



DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi
2.16$
1.19$
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1 Channel Relay Module with Optocoupler
Description:
100% brand new and high quality
1-Channel relay module,with photoelectric isolation
The module can be high or low by a jumper setting trigger
With power and relay action indicator
The module Operating voltage 5V
The module uses genuine quality relay,normally open interfaces
Maximum load: AC 250V/10A,DC 30V/10A
Module interface:
DC+: positive power supply (VCC)(5V)
DC-: negative power supply (GND)
IN: The control end,the driving current should be more than 4mACOM:
The control of loop of earth wir

2 Channel Relay Module with Optocoupler
Description:
1. Maximum load:AC 250V/10A,DC30V/10A
2. SMD optocoupler isolation,strong driving ability,stable performance; trigger current 5mA
3. the module voltage 5V
4. each channel module can be set high or low triggered by jumper
5. fault-tolerant design,even if the control line is broken,the relay will not operate
6. power indicator (green),4 relay state indicator (red)
7. interface design user-friendly,all interfaces are available through the wiring terminal direct connection leads,very convenient
Module Port:
1. DC+: DC power supply positive
2. DC-: DC power supply negative
3. IN1: Channel 1 signal trigger terminal
4. IN2: Channel 2 signal trigger terminal
5. IN3 : Channel 3 signal trigger terminal
6. IN4: Channel 4 signal trigger terminal
Relay Output:
1. NC1: Channel 1 relay normally closed pin.
2. COM1: Channel 1 relay common pin.
3. NO1: Channel 1 relay normally opened pin.
4. NC2: Channel 2 relay normally closed pin.
5. COM2: Channel 2 relay common pin.
6. NO2: Channel 2 relay normally opened pin.
7. NC3 : Channel 2 relay normally closed pin.
8. COM3: Channel 2 relay common pin.
9. NO3: Channel 2 relay normally opened pin.
10. NC4 : Channel 2 relay normally closed pin.
11. COM4: Channel 2 relay common pin.
12. NO4: Channel 2 relay normally opened pin.
High And Low Level Trigger Option:
1. S1: It is option switch for channel 1 relay.
2. S2: It is option switch for channel 2 relay.
3. S3 : It is option switch for channel 3 relay.
4. S4: It is option switch for channel 4 relay.

4 Channel Relay Module with Optocoupler
Description:
1. Maximum load:AC 250V/10A,DC30V/10A
2. SMD optocoupler isolation,strong driving ability,stable performance; trigger current 5mA
3. the module voltage 5V
4. each channel module can be set high or low triggered by jumper
5. fault-tolerant design,even if the control line is broken,the relay will not operate
6. power indicator (green),4 relay state indicator (red)
7. interface design user-friendly,all interfaces are available through the wiring terminal direct connection leads,very convenient
Module Port:
1. DC+: DC power supply positive
2. DC-: DC power supply negative
3. IN1: Channel 1 signal trigger terminal
4. IN2: Channel 2 signal trigger terminal
5. IN3 : Channel 3 signal trigger terminal
6. IN4: Channel 4 signal trigger terminal
Relay Output:
1. NC1: Channel 1 relay normally closed pin.
2. COM1: Channel 1 relay common pin.
3. NO1: Channel 1 relay normally opened pin.
4. NC2: Channel 2 relay normally closed pin.
5. COM2: Channel 2 relay common pin.
6. NO2: Channel 2 relay normally opened pin.
7. NC3 : Channel 2 relay normally closed pin.
8. COM3: Channel 2 relay common pin.
9. NO3: Channel 2 relay normally opened pin.
10. NC4 : Channel 2 relay normally closed pin.
11. COM4: Channel 2 relay common pin.
12. NO4: Channel 2 relay normally opened pin.
High And Low Level Trigger Option:
1. S1: It is option switch for channel 1 relay.
2. S2: It is option switch for channel 2 relay.
3. S3 : It is option switch for channel 3 relay.
4. S4: It is option switch for channel 4 relay.

8 Channel Relay Module with Optocoupler
Features:
1.Dual trigger design,use a dedicated two-way driver IC.
2.Strong resist interference,use diode continued current to protect it.
3.The relay contact part adopts double cloth line for large current,safe and reliable.
4.The input and output are 5.08mm wiring terminals,wiring is more convenient,suitable for PLC control.
5.Input terminals can be arbitrarily set high and low level,the control mode is more flexible.
6.Equipped with fixing screw hole,easy to install.
7.Each way module can be set high or low triggered by jumper.
Specifications:
Material: Metal
Mounting bolts holes: 4
Holes diameter: 3mm
Voltage: 5V
Maximum load : AC 250V/10A,DC 30V/10A
Interface:
VCC: Power end
GND: Ground strap
CTR1-CTR8: Signal input trigger
Outputs:
24 line interface,the interface can be directly connected to all leads,user-friendly.
NO1-NO8: normally open relay interfaces,relay before the vacant after the pull shorted with COM
COM1-COM8: Relay Common Interface
NC1-NC8: normally closed relay interface relay shorted with COM ago,after the pull- vacant

Customer Reviews
189 ratings
fast delivery (8)
works well (5)
high value for price (5)
attractive design (4)
good quality (4)
well-packaged (3)
Customer photos (19)
P***i
December 18, 2025
Variant: Size:4 Channel 12V Current Range:1 Pcs
All' okk thanks
Z***e
November 8, 2025
Variant: Size:4 Channel 5V Current Range:1 Pcs
Good
Buyer from United States
October 17, 2025
Variant: Size:4 Channel 24V Current Range:1 Pcs
Well packaged, delivered within the expected timeframe.
Translated by AliExpress ·
Buyer from Hungary
September 22, 2026
Variant: Size:4 Channel 24V Current Range:1 Pcs
Good product, unfortunately I missed that the signal input is 5V, the 24V is just the relay operating voltage, not the signal.
Translated by AliExpress ·
Buyer from Germany
September 7, 2026
Variant: Size:8 Channel 24V Current Range:1 Pcs
Everything was great! Would gladly come again! Good quality!
Translated by AliExpress ·
Buyer from Germany
September 7, 2026
Variant: Size:1 Channel 24V Current Range:1 Pcs
Everything was great! Would gladly come again! Good quality!
Translated by AliExpress ·
DC 5V 12V 24V 1 2 4 6 8 Channel Relay Module Board Shield with Optocoupler / High and Low Level Trigger for arduino Raspberry Pi
2.16$
1.19$
Quantity:
1
Availability:
Size
Current Range







