8-Channel 5V Relay Module with Opto Isolated inputs

8-Channel 5V Relay Module with Opto Isolated inputs
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Price: £14.40
(£12.00 + VAT)
Availability: 16
Model: 8RELAYBRD-5V
Average Rating: 4 out of 5 Stars!

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8-Channel 5V Relay Module with Opto Isolated inputs

If you want to switch up to 8 high current / high voltage loads from a microcontroller, this 5V relay board can do it.

It contains 8 x 5V relays rated at 10A/250V AC (DC 30V/10A). Each relay is switched on/off by an opto-isolated digital input that can be connected directly to a microcontroller output pin. It only requires a voltage of approx 1.0V to switch the inputs on but can handle input voltages up to 5V. This makes it ideal for both 5V and 3.3V devices.

Board Size: 14cm x 5.5cm

Features

  • 8x 5V relays
  • Each relay rated at 10A / 250V
  • Each relay consumes approx 30mA when switched on (at 5V)
  • Power supply 5V
  • Fully Opto-isolated input signals
  • Input signals from 1.0V to 5V
  • Individual indicator LEDS for each relay
  • Power On LED indicator
  • Isolated Input GND
  • 4x mounting holes

Connection

Relay Board wiring

Power Supply

A supply voltage of 5V should be connected to the VCC and GND pins. This is used to power the relay coils when they are switched on. A power Indicator LED indicates power is supplied.

DO NOT apply power the wrong way round. This can seriously damage the components on the board

Input Signals

Opto-isolated input signals should be supplied between the COM pin (signal GND) and each input pin. There is a shorting link which links the signal ground to the power ground. If you want full isolation for your microcontroller from potentially noisy relays, this link can be removed.

 

Documents

Relay Datasheet

 

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8-Channel 5V Relay Module with Opto Isolated inputs
Click to enlarge
8-Channel 5V Relay Module with Opto Isolated inputs
Click to enlarge
8-Channel 5V Relay Module with Opto Isolated inputs
$ 14.40 New In Stock
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