1 Channel 5V Solid State Relay Active Low SSR Module

SKU: Solid State Relay
Out of stock
EGP 100.000 exc. vat
Out of stock
SKU: Solid State Relay Categories: , , , Tags: , , , , , , , , ,

Description

Introduction

A solid state relay (SSR) is just what it sounds like; an IC that acts like a mechanical relay. They allow you to control high-voltage AC loads from lower voltage DC control circuitry. They accomplish this by using infrared light as the ‘contact,’ a solid-state relay SSR is really just an IR LED and a phototriac sealed up into a little box.

Solid state relays, have several advantages over mechanical relays. One such advantage is that they can be switched by a much lower voltage and at a much lower current than most mechanical relays. Also, because there’s no moving contacts, solid state relays can be switched much faster and for much longer periods without wearing out.

Features:

  • Size: 25*34*25 (Length*Width*Height)
  • Input voltage: 5VDC, Maximum Output Current: 2A, Maximum Output Voltage: 240VAC
  • Input Voltage of Control Signal: 0-2.5V (low level state), the relay will be on; 3-5V (high level state), the relay will be off.
  • Triggered at low level.

SSR Ports Description:

Input:

DC+: Connected to positive supply voltage (supply power according to relay voltage)
DC-: Connected to negative supply voltage
CH1:Signal triggering terminal of relay module

The meaning of high and low level:
Triggered at high level means a forward voltage exists between signal triggering terminal (CH1) and negative supply voltage. It generally connects positive supply voltage and triggering terminal together. When triggering terminal has positive supply voltage or reaches triggering voltage, the relay will pull in.
While triggered at low level means the voltage between the signal triggering terminal (CH1) and negative supply voltage is 0V, or the voltage at the triggering terminal is lower than positive supply voltage. If it lowers to a triggering voltage, the relay will pull in. It generally connects negative supply voltage and triggering terminal together.

Output:

Connect a load: 2 A, 240 VAC

Input Rating:

Operating RangeOperating CurrentInput ImpedanceTrigger VoltageReset Voltage Rating
5VDC12.5mA440 Ω ±20%3.3~5v1V

Output (Under 25℃ environmental temperature)

Rated Load VoltageLoad Voltage RangeLoad CurrentSurge Current
AC100~240V 50/60HzAC75~264V 50/60Hz0.10 to 2 A30 A (60 Hz, 1 cycle)

SSR Application

General purpose

Testing Experiment

Experiment Principle:

When a low level is supplied to signal terminal of the solid state relay, the LED at the output terminal will light up. Otherwise, it will turn off. If a periodic high and low level is supplied to the signal terminal, you can see the LED will cycle between on and off.

Experiment Steps:

Connect the signal terminal (CH1) of solid state relay to digital port 7 of the SunFounder Uno board, and connect an LED at the output terminal. Upload the following code, then you can see the LED cycle between on and off.

Code

/********************************************** const int relayPin =7; //the Signal Pin of relay module attach to /**********************************************/ void setup() {   pinMode(relayPin, OUTPUT); //initialize relay as an output } /***********************************************/ void loop() {   digitalWrite(relayPin, LOW); //Close the relay   delay(3000); //wait for 3 second   digitalWrite(relayPin, HIGH); //disconnect the relay    delay(2000); //wait for 2 second } //*************************************************/

Additional information

Weight0.009 kg

Brand

UGE Electronics

UGE Electronics
UGE Electronics

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1 Channel 5V Solid State Relay Active Low SSR Module
1 Channel 5V Solid State Relay Active Low SSR Module EGP 100.000 exc. vat
Out of stock