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Alarm SystemsBreakers, Distributors, and Load CentersDimmers, Switches, and Wall PlatesDoor HardwareElectrical ToolsElectrical Wire & CableFire SafetyGarage Door Openers and HardwareHand ToolsHome SafetyLight BulbsLight TimersMechanics ToolsPower Tool AccessoriesPower ToolsSolderingTestersThermostatsValves & Valve Repair
Relay Module(1000+)
Uses item details. Price when purchased online
Woudy Genuine Fuel Pump Main Relay 39400-SM4-003 for Civic Accord Acura 1992-2001 $15.99
Sponsored
$1599
current price $15.99Woudy Genuine Fuel Pump Main Relay 39400-SM4-003 for Civic Accord Acura 1992-2001
Rayne's World 100A AA (AC to AC) Solid State Relay Module, Single Phase SSR, 70-280VAC Control, 24–480VAC Load, Panel Mount, Industrial Automation Switch From $16.99
Sponsored
From$1699
Rayne's World 100A AA (AC to AC) Solid State Relay Module, Single Phase SSR, 70-280VAC Control, 24–480VAC Load, Panel Mount, Industrial Automation Switch
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ANXPTIME USB Relays 12V 12V 8-Channel Computer USB Controller Switches Relays Module PC $20.16
Sponsored
$2016
current price $20.16ANXPTIME USB Relays 12V 12V 8-Channel Computer USB Controller Switches Relays Module PC
VEVOR SplitCharge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR $58.90 $58.90/ca
Sponsored
$5890
current price $58.90$58.90/ca
VEVOR SplitCharge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR
55 out of 5 Stars. 5 reviews
YAHHU Relay Module 1 Channel with Optocoupler Isolation Support High and Low Level Trigger Switch 30A 5V (4.33 inches / 11.0 cm) From $8.92
2 options
Available in additional 2 optionsFrom$892
YAHHU Relay Module 1 Channel with Optocoupler Isolation Support High and Low Level Trigger Switch 30A 5V (4.33 inches / 11.0 cm)
Kuman 5V 2-Channel Relay Module with Optocoupler Isolation, Low Level Trigger, 10A Relay Switch Expansion Board Compatible with Arduino, Raspberry Pi, STM32, MEGA 2560, Industrial Control $9.79
$979
current price $9.79Kuman 5V 2-Channel Relay Module with Optocoupler Isolation, Low Level Trigger, 10A Relay Switch Expansion Board Compatible with Arduino, Raspberry Pi, STM32, MEGA 2560, Industrial Control
NFTIGB 5V 8 Channel Solid State Relay Module with Fuse, High Level Trigger, 2A - 11.0 inches / 27.9 cm $16.25
$1625
current price $16.25NFTIGB 5V 8 Channel Solid State Relay Module with Fuse, High Level Trigger, 2A - 11.0 inches / 27.9 cm
With Led Current Detection Sensor Module Digital Display 4-20mA Relay Module Component DC12V $3.62
$362
current price $3.62With Led Current Detection Sensor Module Digital Display 4-20mA Relay Module Component DC12V
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M Buder 4 Channel Relay Module ESP8266 Chip WiFi Wireless Control Quad Relay Board for Electronic Equipment DC12V, 3.94 inches / 10 cm Length, Smart Home Automation Component
2 options
Available in additional 2 optionsM Buder 4 Channel Relay Module ESP8266 Chip WiFi Wireless Control Quad Relay Board for Electronic Equipment DC12V, 3.94 inches / 10 cm Length, Smart Home Automation Component
M Buder 4 Channel 30A Relay Module High Low Level Trigger with Optocoupler Isolation 12V Electrical Circuit Control Board 5.1 x 2.8 x 0.9 inches / 129 x 72 x 22 mm
M Buder 4 Channel 30A Relay Module High Low Level Trigger with Optocoupler Isolation 12V Electrical Circuit Control Board 5.1 x 2.8 x 0.9 inches / 129 x 72 x 22 mm
Woudy 92029 Relay Board Replacement Parts for Dacor Range Oven Replace DE81-08448A 62439 82993 PCB $139.99 Was $169.99
Sponsored
Now$13999
current price Now $139.99, Was $169.99$169.99
Woudy 92029 Relay Board Replacement Parts for Dacor Range Oven Replace DE81-08448A 62439 82993 PCB
MATI Starter Solenoid Relay with Plug Spark for Yamaha Grizzly 350 400 450 660 2002-2014 $15.99
Sponsored
$1599
current price $15.99MATI Starter Solenoid Relay with Plug Spark for Yamaha Grizzly 350 400 450 660 2002-2014
YAHHU 8 Channel Relay Module 8CH Input Output RS485 TTL Communication Interface DC 12V 5.6 inches / 14.3 cm $20.45
$2045
current price $20.45YAHHU 8 Channel Relay Module 8CH Input Output RS485 TTL Communication Interface DC 12V 5.6 inches / 14.3 cm
M Buder 8 Channel Optocoupler Relay Module Board High & Low Level Trigger 5V AC 250V 10A DC 30V 10A Fault-Tolerant Design for Electrical Systems and Industrial Control Applications From $12.15
3 options
Available in additional 3 optionsFrom$1215
M Buder 8 Channel Optocoupler Relay Module Board High & Low Level Trigger 5V AC 250V 10A DC 30V 10A Fault-Tolerant Design for Electrical Systems and Industrial Control Applications
Tibvox 5V/12V/24V Relays Shield Module 16 Channel Relays Module with Optocoupler LM2576 Microcontrollers Interface Power Relays From $19.16
From$1916
Tibvox 5V/12V/24V Relays Shield Module 16 Channel Relays Module with Optocoupler LM2576 Microcontrollers Interface Power Relays
Rupoun 4 Channel Relay Module 30A Circuit Automatic Control High Low Level Trigger 5V [cite: 11] $16.54
![Rupoun 4 Channel Relay Module 30A Circuit Automatic Control High Low Level Trigger 5V [cite: 11]](https://i5.walmartimages.com/seo/Rupoun-4-Channel-Relay-Module-30A-Circuit-Automatic-Control-High-Low-Level-Trigger-5V-cite-11_2bab7f22-22d4-47fe-ae92-f444984a2a00.1c272b650aa30b4fe61041b44698b47e.jpeg?odnHeight=576&odnWidth=576&odnBg=FFFFFF)
$1654
current price $16.54Rupoun 4 Channel Relay Module 30A Circuit Automatic Control High Low Level Trigger 5V [cite: 11]
NFTIGB 8 Channel 5V USB Relay Module Control Board Type C Interface Optocoupler Protective Chip USB Smart Relay Module 5.12 inches / 13.0 cm $30.84
$3084
current price $30.84NFTIGB 8 Channel 5V USB Relay Module Control Board Type C Interface Optocoupler Protective Chip USB Smart Relay Module 5.12 inches / 13.0 cm
Riousery DC12V Time Delay Relay Module LED Digital Display Control Timer Switch Trigger, Adjustable 0.1s to 999h (2.5 x 1.4 x 0.7 inches / 64.2 x 34.8 x 18.5 mm) $11.55
$1155
current price $11.55Riousery DC12V Time Delay Relay Module LED Digital Display Control Timer Switch Trigger, Adjustable 0.1s to 999h (2.5 x 1.4 x 0.7 inches / 64.2 x 34.8 x 18.5 mm)
NFTIGB Drive Free Relay Module Plug and Play HID Computer Intelligent USB Control Switch for PC Smart Controller, 1 Channel 5V Relay Board for Home Automation Systems (3.93 inches / 10 cm) $9.29
$929
current price $9.29NFTIGB Drive Free Relay Module Plug and Play HID Computer Intelligent USB Control Switch for PC Smart Controller, 1 Channel 5V Relay Board for Home Automation Systems (3.93 inches / 10 cm)
NFTIGB 4 Channel Wireless Relay Module 4DI 4DO 433M RS485 Transmitter Receiver Relay with Antenna DC 12V 5.7 inches / 144 mm Industrial Home Automation Control Switch Board System
NFTIGB 4 Channel Wireless Relay Module 4DI 4DO 433M RS485 Transmitter Receiver Relay with Antenna DC 12V 5.7 inches / 144 mm Industrial Home Automation Control Switch Board System
LR2-13 9-13A 3-Pole Motor Protection Thermal Overload Relay $13.89
Sponsored
$1389
current price $13.89LR2-13 9-13A 3-Pole Motor Protection Thermal Overload Relay
KFFKFF Split Charge Relay Voltage Sense Relay 12V 140A Dual Battery Isolator $25.99 $25.99/ca
Sponsored
$2599
current price $25.99$25.99/ca
KFFKFF Split Charge Relay Voltage Sense Relay 12V 140A Dual Battery Isolator
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Riousery 1 Channel Optocoupler Relay Module Board High & Low Trigger 24V Replacement Electrical System Control High Capacity Load AC 250V 10A DC 30V 10A Fault Tolerant Green Red LED Indicator
3 options
Available in additional 3 optionsRiousery 1 Channel Optocoupler Relay Module Board High & Low Trigger 24V Replacement Electrical System Control High Capacity Load AC 250V 10A DC 30V 10A Fault Tolerant Green Red LED Indicator
Riousery 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PCB Board for PLC Extension Industrial Components 9.05 inches / 23 cm $33.24
$3324
current price $33.24Riousery 12V 16 Channel RS485 Relay Module Modbus RTU Protocol Remote Control PCB Board for PLC Extension Industrial Components 9.05 inches / 23 cm
Riousery 2 Channel 30A 24V Electrical System Relay Module Board with Opto Couplers Isolation Support Low and High Level Trigger, Green Color, 3.94 inches / 10 cm, Premium Electronic Component, 1 Pack
Riousery 2 Channel 30A 24V Electrical System Relay Module Board with Opto Couplers Isolation Support Low and High Level Trigger, Green Color, 3.94 inches / 10 cm, Premium Electronic Component, 1 Pack
250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU $6.39
$639
current price $6.39250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU
Octpeak 2 Pcs DC 5V Humidity Sensor Relay Switch Module PCB Humidity Control Switch Module For Power Distribution,Relay Switch Module,Humidity SensorRelay Switch Module $7.62
$762
current price $7.62Octpeak 2 Pcs DC 5V Humidity Sensor Relay Switch Module PCB Humidity Control Switch Module For Power Distribution,Relay Switch Module,Humidity SensorRelay Switch Module
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BIMZUC Dual Channel Bluetooth Relay Module Plastic DC12V for Remote Control of Mobile APP Electrical System Switch Board 10meters 32.8ft Range 1 Count $13.62
$1362
current price $13.62BIMZUC Dual Channel Bluetooth Relay Module Plastic DC12V for Remote Control of Mobile APP Electrical System Switch Board 10meters 32.8ft Range 1 Count
2pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V $10.99
$1099
current price $10.992pcs 12V 30A One Channel Relay Module Optocoupler Isolation High and Low Trigger 12V
KarParts360 For Dodge Durango 2011 2012 2013 Mini Relay | High Current $40.36
Sponsored
$4036
current price $40.36KarParts360 For Dodge Durango 2011 2012 2013 Mini Relay | High Current
KFFKFF Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR, Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats $52.06 Was $65.99 $52.06/ca
Sponsored
Now$5206
current price Now $52.06, Was $65.99$65.99
$52.06/ca
KFFKFF Split Charge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR, Compatible with RV Marine Car Vehicle Truck Caravan Camper Yacht ATV UTV Boats
Fuse Box Relay Module For Mercedes W205 W222 W166 W204 W447 A0009822223 $68.14
$6814
current price $68.14Fuse Box Relay Module For Mercedes W205 W222 W166 W204 W447 A0009822223
DC 5V/12V/24V 10A Adjustable Time Delay Relay Module Timer Control Switch
DC 5V/12V/24V 10A Adjustable Time Delay Relay Module Timer Control Switch
Clearance Universal Wireless Remote Control Receiver Relay Module, 12V DC, 315/433MHz RF Transmitter for Smart Home Automation $7.10 Was $8.23
Now$710
current price Now $7.10, Was $8.23$8.23
Universal Wireless Remote Control Receiver Relay Module, 12V DC, 315/433MHz RF Transmitter for Smart Home Automation
2 Pieces Single-Phase Solid State Relay Module SSR-40DA 3-32VDC Output 24-380VAC $14.91
$1491
current price $14.912 Pieces Single-Phase Solid State Relay Module SSR-40DA 3-32VDC Output 24-380VAC
RANMEI 1X 8Channel Relay Module High And Low Level Trigger Relay Control W/ Optocoupler
RANMEI 1X 8Channel Relay Module High And Low Level Trigger Relay Control W/ Optocoupler
4X 8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module -WROOM Development Board $104.24
$10424
current price $104.244X 8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module -WROOM Development Board
16 Channel Relays Module Board Microcontrollers Interfaces Power Relays with Optocoupler LM2576 Relays Shield Module From $15.29
From$1529
16 Channel Relays Module Board Microcontrollers Interfaces Power Relays with Optocoupler LM2576 Relays Shield Module
CIMAXIC 4Pcs Single Channel Relay Board Module with Indicator Light and Efficient Coil Impedance Control $6.08
$608
current price $6.08CIMAXIC 4Pcs Single Channel Relay Board Module with Indicator Light and Efficient Coil Impedance Control
5pcs 5V Single 1 Channel Relay Module Board Shield for Arduino for Raspberry Pi
5pcs 5V Single 1 Channel Relay Module Board Shield for Arduino for Raspberry Pi
RS485 Relays Module DC12V 32/16/8 Channel for Automation Home Systems with Modbus RTU Control
RS485 Relays Module DC12V 32/16/8 Channel for Automation Home Systems with Modbus RTU Control
Reduced price WiFi Remote Control Switch, 1-Way WiFi Relay Module 12V Relay Module For 1-Way WiFi Relay Module $10.00 Was $20.00
Now$1000
current price Now $10.00, Was $20.00$20.00
WiFi Remote Control Switch, 1-Way WiFi Relay Module 12V Relay Module For 1-Way WiFi Relay Module
13 out of 5 Stars. 1 reviews
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NEW 12V DC Delay Relay Turn on / Switch Module with Timer $7.12
$712
current price $7.12NEW 12V DC Delay Relay Turn on / Switch Module with Timer
Relay Module 5V 8 Channel Switch Relay Board with Optocoupler Isolation 8 Ways $8.95
$895
current price $8.95Relay Module 5V 8 Channel Switch Relay Board with Optocoupler Isolation 8 Ways
8-Ch RS485 Ethernet Relay Module Modbus RTU Protocol Various Isolation 30A High Current Relay Module $75.51
$7551
current price $75.518-Ch RS485 Ethernet Relay Module Modbus RTU Protocol Various Isolation 30A High Current Relay Module
4X Mini Smart WiFi Relay Switch, DIY Light Switch Module Smart Life/Tuya Application, Wireless Remote Control $17.99
$1799
current price $17.994X Mini Smart WiFi Relay Switch, DIY Light Switch Module Smart Life/Tuya Application, Wireless Remote Control
15 out of 5 Stars. 1 reviews
RJ45 IP Relay Remote Control Board 8Channel Relay Module Board 10A Relay Controller Relay Switch Controller Module,B $33.19
$3319
current price $33.19RJ45 IP Relay Remote Control Board 8Channel Relay Module Board 10A Relay Controller Relay Switch Controller Module,B
DC 12V Adjustable Timer Delay Turn OFF Module Timing Relay Time Switch 1~10sec, Delay Off Switch Module, Timer Relay Module $7.37 Was $9.39
Now$737
current price Now $7.37, Was $9.39$9.39
DC 12V Adjustable Timer Delay Turn OFF Module Timing Relay Time Switch 1~10sec, Delay Off Switch Module, Timer Relay Module
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