G3NA-220B

Overview of Omron G3NA-220B

The Omron G3NA-220B is a single-phase solid state relay (SSR) designed for switching AC loads with a rated load current of 20 A and an operating voltage range of 100 to 240 VAC. This relay features a compact footprint with built-in zero-cross switching to reduce electrical noise and stress on the load. It is suitable for applications such as heater control and motor control in industrial automation settings.

Key Features of Omron G3NA-220B

• Load Voltage Range: Operates between 100 to 240 VAC with rated continuous load current of 20 A.
• Input Voltage: 5 to 24 VDC control voltage with a max input current of 7 mA.
• Zero-Cross Switching: Reduces surge current and provides smooth ON/OFF switching.
• Compact Design: Uniform mounting pitch and small size for easy integration.
• High Surge Current Capability: Able to tolerate high surge currents up to 150 A (60 Hz, 1 cycle).
• Built-in Varistor: Provides surge suppression to protect the device.
• Operating Temperature Range: -30°C to +80°C, suitable for harsh industrial environments.
• Insulation and Dielectric Strength: Insulation resistance of 100 MΩ (at 500 VDC) and dielectric strength up to 2500 VAC for 1 minute.

Technical Specs of Omron G3NA-220B

Applications / Use Case

The Omron G3NA-220B is widely used in industrial automation for controlling resistive and inductive AC loads such as heaters, motors, and lighting circuits where silent and rapid switching is desired.