
Original: $2.91
-65%$2.91
$1.02The Story
The 2 Channel Relay Module 5V 40A / 30A High and Low Level Trigger Relay Control is a ready-to-use switching module designed for safe and reliable control of electrical loads. Featuring two independent relay channels with optocoupler isolation, this module is ideal for automation, home control systems, industrial applications, and DIY electronics projects requiring electrical isolation between control and load circuits. Operating on a 5V DC control supply the relay module supports high-level trigger inputs, allowing easy interfacing with microcontrollers, development boards, and control systems.
Features:
- 2-channel relay module for independent load control
- Optocoupler isolation for improved safety and noise immunity
- High-level trigger input compatible with logic control signals
- Suitable for AC and DC load switching
- Stable and reliable relay operation
- Easy interfacing with microcontrollers and control boards
- Compact PCB design for easy installation
- Ideal for automation, control systems, and DIY electronics
Specifications:
- Module Type: Relay Module with Optocoupler
- Number of Channels: 2
- Trigger Type: High-level trigger
- Relay Control: Digital input
- Load Type: AC / DC
- Current rating: 40A / 30A
- Operating Voltage: 5V DC
- Isolation Method: Optocoupler
- PCB Material: FR4
- Operating Temperature: –10°C to +60°C
- Relay AC Load: 40A @ 250V AC to 30A @ 250V AC
- Relay DC Load: 40A @ 30V DC to 30A @ 30V DC
Package Includes:
1 × 2 Channel Relay Module 5V 40A / 30A High and Low Level Trigger Relay Control Module

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
The 2 Channel Relay Module 5V 40A / 30A High and Low Level Trigger Relay Control is a ready-to-use switching module designed for safe and reliable control of electrical loads. Featuring two independent relay channels with optocoupler isolation, this module is ideal for automation, home control systems, industrial applications, and DIY electronics projects requiring electrical isolation between control and load circuits. Operating on a 5V DC control supply the relay module supports high-level trigger inputs, allowing easy interfacing with microcontrollers, development boards, and control systems.
Features:
- 2-channel relay module for independent load control
- Optocoupler isolation for improved safety and noise immunity
- High-level trigger input compatible with logic control signals
- Suitable for AC and DC load switching
- Stable and reliable relay operation
- Easy interfacing with microcontrollers and control boards
- Compact PCB design for easy installation
- Ideal for automation, control systems, and DIY electronics
Specifications:
- Module Type: Relay Module with Optocoupler
- Number of Channels: 2
- Trigger Type: High-level trigger
- Relay Control: Digital input
- Load Type: AC / DC
- Current rating: 40A / 30A
- Operating Voltage: 5V DC
- Isolation Method: Optocoupler
- PCB Material: FR4
- Operating Temperature: –10°C to +60°C
- Relay AC Load: 40A @ 250V AC to 30A @ 250V AC
- Relay DC Load: 40A @ 30V DC to 30A @ 30V DC
Package Includes:
1 × 2 Channel Relay Module 5V 40A / 30A High and Low Level Trigger Relay Control Module






















