTL/RS485 Interface Communication Modbus-Rtu

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Reliability – 100%

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4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home 2026 - buy cheap

4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home - compare prices

4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home - specifications

4CH RS485 Relay Switch Module UART Modbus RTU AT for PTZ PLC Smart home - photo 2026

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Product specifications

Brand Name: eletechsup
Certification: NONE
Origin: CN(Origin)
Theory: Voltage Relay
is_customized: Yes
Contact Load: High Power
Voltage: 12V
Protect Feature: Sealed
Power Source: DC
Usage: General Purpose

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