Using solid-state switching technology, this module provides fast response, zero noise, and long lifespan, making it ideal for automation systems, smart home projects, and microcontroller applications like Arduino, ESP32, ESP8266, and Raspberry Pi.

Built with optocoupler isolation and a high-quality SSR (such as G3MB-202P), the module ensures electrical safety and stable performance when switching AC loads.

Key Features

• ✔️ 12V DC trigger input
• ✔️ Silent switching (no clicking sound)
• ✔️ Zero-cross technology for smooth AC switching
• ✔️ Long-lasting solid-state design (no mechanical wear)
• ✔️ Fully isolated input/output for safety
• ✔️ Easy screw-terminal wiring
• ✔️ Compatible with Arduino, ESP32, ESP8266, Raspberry Pi, and PLCs

Specifications

• Input Voltage (Control): 12V DC
• Control Current: 5–20mA
• Output Voltage (Load): 75–264V AC
• Output Current: Up to 2A (depending on SSR chip model)
• Output Type: AC Solid-State (Triac-based)
• Switching Method: Zero-cross
• Isolation: Optocoupler
• Indicators: Onboard LED to show relay status
• Mounting: PCB with pre-drilled screw holes

Applications

• Smart home appliances
• Lighting and lamp control
• Fans, pumps, AC loads
• Humidifiers, small heaters
• Industrial automation
• IoT and microcontroller projects
• Noise-sensitive environments

Package Includes

• 1 × Single-Channel 12V Solid State Relay Module