US Dollar (US$)
My Account

RS485 Modues & relays

PopularPricePriceBestsellersNew
N4A8I16 4AI-4VI -4DI -16DO 24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector
N43VD04 0-5V RS485 Modbus RTU ADC Module 4CH Current/Voltage Analog Acquisition Board
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
R421C32 32CH DC 12V RS-485 Modbus RTU Relay Board RS485 Bus Remote Control Switch For LED Motor PLC PTZ Camera
R413D08 5V RS485 RS232(TTL) PLC Modbus RTU Module 8ch IO Control Switch Board for Relay Industrial automation
R4D1C32 DC 6.5-30V 32CH DIN35 C45 Rail Box RS485 Modbus RTU Controller 300MA Driver Module For PLC Relay Switch LED Motor
N4CIE16 12V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
CTR4A01 10A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
N434E01 NTC Temperature and Humidity Transmitter Detection Sensor Module Modbus NTC replace SHT20 SHT30 RS485 Analog Signal
DN33C08 DC 12V 24V 8ch Multifunction Delay Timer RS485 Modbus Relay Module for Raspberry Pi Pico Simple Open PLC Python C++
TB438_50K*8 50K B3950 1% NTC Thermal sensor NT28B16
TB457 NTC sensor
N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
N4CIE16 5V 16CH Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
ETD8A12 12V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
LD58A08 8ch RS485 Modbus RTU DO/PWM Output Multifunction MOS Driver Board for Multilayer Signal Lights LED Relay Solenoid Valves Motor
NT28B16 50K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
PTA8C04 4CH DC 24V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
CTR4A01 5A 110 220V 50HZ/60HZ RS485 Current Collector Ammeter MODBUS PLC Current Analog Acquisition AC Transformer Meter Module
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
RYR408B With Din Rail Easy Setup 24V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
N4VIG08 DC 12V 8CH Analog-to-Digital Conversion ADC Module 0-10V Voltage Current to RS485 Modbus PinBoard PLC Remote IO DIY
N4DBA06 8CH 0-5V 0-10V 4-20MA Voltage Current Signal Generator Detector RS485 to ADC DAC Converter Modbus RTU IO Module
R4DIK04 12V 0-20mA 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
N4VIA02 1A Multifunctional RS485 Ammeter & Voltmeter 0-30V Voltage & 0-5A Current Measurement Module Modbus RTU
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
TB456 1KG for WG18A02 1KG Weight Sensor RS485 RS232 TTL
NT28B16 10K 16 CH RS485 Temperature Acquisition Board RTU Paperless Recorder 10K/20K/50K/100K B3950 NTC Sensor
R4CVA02 Power 6-25V IN0-10V Mini 2CH Voltage Current RS485 Collector Module ADC Serial Port UART AI Input Module PLC Analog IO
N4CIF24 12V 24AI Current Voltage Analog Collector 20MA 30V ADC RS485 Bus Core Board for Arduino Pi PICO ESP32 ESP8266 WIFI Nodemcu
N4A4I06 24V 14CH Multifunction RS485 Network Bus NTC Temperature Collector 4AI-4DI-6DO Modbus RTU PLC Remote IO Analog Digital Expander
SHA8C01 12V RS485 -40-125Celsius 0-100%RH SHT30 SHT3X RS485 RS232 TTL Modbus Rtu Digital Temperature Humidity Sensor Module
PTA8C04 4CH DC 12V -40~500 Celsius PT100 Thermocouple Temperature Sensor Module Modbus RTU Platinum Thermal Resistance Collector
N4A7K16 7AI-1VI -4DI -16DO 24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector
R4DVI04 24V 0-10V 4AI 4DI 4DO ModBus Gateway Module Digital Analog Quantity Acquisition Switching Value Current Voltage 4-20MA 0-5V 0-10V
RYR404A with Din Rail Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
RT18A01 Master-slave Network Transceiver Wireless Repeater FSK 868M UHF FR Module DTU Board For PTZ Camera
R4PIN08 4DI-4DO 8CH Multifunction RS485 Remote IO 2.54mm Pin Core Board Modbus Rtu Master-slave Digital Collection Module DC 5V 12V 24V
payment
Copyright © 2026 Eletechsup All Rights Reserved.