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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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ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m ESP8266 WiFi 5V 2 Channel Relay Module IOT Smart Home Remote Control Switch Android Phone APP Control Transmission Distance 100m Description: The 5V dual WiFi relay module uses ESP-01 as the WiFi module and is compatible with 8 bit MCU chips. Only a simple configuration process can realize the wireless control of the 2 way relay by using the mobile phone APP in ... $6.99
$9.99 SKU: 12592
$6.99
$9.99
 30

DC 12V ESP8266 WIFI 4-Channel Relay Module Remote Control Switch Wireless Transmitter For Smart Home DC 12V ESP8266 WIFI 4-Channel Relay Module Remote Control Switch Wireless Transmitter For Smart Home 1.Description:     The 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit.It could control the relay by Android phone APP within the local area n... $9.09
$12.99 SKU: 13405
$9.09
$12.99
 30

DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home DC 5V ESP8266 WIFI 4 Channel Relay Module Remote Control Switch IOT Wireless Transmitter For Smart Home 1.Description:     It is 4 channel WIFI relay module carried a ESP8266 WIFI module and mature 8 bit MCU, with professional switching power supply circuit.    It could control the relay by Android phone APP wi... $9.09
$12.99 SKU: 13404
$9.09
$12.99
 30

3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino 3 Channel DC 3.3V 5V Relay Module Relay Expansion Board with Optocoupler Insulation for Arduino Product Introduction: 1.Size:63*42*20mm 2.Power Supply Voltage:5V 3.Trigger Level:3V-7V trigger 4.Trigger Current:5mA 5.Control Voltage:AC 0-250V or DC 0-30V 6.Control Current:0-7A 7.Function:weak current control strong cur... $3.99 SKU: 9665
$3.99

Timer Switch Controller Module 10S-24H Adjustable Delay Module Timer Switch Controller Module 10S-24H Adjustable Delay Module Function Description:   1. Power-on reset automatically; 2. The delay time adjustment range of about 10 seconds to 24 hours; 3. Current output voltage ratio parameter:3V/300mA;5V/200mA;9V/100mA 4. Input voltage:3... $2.23
$2.97 SKU: 7511
$2.23
$2.97
 26

Time Delay Relay Module Digital LCD Display 6-30V Control Timer Switch Trigger Cycle Module for Smart Control Time Delay Relay Module Digital LCD Display 6-30V Control Timer Switch Trigger Cycle Module for Smart Control Description: It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful. It can be widely used at Smart home,Industrial control,Automatic irrigation,Indoor ventilation.Protection equipment. ✔. With LCD ... $5.69
$7.59 SKU: 13339
$5.69
$7.59
 25

5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD 5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD 5V 1 Channel Relay Module Shield for Arduino ARM PIC AVR DSP SRD-05VDC-SL-C   1. Introduction   The item is a 5V 1-Channel Relay interface board, it can be controlled directly by a wide range of microcontrollers... $1.38
$1.84 SKU: 1706
$1.38
$1.84
 26

XH-M662 DC12V Digital Timer Switch Countdown Timer Module 5-60min or 1-24hours Automatic Controller XH-M662 DC12V Digital Timer Switch Countdown Timer Module 5-60min or 1-24hours Automatic Controller Description: This product is the countdown disconnection module.You can set a minute or an hour. Minute mode range 1-60 minutes. The hour mode is 1-24 hours. Automatically open after setting and automatically close after running. One... $6.44
$8.59 SKU: 13101
$6.44
$8.59
 25

Trigger Cycle Timer, DC 5V 12V 24V On Off Timer Module Delay Relay Switch Circuit Module, Dual MOS Control with Protective Shell for Smart Home Trigger Cycle Timer, DC 5V 12V 24V On Off Timer Module Delay Relay Switch Circuit Module, Dual MOS Control with Protective Shell for Smart Home 1.Description:     ZK-J06 is a multifunction delay relay module.Digital tube display.It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation and protection equipment.   ... $5.99
$7.99 SKU: 13501
$5.99
$7.99
 26

Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Micro USB Digital LCD Display Time Delay Relay Module 6-30V Control Timer Switch Trigger Cycle Module Description: It is a multifunction delay relay module.LCD display, very clear, easy to use, powerful. It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation, Protection equipment.   ... $5.81
$7.75 SKU: 13286
$5.81
$7.75
 25

5V 2-Channel Relay Module for Arduino PIC ARM DSP AVR Electronic 5V 2-Channel Relay Module for Arduino PIC ARM DSP AVR Electronic Features Relay output(Max): DC 30V/10A, AC 250V/10A Optocoupler isolation, good anti-interference. VCC: system power supply; JD_VCC: Relay power supply This relay has a common end, a Normal-open end and a Normal-close end... $1.72
$2.29 SKU: 1647
$1.72
$2.29
 25

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

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

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

AC 110V 220V Power-ON Delay Relay Module AC 220V 7A Voltage Output 180min Adjustable Switch Timer Delay Controller AC 110V 220V Power-ON Delay Relay Module AC 220V 7A Voltage Output 180min Adjustable Switch Timer Delay Controller 1.Description:   It is a delay off switch module.After the switch is energized,the switch is opened,and at the same time,the 220V live wire is output to supply power to the consumer.After a delay,the switch is closed and the out... $5.99 SKU: GY18749
$5.99

Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller Dual Modbus Relay Module 2Bit Modbus-RTU Switch Signal Input Output RS485 TTL Controller 1.Description:   LC 2 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 2bit input signal dete... $6.74
$8.99 SKU: 15045
$6.74
$8.99
 26

AC 85V-265V Cycle Timer Delay Module Dual Display 110V 220V 10A 2000W 999ms 999h Power-on Delay Timer AC 85V-265V Cycle Timer Delay Module Dual Display 110V 220V 10A 2000W 999ms 999h Power-on Delay Timer 1.Description:     It is a multifunction delay relay module. The screen display is very clear, easy to use, powerful.  It can be widely used at Smart home, Industrial control, Automatic irrigation, Indoor ventilation, ... $7.49
$9.99 SKU: 14284
$7.49
$9.99
 26

DC 5V 12V 36V Trigger Counter Module Accumulator 0.56inch 4-Bit Red Digital Tube Display DC 5V 12V 36V Trigger Counter Module Accumulator 0.56inch 4-Bit Red Digital Tube Display 1.Description:   QF-C04 is a trigger counter. Each time input a trigger signal, the calculator adds one. Returns 0 when press Clear button.   2.Feature:   1>.Wide voltage input   2>.4Bit Red ... $4.49
$5.99 SKU: 15147
$4.49
$5.99
 26

100s Time Delay Relay Module AC 220V Adjustable Device Power ON Protector 100s Time Delay Relay Module AC 220V Adjustable Device Power ON Protector Description: It is a AC 220V power ON delay relay module. Used for device boot protection.   Parameters: 1>.Item Name:AC 220V 100s Delay Relay Module 2>.Model:QF1022-B-100S 3>.Work voltage:AC 220V ... $3.74
$4.99 SKU: 13540
$3.74
$4.99
 25

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


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