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The Relay Modules on ICStation offers a variety of relay modules for switching high-power loads with ease. Our collection includes solid-state relays, electromechanical relays, and other relay technologies that provide reliable and efficient switching for a wide range of applications. Whether you're building a home automation system or an industrial control system, our relay modules can help you switch with ease. Browse our selection and find the right relay module for your project today.

58 Results for Relay Module
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RS485 Modbus-RTU 12V 1Bit Relay Module 1-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 1Bit Relay Module 1-Channel Switch Controller for Arduino 1.Description:   It is a 1 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface.   2.Feature:   1>.Modbus serial communication   2>.Relay switc... $11.59 SKU: GY18123
$11.59

4 Channel Modbus Relay Module 4Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 4 Channel Modbus Relay Module 4Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description:   LC 4 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 4bit input signal detec... $11.99 SKU: 15044
$11.99

DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller DC 12V 5-Channel Self-locking Relay Module 5Bit 10A High/Low Level Trigger Select Switch Controller 1.Description:   It is a latching relay module.It has 5 relay channels and can connect 5 loads. 2.Feature:   1).The self-locking relay module has a power indicator and a working indicator,and the working status of the ... $11.99 SKU: GY20640
$11.99

AC 110V 120V Programmable Digital Cycle Delay Relay Timer Switch Module, AC 85V-265V LED Display 0ms-999h AC 110V 120V Programmable Digital Cycle Delay Relay Timer Switch Module, AC 85V-265V LED Display 0ms-999h ICStation Digital Timer Relay AC 85-265V 110V 220V 2000W 10A HD LED Dual Time Display Relay Switch Panel   MULTIFUNCTION: support 18 working modes including time delay relay open, time delay relay close, time delay relay... $12.99 SKU: 12364
$12.99

DC 6V-25V 3Bit Red Digital Timer Module 0.01s-999s DC 6V-25V 3Bit Red Digital Timer Module 0.01s-999s QF-T01 DC6V-25V 3Bit Red Digital Timer Module     1.Description:   QF-T01 is a DC6V-25V 3Bit Red Digital Timer Module.   It's a very simple and pure timer. It also can be used as electronic s... $12.99 SKU: GY20488
$12.99

DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module DC 7V-30V 2-Channel Delay Module Switch Controller Motor Forward Reverse Relay Module 1.Introduction: It is a DC 7-30V double two-way delay control switch solenoid valve high-power motor forward and reverse relay module. 2.Feature: 1>.Wide voltage range. 2>.High-power. 3>.Power-off memory. 4>.Ti... $13.29
$18.99 SKU: GY21284-1
$13.29
$18.99
 30

DC 12V 2.4G IoT Wireless Transceiver WIFI Intelligent Controller Switch 10A Relay Module APP Control DC 12V 2.4G IoT Wireless Transceiver WIFI Intelligent Controller Switch 10A Relay Module APP Control 1.Description:   It is a Wifi relay control module.It requires no programming, just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI, the mobile phone ... $13.99 SKU: GY18128
$13.99

4 Channel Wireless Controller WIFI Relay Module Inching/Self-Locking/Interlock APP AC 220V Smart Switch for DIY Smart Home 4 Channel Wireless Controller WIFI Relay Module Inching/Self-Locking/Interlock APP AC 220V Smart Switch for DIY Smart Home Description: It is a WIFI module based 4 channel (4-way) WIFI wireless switch. It integrates with MCU and button control. It supports to connect and control 4 home appliances, which can be separately turned on/off by app eWeLink b... $13.99
$19.99 SKU: 13330
$13.99
$19.99
 30

8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller 8-Channel RS485 Multifunctional Delay Relay Module DC 12V Modbus RTU Controller 1.Description:   R421A08 8 channel Modbus relay module equipped with mature and stable 8-bit MCU and RS485 level communication chip,adopt standard MODBUS RTU format RS485 communication protocol. It can realize 8bit input signal ... $14.24
$18.99 SKU: 15080
$14.24
$18.99
 25

DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector DC 0-99.9V Voltage Monitor Module Programmable Delay Relay Switch Controller Battery Protector 1.Description: A30-U1 is a DC 99.9V Voltage Monitor Module with Delay. It can flexibly set detection upper and lower limit voltage values and set triggering conditions.It can realize functions such as voltage detection, overvoltage and... $14.99 SKU: GY21111-1
$14.99

RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 3Bit Relay Module 3-Channel Switch Controller for Arduino 1.Description:   It is a 3 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,3 input and output.   2.Feature:   1>.Modbus serial communication  ... $14.99 SKU: GY18121
$14.99

RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 4Bit Relay Module 4-Channel Switch Controller for Arduino 1.Description:   It is a 4 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,4 input and output.   2.Feature:   1>.Modbus serial communication  ... $15.79 SKU: GY18120
$15.79

Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay Modbus RTU 1-Channel Relay Module, RS485 Communication Protocol/TTL UART Relay 1.Description:   It is a single relay module. The single channel relay module is equipped with a mature and stable 8-bit MCU and RS485 level communication chip. Using standard MODBUSRTU format RS485 communication protocol, it can ... $15.99 SKU: GY19918
$15.99

6 Channel SPDT Switch Module, DC 24V Relay Module, AC 270V with Isolated Optocoupler DIN Rail Mount High and Low Level Trigger 6 Channel SPDT Switch Module, DC 24V Relay Module, AC 270V with Isolated Optocoupler DIN Rail Mount High and Low Level Trigger DC 24V 6 Channel SPDT Relay Module With Isolated Optocoupler and DIN Rail Mount Introduction: It is a Q14F 24V Pluggable 6Bit SPDT Power Relay Module. It includes 6pcs intermediate relay with SPDT output control terminal. It is ... $20.24
$26.99 SKU: GY20262
$20.24
$26.99
 25

DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC DC 12V 24V RES485 Modbus RTU Relay Controller,16CH-IN-NPN 16CH-OUT Programmable Switch Optocoupler Isolator for PLC 1.Description:  The Optocoupler Isolator for PLC is an expansion board used to increase the number of control objects to meet the control requirements of the system. In MODBUS mode, a maximum of 64 devices can be connected in para... $21.99 SKU: GY21188-1
$21.99

DC 12V 2.4G IoT Wireless Transceiver 4Bit WIFI Intelligent Controller Switch 10A Relay Module 4-Channel APP Control DC 12V 2.4G IoT Wireless Transceiver 4Bit WIFI Intelligent Controller Switch 10A Relay Module 4-Channel APP Control 1.Description:   It is a 4 way Wifi relay control module.It requires no programming,just download an "eWeLink" APP and link to WIFI to control the built-in cloud.As long as the module is connected to WIFI,the mobile ph... $25.99 SKU: GY18126
$25.99

DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller DC 7-28V Modbus RTU Network Relay Module W5500 Ethernet LAN Controller 1.Description:     Modbus RTU Network Relay Module W5500 Ethernet LAN Controller equipped with mature and stable 32-bit MCU and W5500 all-hardware TCP/IP protocol stack network chip. Reserved MCU debugging interface to s... $29.99 SKU: GY20821-1
$29.99

RS485 Modbus-RTU 12V 8Bit Relay Module 8-Channel Switch Controller for Arduino RS485 Modbus-RTU 12V 8Bit Relay Module 8-Channel Switch Controller for Arduino 1.Description:   It is a 8 bit ModbusRTU relay module.It supports RS485 communication interface and TTL communication interface,8 input and output.   2.Feature:   1>.Modbus serial communicati... $29.99 SKU: GY18157
$29.99


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