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Alarm SystemsAll Home SecurityBreakers, Distributors, and Load CentersDimmers, Switches, and Wall PlatesDoor HardwareElectrical ToolsElectrical Wire & CableElectronic Communication ComponentsFire SafetyGarage Door Openers and HardwareHome SafetyLight BulbsLight TimersSolderingThermostatsValves & Valve Repair
Relay Module(1000+)
Uses item details. Price when purchased online
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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RE68327 Relay, 12 Volt, 40 Amp Fits For John Deere Tractor $45.90

Sponsored
$4590
current price $45.90RE68327 Relay, 12 Volt, 40 Amp Fits For John Deere Tractor
Bosch Style 4 PIN Blade Post Relays SPST 325 Ohm NO:40A/14VDC NC:30A/14VDC $6.60

Sponsored
$660
current price $6.60Bosch Style 4 PIN Blade Post Relays SPST 325 Ohm NO:40A/14VDC NC:30A/14VDC
RAParts Starter Relay - Fits Ford - NCA11450A $18.99 Was $22.32

Sponsored
Now$1899
current price Now $18.99, Was $22.32$22.32
RAParts Starter Relay - Fits Ford - NCA11450A
Rayne's World 25A DD (DC to DC) Solid State Relay Module, Single Phase SSR, 3–32VDC Control, 12-220VDC Load, Panel Mount, Industrial Automation Switch From $14.99

8 options
Available in additional 8 optionsFrom$1499
Rayne's World 25A DD (DC to DC) Solid State Relay Module, Single Phase SSR, 3–32VDC Control, 12-220VDC Load, Panel Mount, Industrial Automation Switch
250V/10A 4 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU Arduino $6.89

$689
current price $6.89250V/10A 4 Channel SPDT Power Relay Module 5V Control for DIY PIC AVR DSP ARM MCU Arduino
EJYWPSWD SSR-25DA SSR-40DA SSR-40AA SSR-40DD SSR 10A 25A 40A 60A 80A 100A DD DA AA Solid State Relay Module for PID Temperature Control From $38.26
From$3826
EJYWPSWD SSR-25DA SSR-40DA SSR-40AA SSR-40DD SSR 10A 25A 40A 60A 80A 100A DD DA AA Solid State Relay Module for PID Temperature Control
EJYWPSWD Ultra Thin Relay Module DIN Rail Mounting HF41F 12-ZS 24-ZS Ultra Slim Ultra-thin Electromagnetic Relay DC 12V 24V 6A with LED

3 options
Available in additional 3 optionsEJYWPSWD Ultra Thin Relay Module DIN Rail Mounting HF41F 12-ZS 24-ZS Ultra Slim Ultra-thin Electromagnetic Relay DC 12V 24V 6A with LED
CSYANXING US Tarp 13994 EZ Relay Forward Reverse 12V 80A Intermittent 50A Continuous Buyers Mountain Tarp Relay Module $25.95

$2595
current price $25.95CSYANXING US Tarp 13994 EZ Relay Forward Reverse 12V 80A Intermittent 50A Continuous Buyers Mountain Tarp Relay Module
501 Parts 4 Pin 20A Relay Compatible with Arctic Cat ATV UTV and Snowmobiles OEM Part #0430-045 & 0630-391 $14.99

Sponsored
$1499
current price $14.99501 Parts 4 Pin 20A Relay Compatible with Arctic Cat ATV UTV and Snowmobiles OEM Part #0430-045 & 0630-391
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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
250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU $5.89

$589
current price $5.89250V/10A 1 Channel SPDT Power Relay Module 5V Control for Arduino DIY PIC AVR DSP ARM MCU
3X 16 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary Development Module,3 x DC Powered ESP32 16 Way Relay Module 6 x Pin Header $66.99

$6699
current price $66.993X 16 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary Development Module,3 x DC Powered ESP32 16 Way Relay Module 6 x Pin Header
32 Channel Relay Module Development Board DC Power Supply WIFI Bluetooth Relay Module ESP32-WROOM $36.31 Was $41.04

Now$3631
current price Now $36.31, Was $41.04$41.04
32 Channel Relay Module Development Board DC Power Supply WIFI Bluetooth Relay Module ESP32-WROOM
Uxcell 2 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 30A High or Low Level Trigger $14.41

$1441
current price $14.41Uxcell 2 Pcs DC 12V 1 Channel Relay Module Switch Board Shield 30A High or Low Level Trigger
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board From $23.96

4 options
Available in additional 4 optionsFrom$2396
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay Module Board
Reduced price MSD 7566-2 Two Channel Relay Module $91.75 Was $101.95

Now$9175
current price Now $91.75, Was $101.95$101.95
MSD 7566-2 Two Channel Relay Module
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Reduced price Relay 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional Was $25.75

Relay 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional
DC 9V 12V 24V Digital Voltage Control Relay Module Relay Switch Control Board Module LED Voltmeter Charging Discharge Monitor

3 options
Available in additional 3 optionsDC 9V 12V 24V Digital Voltage Control Relay Module Relay Switch Control Board Module LED Voltmeter Charging Discharge Monitor
VEVOR SplitCharge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR $49.47 $49.47/ca

Sponsored
$4947
current price $49.47$49.47/ca
VEVOR SplitCharge Relay Kit, 6mtr 12V, Automatic Dual Battery Isolator Kit with 140AMP Voltage Sense Relay VSR
45 out of 5 Stars. 4 reviews
Set of (6) Relay Assembly fits MTD Auto Drive Riding Mowers Snowblowers 725-1648 $73.99 Was $82.99

Sponsored
Now$7399
current price Now $73.99, Was $82.99$82.99
Set of (6) Relay Assembly fits MTD Auto Drive Riding Mowers Snowblowers 725-1648
FOR 1 Channels relay module DIN Rail Mount SRD-05VDC-SL-C SRD-12VDC-SL-C SRD-24VDC-SL-C 10A 5V 12V 24V DC PNP NPN compatible 1NO $27.99

$2799
current price $27.99FOR 1 Channels relay module DIN Rail Mount SRD-05VDC-SL-C SRD-12VDC-SL-C SRD-24VDC-SL-C 10A 5V 12V 24V DC PNP NPN compatible 1NO
Delay Relay Module Controller 7.1*3.9*2.5cm DC12V Digital Timer Switch $10.73

$1073
current price $10.73Delay Relay Module Controller 7.1*3.9*2.5cm DC12V Digital Timer Switch
SENRISE Relay Module AC 250V/10A DC 30V/10A 1-8 Channel Choice From $6.58

8 options
Available in additional 8 optionsFrom$658
SENRISE Relay Module AC 250V/10A DC 30V/10A 1-8 Channel Choice
2X 16 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary Development Module $39.86

$3986
current price $39.862X 16 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary Development Module
EJYWPSWD Ssr Relay Module 6/8 Channel Common Positive/Negative Din Mounted Relay Solid State 5a 24vdc From $37.01
From$3701
EJYWPSWD Ssr Relay Module 6/8 Channel Common Positive/Negative Din Mounted Relay Solid State 5a 24vdc
433Mhz Universal Wireless Remote Control Switch DC 12V 1CH Relay Receiver Module RF Transmitter EV1527 Learning Code Remote Switch Momentary Toggle Latched for Gate Door Open,LED,Pump,car From $8.89
From$889
433Mhz Universal Wireless Remote Control Switch DC 12V 1CH Relay Receiver Module RF Transmitter EV1527 Learning Code Remote Switch Momentary Toggle Latched for Gate Door Open,LED,Pump,car
Altronix Relay Module 6/12/24VDC 30Ma DPDT, Relay, - RBST $22.38 Was $26.25

Now$2238
current price Now $22.38, Was $26.25$26.25
Altronix Relay Module 6/12/24VDC 30Ma DPDT, Relay, - RBST
8 Channel Solid State Relay Module Board PLC Driver DC5V 12V 24V High / Low Level Trigger With LED Indicators

8 Channel Solid State Relay Module Board PLC Driver DC5V 12V 24V High / Low Level Trigger With LED Indicators
Replacement Upgraded 40 Amp Relay Compatible with Honda Goldwing GL1500 / Omron G8MS-30/38370-MN5-003 and 38380-MN5-003 $18.99

Sponsored
$1899
current price $18.99Replacement Upgraded 40 Amp Relay Compatible with Honda Goldwing GL1500 / Omron G8MS-30/38370-MN5-003 and 38380-MN5-003
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KarParts360 For Dodge Ram 1500 2001 Electrical Relay Package | At Courtesy Light | With Adjustable Pedal Relay $80.74

Sponsored
$8074
current price $80.74KarParts360 For Dodge Ram 1500 2001 Electrical Relay Package | At Courtesy Light | With Adjustable Pedal Relay
10pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level,10 * Relay Module $12.39

$1239
current price $12.3910pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level,10 * Relay Module
Altronix Sensitive Relay Module 12/24VDC 15Ma DPDT, Relay, - RBSN $20.83 Was $25.56

Now$2083
current price Now $20.83, Was $25.56$25.56
Altronix Sensitive Relay Module 12/24VDC 15Ma DPDT, Relay, - RBSN
16 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary $26.87

$2687
current price $26.8716 Channel Relay Module DC5-12V Power Supply ESP32 Development Board ESP32-WROOM Secondary
Industrial Grade 8CH Relay Module RS485 Interface Relay Modbus RTU Protocol Control Optocoupler Isolation,1 x 8-way relay $30.09

$3009
current price $30.09Industrial Grade 8CH Relay Module RS485 Interface Relay Modbus RTU Protocol Control Optocoupler Isolation,1 x 8-way relay
High Power Four Way Relay Module Control Panel Optocoupler Isolation 30A YYG4 DC12V $16.38

$1638
current price $16.38High Power Four Way Relay Module Control Panel Optocoupler Isolation 30A YYG4 DC12V
DIN-Rail 4 Channel Relay Module Modbus RTU Protocol RS485 High Current Relay Module Variety Isolation Protection Circuit,1 * Relay Modules,Black $41.19

$4119
current price $41.19DIN-Rail 4 Channel Relay Module Modbus RTU Protocol RS485 High Current Relay Module Variety Isolation Protection Circuit,1 * Relay Modules,Black
Altronix Relay Module 6/12VDC 120Ma DPDT, Relay, - RB5 $14.53

$1453
current price $14.53Altronix Relay Module 6/12VDC 120Ma DPDT, Relay, - RB5
EJYWPSWD SSR-25DA SSR-40DA SSR 10A 25A 40A 60A 80A 100A DA Solid State Relay Module for PID Temperature Control From $30.32

7 options
Available in additional 7 optionsFrom$3032
EJYWPSWD SSR-25DA SSR-40DA SSR 10A 25A 40A 60A 80A 100A DA Solid State Relay Module for PID Temperature Control
2X 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board $33.49

$3349
current price $33.492X 4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board $26.02

$2602
current price $26.028 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
Reduced price MSD 7566-4 Four Channel Relay Module $145.75 Was $161.95

Now$14575
current price Now $145.75, Was $161.95$161.95
MSD 7566-4 Four Channel Relay Module
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Tuya Smart Life Dry Contact Relay WiFi Module Switch Timer App Remote Control 5A DC12V 24V AC100-240V $11.38

$1138
current price $11.38Tuya Smart Life Dry Contact Relay WiFi Module Switch Timer App Remote Control 5A DC12V 24V AC100-240V
EJYWPSWD Fwd Rev Switch Forward Backward Reverse High Power Relay Module for Single Phase 24-480vac Ac 220v Motor Control 5v 12v 24v

3 options
Available in additional 3 optionsEJYWPSWD Fwd Rev Switch Forward Backward Reverse High Power Relay Module for Single Phase 24-480vac Ac 220v Motor Control 5v 12v 24v
1pc 12V 1/2/4/8 Channel Solid State Relay Module With Fuse Protection Function For PLC Automation Control IoT Applications From $13.07
From$1307
1pc 12V 1/2/4/8 Channel Solid State Relay Module With Fuse Protection Function For PLC Automation Control IoT Applications
Reduced price 5v 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional From $13.98

2 options
Available in additional 2 optionsFrom$1398
5v 4 Channel Relay Module 30A Load Current With Optocoupler Isolation Supports High And Low Triger 5V 12Volt 24Volt Optional
20pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level,20 x Relay Module $20.89

$2089
current price $20.8920pcs Relay Module DC 12V Relay Board 1 Channel with Optocoupler Isolation Support High or Low Level,20 x Relay Module
52Pi 4 Channel Relay Board Module for Raspberry Pi, Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming Required/Programmable) $18.99

$1899
current price $18.9952Pi 4 Channel Relay Board Module for Raspberry Pi, Power Relay Module for Raspberry Pi 4B & Raspberry Pi 3 Model B+ & Raspberry Pi 3/2 Model B (No Programming Required/Programmable)
✪ 5-24VDC 110V-220VAC LED Display Digital Time Delay Relay Module Timing Delay Cycle Timer Relay Control Switch Time Relay Module From $11.14

4 options
Available in additional 4 optionsFrom$1114
✪ 5-24VDC 110V-220VAC LED Display Digital Time Delay Relay Module Timing Delay Cycle Timer Relay Control Switch Time Relay Module
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