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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$51.43
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
49% off
$51.43
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8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
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Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
913
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Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
913
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Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
851
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Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
851
$9.31
Allen-Bradley 700-HKX6A1 Slim Line Relay, 16A, SPDT, 120VAC, A
PLCHardware.com
$9.31
Allen-Bradley 700-HKX6A1 Slim Line Relay, 16A, SPDT, 120VAC, A
PLCHardware.com
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
199
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ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
199
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
Free shipping
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
$49.28
PAM1 Edwards Control Relay
Valin Process Control Solutions
$49.28
PAM1 Edwards Control Relay
Valin Process Control Solutions
$12.15
$16.96
385170240050 FINDER Relay Interface Module
Standard Electric Supply Co.
7
28% off
$12.15
$16.96
385170240050 FINDER Relay Interface Module
Standard Electric Supply Co.
7
$25.00
Rauland NCTVS1 Single Digital Pillow Speaker Isolation Relay (Digital
BEC Integrated
$25.00
Rauland NCTVS1 Single Digital Pillow Speaker Isolation Relay (Digital
BEC Integrated
$83.71
789-571 WAGO Latching Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$83.71
789-571 WAGO Latching Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$139.00
Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay
PLCHardware.com
1
$139.00
Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay
PLCHardware.com
1
$149.00
Allen-Bradley 440R-S13R2 Guardmaster Single Input Safety Relay A
PLCHardware.com
$149.00
Allen-Bradley 440R-S13R2 Guardmaster Single Input Safety Relay A
PLCHardware.com
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
Free shipping
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
Free shipping
$38.10
$44.60
Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/Dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing
Amazon.com
32
14% off
$38.10
$44.60
Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/Dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing
Amazon.com
32
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$54.49
Pro 1, 16A, Wifi And Bluetooth 1 Channel Smart Relay Switch, Home Automation, Remote Control, Dry Contacts
Home Depot
851
Free shipping
$54.49
Pro 1, 16A, Wifi And Bluetooth 1 Channel Smart Relay Switch, Home Automation, Remote Control, Dry Contacts
Home Depot
851
$59.14
Source 1 S1-02421678700 Control Relay 24V SPST
Voomi Supply
$59.14
Source 1 S1-02421678700 Control Relay 24V SPST
Voomi Supply
$59.86
857-724 WAGO Solid-State Relay Module
Standard Electric Supply Co.
$59.86
857-724 WAGO Solid-State Relay Module
Standard Electric Supply Co.
$66.99
Pro 1PM, 16A, Wi-Fi, LAN And Bluetooth, 1 Channel Smart Relay Switch With Power Metering, Home And Facility Automation
Home Depot
420
Free shipping
$66.99
Pro 1PM, 16A, Wi-Fi, LAN And Bluetooth, 1 Channel Smart Relay Switch With Power Metering, Home And Facility Automation
Home Depot
420
$90.00
Camden CM-RX-90 Advanced, Compact Single Relay Receiver
Southern Electronics
$90.00
Camden CM-RX-90 Advanced, Compact Single Relay Receiver
Southern Electronics
$21.99
1-Gen4, Wifi, Bluetooth And Zigbee Smart Relay Switch, Dry Contacts, 1-Channel 16A, Works W/ Google Home And Alexa, Blue
Home Depot
Free shipping
$21.99
1-Gen4, Wifi, Bluetooth And Zigbee Smart Relay Switch, Dry Contacts, 1-Channel 16A, Works W/ Google Home And Alexa, Blue
Home Depot
Free shipping
$104.63
Resideo RA89A1074 1 Zone 120V Switching Relay W/ Internal Transformer, 1 SPST Line Relay, RA89A1074 | Supplyhouse.Com
SupplyHouse.com
26
$104.63
Resideo RA89A1074 1 Zone 120V Switching Relay W/ Internal Transformer, 1 SPST Line Relay, RA89A1074 | Supplyhouse.Com
SupplyHouse.com
26
$86.29
Honeywell Home HPSR101 Hydronic Single Zone Switching Relay | Supplyhouse.Com
SupplyHouse.com
$86.29
Honeywell Home HPSR101 Hydronic Single Zone Switching Relay | Supplyhouse.Com
SupplyHouse.com
$7.99
2-Pack 5V Single Channel Relay Module Expansion Board
Evalm
$7.99
2-Pack 5V Single Channel Relay Module Expansion Board
Evalm
$22.00
ACI | PAM-1 | Relay | 10 Amp | Coil: 24 VAC Or VDC / 120 VAC
Blackhawk Supply
$22.00
ACI | PAM-1 | Relay | 10 Amp | Coil: 24 VAC Or VDC / 120 VAC
Blackhawk Supply
$47.75
Source 1 S1-02424116000 Control Relay 24V SPDT
Voomi Supply
$47.75
Source 1 S1-02424116000 Control Relay 24V SPDT
Voomi Supply
$26.05
5V One Channel Relay Module Relay Switch With Opto Isolation High Low
eBay
Free shipping
$26.05
5V One Channel Relay Module Relay Switch With Opto Isolation High Low
eBay
Free shipping
$173.41
Resideo RA89A1116 120V, 50-60 Hz Switching Relay With SPST Switching, RA89A1116 | Supplyhouse.Com
SupplyHouse.com
$173.41
Resideo RA89A1116 120V, 50-60 Hz Switching Relay With SPST Switching, RA89A1116 | Supplyhouse.Com
SupplyHouse.com
$104.33
Honeywell Hydronic Single Zone Switching Relay
Craft Supply
$104.33
Honeywell Hydronic Single Zone Switching Relay
Craft Supply
$95.81
8501CDO15V53 - Square D 24 VDC 30A 1-Pole SPDT Power Relay For Motor Control
Essential Electric Supply
$95.81
8501CDO15V53 - Square D 24 VDC 30A 1-Pole SPDT Power Relay For Motor Control
Essential Electric Supply
$62.56
$83.48
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 8 Channels) Pack Of 2
shedfriends
25% off
$62.56
$83.48
DIN Rail Mount AC/DC 5V 12V 24V SPST-NO 5Amp Power Relay Module (AC/DC 24V, 8 Channels) Pack Of 2
shedfriends
$33.46
1SNA607002R0700 TE Connectivity / ABB Entrelec Relay - R910 Series - SPST-NO - 24VDC - 5A - Screw Terminals - DIN Rail Mount..
Onlinecomponents.com
$33.46
1SNA607002R0700 TE Connectivity / ABB Entrelec Relay - R910 Series - SPST-NO - 24VDC - 5A - Screw Terminals - DIN Rail Mount..
Onlinecomponents.com
$54.69
$71.02
Camden CM-RX-90V2 Lazerpoint RF 915Mhz Advanced Single Relay Receiver
LocksmithKeyless
22% off
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$71.02
Camden CM-RX-90V2 Lazerpoint RF 915Mhz Advanced Single Relay Receiver
LocksmithKeyless
$313.56
1Pc Srb301mc-24V Brand Safety Relay
eBay
1
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1Pc Srb301mc-24V Brand Safety Relay
eBay
1
$96.50
Source 1 S1-02435664000 Zettler AZ2280-1A-24D Relay 24VDC 30A
Voomi Supply
$96.50
Source 1 S1-02435664000 Zettler AZ2280-1A-24D Relay 24VDC 30A
Voomi Supply
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Shop single channel relay

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$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$15.99
Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
138
$51.43
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
49% off
$51.43
$101.34
8501CO16V20 Square D Power Relay
Standard Electric Supply Co.
6
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
913
$28.49
Shelly 1 Mini Gen3 | Wifi Smart Switch Relay 1 Channel 8A | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | Ios Android
Amazon.com
913
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
851
Free shipping
$54.49
Shelly Pro 1 | Wi-Fi & LAN, 1-Channel Smart Relay Switch | Home Automation | Bluetooth Gateway | Compatible With Alexa & Google Home | No Hub Required
Amazon.com
851
$9.31
Allen-Bradley 700-HKX6A1 Slim Line Relay, 16A, SPDT, 120VAC, A
PLCHardware.com
$9.31
Allen-Bradley 700-HKX6A1 Slim Line Relay, 16A, SPDT, 120VAC, A
PLCHardware.com
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
199
$12.49
ANMBEST Relay Module With Optocoupler High/Low Level Trigger For Arduino (12, 12V Relay 8 Channel)
Amazon.com
199
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
Free shipping
$36.99
Shelly Wave 1PM US LR UL | Z-Wave Long Range Smart Switch Relay, 1-Channel 15 A With Power Metering | Home Automation | High Compatibility | Easy
Amazon.com
3
$49.28
PAM1 Edwards Control Relay
Valin Process Control Solutions
$49.28
PAM1 Edwards Control Relay
Valin Process Control Solutions
$12.15
$16.96
385170240050 FINDER Relay Interface Module
Standard Electric Supply Co.
7
28% off
$12.15
$16.96
385170240050 FINDER Relay Interface Module
Standard Electric Supply Co.
7
$25.00
Rauland NCTVS1 Single Digital Pillow Speaker Isolation Relay (Digital
BEC Integrated
$25.00
Rauland NCTVS1 Single Digital Pillow Speaker Isolation Relay (Digital
BEC Integrated
$83.71
789-571 WAGO Latching Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$83.71
789-571 WAGO Latching Relay Module, 24 VDC Nominal Input Voltage
Valin Process Control Solutions
$139.00
Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay
PLCHardware.com
1
$139.00
Allen-Bradley 440R-S12R2 Guardmaster Single Input Safety Relay
PLCHardware.com
1
$149.00
Allen-Bradley 440R-S13R2 Guardmaster Single Input Safety Relay A
PLCHardware.com
$149.00
Allen-Bradley 440R-S13R2 Guardmaster Single Input Safety Relay A
PLCHardware.com
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
Free shipping
$7.89
1Pcs 1 Channel 3V Relay Module 3.3V Low Level Shooting With Lamp
Walmart
Free shipping
$38.10
$44.60
Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/Dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing
Amazon.com
32
14% off
$38.10
$44.60
Functional Devices RIB2421B Power Relay, 20 Amp SPDT, 24 Vac/Dc/120 Vac/208-277 Vac Coil, NEMA 1 Housing
Amazon.com
32
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$2.99
1 Channel 3.3V Low Level Trigger Relay Module For Arduino With Optocoupler Isolation
Evalm
$54.49
Pro 1, 16A, Wifi And Bluetooth 1 Channel Smart Relay Switch, Home Automation, Remote Control, Dry Contacts
Home Depot
851
Free shipping
$54.49
Pro 1, 16A, Wifi And Bluetooth 1 Channel Smart Relay Switch, Home Automation, Remote Control, Dry Contacts
Home Depot
851
$59.14
Source 1 S1-02421678700 Control Relay 24V SPST
Voomi Supply
$59.14
Source 1 S1-02421678700 Control Relay 24V SPST
Voomi Supply