SOLID STATE RELAY MODULE 5V 4-CHANNEL LOW LEVEL TRIGGER
5V 4-Channel Solid State Relay Module is a multi-channel electronic switching module designed for controlling AC loads through microcontroller signals. Featuring four solid state relay channels, the module supports high-level triggering and operates using a 5V DC supply. It provides silent, fast, and reliable switching without mechanical contacts, making it ideal for Arduino, ESP8266, industrial automation, smart home systems, and embedded electronics projects requiring stable multi-channel load control.
وحدة Solid State Relay رباعية القنوات 5V هي وحدة تبديل إلكترونية متعددة القنوات مخصصة للتحكم بالأحمال الكهربائية باستخدام إشارات المتحكمات الدقيقة. تحتوي على أربع قنوات ريليه إلكتروني تعمل بنظام التفعيل بالمستوى العالي وتعمل بجهد 5 فولت DC. توفر تشغيلًا صامتًا وسريعًا وموثوقاً بدون نقاط تلامس ميكانيكية، مما يجعلها مناسبة لمشاريع Arduino وESP8266 وأنظمة المنازل الذكية والأتمتة الصناعية وتطبيقات التحكم متعددة القنوات.
The 5V 4-Channel Solid State Relay Module is a compact electronic switching board designed for controlling multiple AC loads through low-power digital signals from microcontrollers and embedded systems.
The module integrates four independent solid state relay channels, enabling simultaneous control of multiple devices or circuits. Unlike traditional mechanical relays, the solid-state design provides silent operation, faster switching speeds, improved durability, and longer operational lifespan due to the absence of moving mechanical contacts.
Powered by a 5V DC supply, the module uses high-level trigger logic, where each relay channel activates when the control signal is between 3.3V and 5V. The relay remains OFF when the control signal is between 0V and 2.5V.
The board includes clearly labeled control terminals for each relay channel, making interfacing simple with Arduino, ESP8266, STM32, Raspberry Pi, and other microcontroller platforms.
Its compact design and reliable switching performance make it suitable for automation systems, smart home projects, industrial control applications, and multi-channel embedded systems.
Specifications
- Product Type: Solid State Relay Module
- Channels: 4-Channel
- Trigger Type: High-Level Trigger
- Operating Voltage: 5V DC
- Working Current: 160mA
- Trigger Voltage: 3.3V – 5V
- OFF Voltage Range: 0V – 2.5V
- Trigger Current: 2mA
- Quiescent Current: 0mA
- Current Consumption:
- 1 Channel: 13.8mA
- 2 Channels: 26.8mA
- 3 Channels: 37mA
- 4 Channels: 48mA
- Module Dimensions: 57 × 55 × 25 mm
- Weight: Approx. 40g
- Switching Technology: Solid State Relay (SSR)
Module Interface
Power Input
- DC+ → Positive power supply input
- DC− → Negative power supply (GND)
Control Inputs
- CH1 → Channel 1 trigger input
- CH2 → Channel 2 trigger input
- CH3 → Channel 3 trigger input
- CH4 → Channel 4 trigger input
Trigger Mode: High-level active
Applications
- Arduino and ESP8266 projects
- Smart home automation systems
- Industrial control systems
- Multi-channel AC load control
- Lighting automation systems
- IoT and embedded applications
- Remote switching systems
- DIY electronics projects
- Automation control panels
- Microcontroller-based switching systems