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4 channel relay module microcontroller suppliers

(853 products available)

Modbus-Rtu7-24V <strong>4</strong>-<strong>channel</strong> <strong>relay</strong> <strong>module</strong> switch input and output RS485/TTL anti-reverse connection - Product Image 1
Modbus-Rtu7-24V <strong>4</strong>-<strong>channel</strong> <strong>relay</strong> <strong>module</strong> switch input and output RS485/TTL anti-reverse connection - Product Image 2
Modbus-Rtu7-24V <strong>4</strong>-<strong>channel</strong> <strong>relay</strong> <strong>module</strong> switch input and output RS485/TTL anti-reverse connection - Product Image 3

Modbus-Rtu7-24V 4-channel relay module switch input and output RS485/TTL anti-reverse connection

$3.50-7
Min. order: 1 piece
new lowest 5V <strong>4</strong> <strong>Channel</strong> <strong>4</strong> way DC 5v 12V 24V <strong>Relay</strong> <strong>Module</strong> With Optocoupler Isolation - Product Image 1
new lowest 5V <strong>4</strong> <strong>Channel</strong> <strong>4</strong> way DC 5v 12V 24V <strong>Relay</strong> <strong>Module</strong> With Optocoupler Isolation - Product Image 2

new lowest 5V 4 Channel 4 way DC 5v 12V 24V Relay Module With Optocoupler Isolation

Ready to Ship
$1-1.30
Min. order: 2 pieces
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 1
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 2
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 3
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 4
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 5
Original 5V 1 2 <strong>4</strong> 6 8 <strong>Channel</strong> Optocoupler <strong>Relay</strong> <strong>Module</strong> for Arduino Blue 12V 24V <strong>Relay</strong> Output Electronic <strong>Modules</strong> and Kits - Product Image 6

Original 5V 1 2 4 6 8 Channel Optocoupler Relay Module for Arduino Blue 12V 24V Relay Output Electronic Modules and Kits

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$0.39-0.67
Min. order: 1 piece
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 1
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 2
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 3
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 4
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 5
1 2 <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> 5V 30A High And Low Level Trigger PLC Automatic Control <strong>Module</strong> Without Guide Rail For Smart Home - Product Image 6

1 2 4 Channel Relay Module 5V 30A High And Low Level Trigger PLC Automatic Control Module Without Guide Rail For Smart Home

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$0.50
Min. order: 10 pieces
1/2/<strong>4</strong>/6/8 <strong>Channel</strong> Road 5V/12V/24V <strong>Relay</strong> <strong>Module</strong> with Optocoupler Isolation to Support High/low Level Trigger Development Board - Product Image 1

1/2/4/6/8 Channel Road 5V/12V/24V Relay Module with Optocoupler Isolation to Support High/low Level Trigger Development Board

$0.10-0.50
Min. order: 10 pieces
Chengsuchuang 5V <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> For Arduino Development Board - Product Image 1
Chengsuchuang 5V <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> For Arduino Development Board - Product Image 2
Chengsuchuang 5V <strong>4</strong> <strong>Channel</strong> <strong>Relay</strong> <strong>Module</strong> For Arduino Development Board - Product Image 3

Chengsuchuang 5V 4 Channel Relay Module For Arduino Development Board

Ready to Ship
$1-1.80
Min. order: 10 pieces
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 1
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 2
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 3
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 4
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 5
NEW 1 2 <strong>4</strong> 6 8 <strong>channel</strong> <strong>module</strong> With optocoupler isolation 12V 5V <strong>relay</strong> <strong>module</strong> - Product Image 6

NEW 1 2 4 6 8 channel module With optocoupler isolation 12V 5V relay module

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$0.31-0.49
$0.35-0.55
-10%
Min. order: 10 pieces
1/2/<strong>4</strong>/6/8 <strong>channel</strong> 5V12V24V <strong>relay</strong> <strong>module</strong> with optocoupler isolation high/low level trigger development board - Product Image 1
1/2/<strong>4</strong>/6/8 <strong>channel</strong> 5V12V24V <strong>relay</strong> <strong>module</strong> with optocoupler isolation high/low level trigger development board - Product Image 2

1/2/4/6/8 channel 5V12V24V relay module with optocoupler isolation high/low level trigger development board

$0.50-1
Min. order: 1 piece

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