Generic 1-Channel 5V Relay Module | High-Current Switching | Isolated Control
₹149.00₹250.00 (price_including_tax) (-40%)
Achieve robust power control for your projects. Seamlessly integrate this 1-channel 5V relay module to switch high-power loads with a low-voltage signal. Engineered for consistent performance and safety in diverse automation tasks.
Reliable 1-channel 5V relay module for robust switching applications, offering isolated control and broad microcontroller compatibility.
Effortlessly manage high-voltage loads with secure, isolated switching capabilities for various devices.
Integrates seamlessly with all 5V microcontrollers, ensuring broad utility for your automation projects.
Optocoupler isolation protects delicate electronics from power surges and electrical interference effectively.
The Engineering Behind 1 Channel 5V Relay Module
This 1-channel 5V Relay Module is designed to act as an electrically operated switch, enabling microcontrollers like Arduino or Raspberry Pi to control higher voltage or current devices. It typically utilizes a Songle SRD-05VDC-SL-C type relay, driven by a transistor-based circuit, ensuring effective isolation between the control signal and the load circuit.
Constructed with a robust PCB and quality components, this module offers reliable switching capabilities for various applications, from home automation to industrial control. Its simple interface and clear pinout make it an indispensable tool for makers seeking to interface low-power logic with high-power peripherals safely.
High-Current Isolated Switching
The core functionality revolves around its ability to provide galvanic isolation between the low-voltage control side (5V logic) and the high-voltage load side. This protects sensitive microcontroller circuitry from power spikes or electrical noise from the load, ensuring system stability and longevity.
Universal Microcontroller Compatibility
Designed for seamless integration, this module operates directly with standard 5V logic, making it fully compatible with a wide array of development boards. Its straightforward input pins (VCC, GND, IN) simplify connectivity, enabling rapid prototyping and deployment without complex interface circuits.
Optimized for Performance & Integration
- Operating Voltage: 5V DC
- Channels: 1
- Contact Rating: 10A @ 250VAC / 10A @ 30VDC
- Control Signal: 5V TTL logic (High or Low trigger, typically configurable)
- Isolation: Optocoupler isolation (commonly PC817 or similar)
- Indicator LED: Power and status LED for relay activation
Features & Benefits
- Single Channel Control: Manages one independent load circuit, ideal for specific on/off tasks.
- 5V Logic Compatibility: Directly interfaces with Arduino, Raspberry Pi, and other 5V microcontrollers.
- High-Current Switching: Safely controls devices up to 10A, perfect for motors, lights, and appliances.
- Optocoupler Isolation: Protects sensitive control electronics from high-voltage load circuits.
- Normally Open/Closed Contacts: Provides flexible connectivity options for various application requirements.
- Status LED Indicator: Offers visual confirmation of relay activation for easy debugging and monitoring.
Pro-Grade Advantages
- Simple, direct integration with 5V microcontrollers.
- Provides essential galvanic isolation between control and load.
- Capable of switching significant AC/DC current loads (up to 10A).
- Clear status LED for easy operational monitoring and debugging.
Technical Considerations
- Limited to a single channel, requiring multiple modules for complex control.
- Mechanical relay has a finite number of switching cycles before wear.
What is the primary function of a 1 Channel 5V Relay Module?
Its primary function is to enable a low-voltage microcontroller to switch on or off a higher voltage or current electrical device, acting as an isolated electrical switch.
What type of microcontroller is compatible with this 5V relay module?
This module is compatible with any microcontroller that outputs 5V TTL logic signals, such as Arduino boards, ESP32, ESP8266, and Raspberry Pi when using 5V GPIOs or level shifters.
Does this module offer electrical isolation?
Yes, it typically includes an optocoupler (e.g., PC817) to provide galvanic isolation, protecting the sensitive microcontroller circuitry from high-voltage load circuits.
What are the maximum current and voltage ratings this relay can switch?
The common rating for the Songle SRD-05VDC-SL-C relay is 10 Amperes at 250 Volts AC or 10 Amperes at 30 Volts DC.
Can this relay module be triggered by a low signal?
Most 5V relay modules are configurable or designed to be triggered by either a HIGH (5V) or LOW (0V) signal on their input pin. Always check the specific module’s documentation for trigger logic.
| Specification | Value |
|---|---|
| Module Type | 1-Channel Relay Module |
| Relay Model | Songle SRD-05VDC-SL-C |
| Control Voltage | 5V DC (TTL Logic) |
| Load Voltage (Max) | 250V AC / 30V DC |
| Load Current (Max) | 10A |
| Isolation Type | Optocoupler (e.g., PC817) |
| Trigger Mode | High or Low Level (Configurable/Module dependent) |
| Number of Channels | 1 |
| Indicator LEDs | Power, Status |
| Mounting Holes | Yes |
| Dimensions (Approx.) | 43mm x 17mm x 19mm |
Additional information
| Weight | 0.015 kg |
|---|---|
| Dimensions | 4.3 × 1.7 × 1.9 cm |
| Brand | Generic |
| Operating Voltage | 5V DC |
| Max Current | 10A |
| Channels | 1 |
| Control Voltage | 5V TTL |
| Load Capacity | 10A @ 250VAC / 10A @ 30VDC |
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