4 Channel 5V Opto Isolated Relay Module - Retired

Model : MOD-00144

Supplier : Techshop Bangladesh

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4 channel 5v opto isolated relay module, 4 channel 5v relay module, 4 channel relay module, 5 volt 4 channel relay module, 5v relay module, 5v relay module for arduino.

4 Channel 5V Opto Isolated Relay Module is a simple relay board. 4 channel relay board works from a 5V supply to JVCC for the relays and 0V for the switching signal to activate relays . It uses a transistor to drive the relay & optocoupler is used to separate the output. Using this relay board you can easily control high power DC 30V/AC 250V devices or appliances using arduino or microcontroller. It can be connected directly to a microcontroller pin. It has 3 pin terminals each relay output NO COM NC. NO normally open with relay common pin. NC Normally connected with common.

  • 4 Independently Controlled Relays
  • Operating Voltage: 5V 
  • Power Indication: Red LED
  • Relay Output Status: Blue LED CH1, CH2, CH3, CH4
  • Board Dimension: 79.46 x 65 mm (3.12 x 2.55 Inch)
  • Mounting Holes: 71.76 x 57.78 mm (2.82 x 2.25 Inch)
  • Each relay output capacity: 220VAC / 10A
  • Three Terminal Output AC DC Control (NO COM NC)
  • Single Pole Double Throw Relay Output (SPDT)
  • Relay current consumption at 5V is 72mA each when switched on
  • Back EMF protection
  • VCC GND JCC Header for other board power supply
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Nightfuri | Jun 18,2018 at 11:26 AM
I want to buy this component before purchase I have one question.

What is the basic difference between normal and opto isolated relay module?
A.R | Jun 20,2018 at 10:15 AM
In opto isolated ones, opto couplers are used as isolation between two parts of the circuit.
Ehaque023 | Aug 16,2018 at 03:04 AM
Whats the benifit of isolation
A.R | Aug 16,2018 at 09:39 AM
The low voltage side(micrcontroller) will be electrically completely isolated from the high voltage(220V Ac load) side. So no chance of short circuit.
Shovonmondol0055 | Sep 22,2018 at 08:08 PM
Arduino er Vin port a to 12V er output paoa jay. Okhane theke ki ai module k power deoa jabe?
A.R | Sep 23,2018 at 09:39 AM
আপনি এই টিউটোরিয়ালটি ফলো করুন।
Ruposh | Sep 10,2019 at 04:09 PM
It says "0V apply for Relay Activate'. Normally arduino gives nearly 5v for signal output.So ho do I get 0V signal output from the pin to activate the relay?
A.R | Sep 12,2019 at 09:58 AM
Make the arduino pin LOW.
Shafeeadnan | Nov 3,2019 at 10:34 AM
What is the benefit of using pc817 optocoupler in this circui?

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