Omron G3NA-210B-DC5-24 Solid State Relay, Zero Cross Function, Yellow Indicator, Optocoupler Isolation, 10 A Nominal

Description

What it is

The Omron G3NA-210B-DC5-24 solid state relay features a Zero Cross function, a yellow indicator, and a phototriac coupling isolator. This type of relay is designed to provide high-speed switching in applications requiring electrical control.

Features

• Type: Solid State Relay G3NA-210B-DC5-24
• Zero Cross Function
• Yellow Indicator
• Phototriac Coupling Isolator
• Nominal Current: 10 A

What it is for

Ideal for Arduino and ESP projects, the G3NA-210B relay can be used to control electrical devices in current protection applications. It is particularly useful for beginners and intermediates, allowing the creation of automatic lighting systems using a light detector.

Tutorial: How to use G3NA-210B

The G3NA-210B relay is ideal for controlling electrical devices in current protection applications. Useful for beginners and intermediates.

What you need

• G3NA-210B
• Arduino
• Phototriac
• Resistor

Steps

1. 1. Ensure the relay is functioning (check the datasheet).
2. 2. Connect the relay to the phototriac via the coupling capacitor.
3. 3. Connect the phototriac to the Arduino using a current-limiting resistor.
4. 4. Connect the relay to the current to be controlled.
5. 5. Load the Arduino code.
6. 6. Configure the Arduino pin to control the relay’s state.
7. 7. Test the relay using a yellow indicator as visual feedback.
8. 8. Verify the insulation and effectiveness of the relay.

Example code

```
void setup() {
  pinMode(2, OUTPUT);
}

void loop() {
  digitalWrite(2, HIGH);
  delay(5000);
  digitalWrite(2, LOW);
  delay(5000);
}
```

Mini project

Create an automatic lighting system using a light sensor and the G3NA-210B relay.

Common mistakes

• Connect the relay directly to the Arduino without a resistor.
• Omit the coupling capacitor between the relay and phototriac.
• Ignore the yellow indicator to verify the relay’s state.
• Do not verify the relay’s insulation.

Recommended accessories

• Arduino Uno
• Phototriac
• Coupling capacitor
• 1kΩ resistor

Frequently asked questions

How can I check the relay’s functionality?
Use the yellow indicator and verify the relay’s status with a multimeter.

What is the Zero Cross function?
It allows for safer and more efficient control of high-frequency currents.

Can I use this relay with an Arduino Nano?
Yes, the G3NA-210B is compatible with any Arduino.

How much current can the relay handle?
The relay can handle up to 10 A nominal.