US Dollar (US$)
US Dollar (US$)
Euro (€)
GB Pound (£)
Canadian Dollar (CA$)
Australian Dollar (AU$)
My Account
Log In
Register
My Account
Shopping Cart
Home
all products
Contact Us
News
My Account
Log In
0 item(s)
Categories
UART 485/232/TTL
+
RS485 Modues & relays
+
Wireless RS485/RS232 series 1
Current Voltage ADC Collector
RS485 Relays
Others
Digital Collection Module
Pressure Weight Sensor
Temperature and Humidity Transmitter Detection Sensor
RS232 Modues & relays
USB programmer
others
TTL232
ESP32 Board
Power modules
+
Others
Positive negative power modules
UPS Modules
Buck power modules
Battery Charge Board
Solar Charger modules
Boost modules
Driver Board
Boost & Buck Dual Power Modules
Analog IO Module
Voltage Signal Detection Module
Expansion Board
Others
Bistable Self-locking Electronic Switch
Signal Generator
+
series 1
DTMF Relay
Wireless Antenna
Adapter Modules
Bluetooth relay
FPGA /CPLD Development Kits
+
others
Development Boards
Downloader
RS485 DO
Wiress RF FSK Zigbee ASK
+
ASK Modules
2.4G Modules
FSK Series 1
Wireless RFID
Remote controller kits
+
Fixed Code kits
Rolling code kits
AM FM
Wireless IR
Connector Wire
Motor Driver board
Arduino kits
IO Isolation Protection Board
Timer delay relay
top saler
Din Rail case hold for PCB SIZE 72*100
US$3.99
RYR416C Easy Setup 24V 16 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$28.99
ETD8A12 24V 2 IN1 12 DIO Network/RS485 Relay Module Modbus RTU TCP/IP UART Controller Switch Board For PLC PTZ Camera LED
US$49.99
R4D5E32 24V 32Ch DC 24V 20A High Current Ethernet RS485 Relay Module RJ45 Network Port TCP/IP Modbus RTU Board
US$79.99
ET69C02 1xNetwork to 1xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$14.59
ET69C02 Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server MQTT PLC
US$12.99
New Products [more]
PWM9B03 3 CH DC 12V 24V PWM Function Signal Generator 20Hz-1MHZ Requency Duty Cycle Square Wave Pulse Adjustable Module
US$4.99
N228D02 DC 24V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
N228D02 DC 12V 2CH DB9 UART Relay Module RS232 Serial Port Switch Board For PC PLC Motor LED PTZ
US$4.99
AMDOC16 DC 12V 24V 16DO RS485 Isolated Communication Switch Digital Output MODBUS RTU PLC Expansion Board
US$22.99
IO58F02 30A DC 12V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
IO58F02 20A DC 24V Power Brushed Motor Overload Overcurrent Short Circuit Protector Module Forward Reverse Controller
US$13.99
Home
UART 485/232/TTL
RS485 Modues & relays
RS485 Relays
RS485 Relays
Popular
Price
Price
Bestsellers
New
Displaying
1
to
40
(of
113
products)
1
2
3
[Next »]
Din Rail case hold for PCB SIZE 72*100
US$3.99
N428E02 NEW! 2CH 12V DC RS485 Modbus RTU Relay PC UART Serial Port Switch Board For PLC Camera Industrial Control System LED PTZ
US$4.99
N4ROA01 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
N4ROA01 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$5.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.59
N4ROB02 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
N4ROB02 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$6.99
R413E16 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$6.99
PICO2020 for Raspberry Pi Pico for DN33C08
US$9.99
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$9.99
N4ROC04 Mini DC 12V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
N4ROC04 Mini DC 24V 4CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$10.69
ET69C02 Serial Port Server Module RS485 to Ethernet Network TCP/IP Converter UDP TCP Client Server MQTT PLC
US$12.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$12.99
CE040 DC 12V 4 CH RS485 Relay Module Modbus RTU And AT Command Remote Control Switch for PLC PTZ Camera Security Monitoring
US$13.99
CE035 DC 12V 2 CH RS485 Relay Board UART Serial Port Switch Module Modbus AT Command Control For PLC Smart Home Automated Industry
US$13.99
TB440 for R413E16 16ch Relay Board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$13.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$13.99
ET69C02 1xNetwork to 1xRS485 1/8 Port Industrial Gateway Serial Server RJ45 to RS485 HUB Converter UDP TCP Modbus TCP RTU MQTT HTTP PLC
US$14.59
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$15.99
RYN404E 24V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYN404E 12V 4CH Relay Pluggable Modbus Remote IO Module Baud Rate Slave ID Dip Switch Selection Easy To Use Multi-function Switch Board
US$15.99
RYR404A Easy Setup12V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
RYR404A Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$16.99
N4ROD08 Mini DC 12V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4ROD08 Mini DC 24V 8CH Multifunction Modbus Rtu RS485 Relay Board 2A 0.2W Low Power Consumption Micro Voice Relay Module N4ROF32
US$16.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$16.99
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
US$17.99
RYR404A with Din Rail Easy Setup 24V 4 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$17.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$17.99
N4D8B08 DC 12V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
N4D8B08 DC 24V 8I8O Multifunction Modbus RTU Relay Module Support 03 06 16 Function Code RS485 Switch Control Board DIN35 Rail Box
US$17.99
R413E16 + TB440 Core board RS485 Relay 16ch Multifunction NPN PNP IO Control Core Board Modbus Rtu Module
US$17.99
RYR408B Easy Setup 24V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$19.99
RYR408B Easy Setup 12V 8 Channels Modbus Relay Board IOT RS485 Network PC UART Industrial Control Switch Module for PLC HMI TP PTZ
US$19.99
R4D8A08 DC 12V 8 Channel RS485 Relay Module Modbus RTU UART Remote Control Switch DIN35 C45 Rail Box for PLC PTZ Camera Security Monito
US$19.99
Displaying
1
to
40
(of
113
products)
1
2
3
[Next »]