Shop Opto-Isolated Relay Module

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$6.64
$13.27
12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module
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49% off
$6.64
$13.27
12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module
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1 Channel 3V/3.3V Relay Module High Level Trigger With Optocoupler Isolation 10A 250VAC/30VDC Drive
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1 Channel 3V/3.3V Relay Module High Level Trigger With Optocoupler Isolation 10A 250VAC/30VDC Drive
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10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
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10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
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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
75
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Dafurui 5V Relay Module8pack 1 Channel Relay Module 5V Relays Board With Optocoupler Support High/Low Level Trigger For Arduino Relays
Amazon.com
$11.74
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$11.74
4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
Aliexpress
$1.66
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Three 3 Channel High-Voltage Relay Module With Opto-Isolated, Fully Compatible With 3.3V And 12V
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Three 3 Channel High-Voltage Relay Module With Opto-Isolated, Fully Compatible With 3.3V And 12V
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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$1.10
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
Aliexpress
Free shipping
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5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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$0.97
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3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
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Free shipping
25% off
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3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
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$4.05
1 Channel DC3-24V Optocoupler Isolation Module Relay Board Adaptive SCR Solid State Relay Switch
Aliexpress
$4.05
1 Channel DC3-24V Optocoupler Isolation Module Relay Board Adaptive SCR Solid State Relay Switch
Aliexpress
$23.99
$25.99
Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X
Amazon.com
8
$23.99
$25.99
Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X
Amazon.com
$1.19
Relay Module 5V12V24V With Optocoupler Isolation 12 4 8 Electromagnetic High And Low Level Trigger
Aliexpress
$1.19
Relay Module 5V12V24V With Optocoupler Isolation 12 4 8 Electromagnetic High And Low Level Trigger
Aliexpress
$0.77
$0.87
5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
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11% off
$0.77
$0.87
5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
Aliexpress
$2.44
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$2.44
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$7.08
1/2/4 Channel Relay Module High Current With Optocoupler Isolation High And Low Level Trigger 5V 12V
Aliexpress
Free shipping
$7.08
1/2/4 Channel Relay Module High Current With Optocoupler Isolation High And Low Level Trigger 5V 12V
Aliexpress
$1.43
$1.50
5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
Aliexpress
$1.43
$1.50
5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
Aliexpress
$1.30
$1.71
3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
23% off
$1.30
$1.71
3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
Aliexpress
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ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.56
ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$1.11
$1.44
3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
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$1.11
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3.3V 5V 12V 24V 1 Channel Relay Module High And Low Level Trigger Dual Optocoupler Isolation Relay
Aliexpress
$1.12
$1.81
1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
Free shipping
38% off
$1.12
$1.81
1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
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$5.31
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4 Channel Relay Module 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
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22% off
$5.31
$6.88
4 Channel Relay Module 5V 12V 24V Board Shield With Optocoupler Isolation Support High And Low Level
Aliexpress
$0.83
$0.94
5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
Aliexpress
11% off
$0.83
$0.94
5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
Aliexpress
$2.50
5V Relay Module 30A With Optocoupler 1 2 4 Channel With Guide Rail Frame Isolation Supports High And
Aliexpress
$2.50
5V Relay Module 30A With Optocoupler 1 2 4 Channel With Guide Rail Frame Isolation Supports High And
Aliexpress
$3.38
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$3.38
1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
Aliexpress
$5.98
$9.85
High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
Aliexpress
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$5.98
$9.85
High Level Trigger Relay Module Optocoupler Relay Module DC 3V/3.3V Isolated Drive Control Board
Aliexpress
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1 Relay Module With Optocoupler Isolation Support High And Low Level Triggering Expansion Board 5V
Aliexpress
Free shipping
$0.57
1 Relay Module With Optocoupler Isolation Support High And Low Level Triggering Expansion Board 5V
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    Shop Opto-Isolated Relay Module

    Sponsored
    About our ads
    $6.64
    $13.27
    12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module
    Aliexpress
    Free shipping
    49% off
    $6.64
    $13.27
    12V 8 Channel Relay Module With OPTO-Isolated High And Low Level Trigger 8 Ways Relay Switch Module
    Aliexpress
    $2.36
    1 Channel 3V/3.3V Relay Module High Level Trigger With Optocoupler Isolation 10A 250VAC/30VDC Drive
    Aliexpress
    $2.36
    1 Channel 3V/3.3V Relay Module High Level Trigger With Optocoupler Isolation 10A 250VAC/30VDC Drive
    Aliexpress
    $6.81
    10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
    Aliexpress
    $6.81
    10PCS 5V One Channel Relay Module Relay Switch With OPTO Isolation High Low Level Trigger For
    Aliexpress
    $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
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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
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    4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
    Aliexpress
    $11.74
    4-Channel DC 12V 30A Relay Module Control Board Optocoupler Isolation High/Low Trigger
    Aliexpress
    $1.66
    $1.88
    Three 3 Channel High-Voltage Relay Module With Opto-Isolated, Fully Compatible With 3.3V And 12V
    Aliexpress
    11% off
    $1.66
    $1.88
    Three 3 Channel High-Voltage Relay Module With Opto-Isolated, Fully Compatible With 3.3V And 12V
    Aliexpress
    $1.13
    $1.35
    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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    16% off
    $1.13
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    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
    Aliexpress
    $1.10
    $2.00
    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
    Aliexpress
    Free shipping
    45% off
    $1.10
    $2.00
    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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    3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
    Aliexpress
    Free shipping
    25% off
    $0.97
    $1.31
    3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
    Aliexpress
    $4.05
    1 Channel DC3-24V Optocoupler Isolation Module Relay Board Adaptive SCR Solid State Relay Switch
    Aliexpress
    $4.05
    1 Channel DC3-24V Optocoupler Isolation Module Relay Board Adaptive SCR Solid State Relay Switch
    Aliexpress
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    $25.99
    Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X
    Amazon.com
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    $23.99
    $25.99
    Kigeli 24 Pcs 5V Relay Module One Channel Switch With Optocoupler And Opto Isolation, Compatible With High And Low Level Triggers, 19.69 X 10.24 X
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    $1.19
    Relay Module 5V12V24V With Optocoupler Isolation 12 4 8 Electromagnetic High And Low Level Trigger
    Aliexpress
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    Relay Module 5V12V24V With Optocoupler Isolation 12 4 8 Electromagnetic High And Low Level Trigger
    Aliexpress
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    5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
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    5V 12V 24V Low-Level Trigger 1 Channel Relay Module Optocoupler Isolation PLC Control Drive Board
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    1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
    Aliexpress
    $2.44
    1 2 4 8 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
    Aliexpress
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    1/2/4 Channel Relay Module High Current With Optocoupler Isolation High And Low Level Trigger 5V 12V
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    Free shipping
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    1/2/4 Channel Relay Module High Current With Optocoupler Isolation High And Low Level Trigger 5V 12V
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    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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    5V 12V 24V 30A High Low Level Trigger 1 Channel Relay Module With Optocoupler Isolation Board Module
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    3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
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    3.3V 5V 3 Channel Relay Module 5Ma With Optocoupler Isolation Compatible Signal
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    ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
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    ONE 1 Channel Relay Module 30A With Optocoupler Isolation 5V 12V 24V Supports High And Low Triger
    Aliexpress