Relay module 1 channel with optoisolation - 10A/250VAC contacts 5V coil

Index: MOD-01997 EAN: 5904422359096

The module is equipped with relay SRD-05 with coil powered with a voltage of 5 V with optical isolation of input and mounting holes. The system allows you to control actuators with microcontroller ports or with any commissioning set.

Relay module 1 channel with optoisolation - 10A/250VAC contacts 5V coil
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Manufacturer: OEM


  • The supply voltage VCC: 5 V
  • Activated with low state
  • Relay JQC-3FF-S-Z (documentation)
  • Parameters of contacts for resistive load:
    • 125 VAC / 15 A
    • 250 VAC / 10 A
    • 250 VDC / 7 A
  • Optoisolation EL817 (documentation)
  • The dimensions of the board 53 x 28 mm
  • Diameter of mounting holes: 3 mm


* Maximum contact voltage depends on the type of load - details inthe documentationtab. Contact Data.


The module allows to control the actuators consuming the current up to 10 A using the microcontroller's ports or any commissioning set (includingArduino,Rasbperry PiandSTM32Discovery). Optoisolation seperates the control signal from the part associated with the power of relay, thereby providing work safety of the management system.


For proper operation, it is sufficient to mount the power supply of relay and digital control signal. Leads are the standardgoldpin strips with pitch of 2.54 mm which enables connecting via popular connecting cables.


Examples of application

  • Driver of lighting
  • The driver of actuators
  • Switch for electric devices, including motors



The module has three input leadsVCC, GND, IN. For the system to work correctly, you must connect the power supply 5 V to the VCC pin, ground GND and the input signal IN.


Output leads are describe as NO - disabled by default, NC - connected, by default,with COM. Indicating the low status on the IN pin, switches the relay and makes the connection between the COM and NO, disconnecting the COM from NC.



Channels 1
Interface Digital I / O
Test 3
Package width 10.5 cm
Package height 4 cm
Package depth 2 cm
Package weight 0.016 kg

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