⚙️ 4-Channel Solid State Relay (SSR) Module
Silent, Fast, and Reliable Switching for Your Automation Needs!
Control multiple high-power AC loads safely and efficiently with this 4-Channel SSR Module. Designed for long life, noise-free operation, and perfect compatibility with microcontrollers like Arduino, Raspberry Pi, and ESP32.
🔍 Specifications:
Channels: 4 Independent Solid-State Relays
Operating Voltage: 5V DC (input side)
Control Signal: TTL logic compatible (active LOW)
Load Voltage: 75–250V AC (depending on model type)
Max Load Current: Up to 2A per channel (typical)
Isolation: Optocoupler isolation for signal protection
Switch Type: Zero-cross trigger for safe AC switching
Indicator LEDs: Power and channel status indicators
💡 Features:
No mechanical noise — solid-state design for quiet operation
Long lifespan and high reliability (no physical contacts to wear out)
Optically isolated inputs for enhanced protection
Compatible with Arduino, Raspberry Pi, ESP8266, ESP32, STM32, etc.
Ideal for home automation, industrial control, lighting systems, and IoT applications