5-48V Automatic Switching Module Relay Module Power-OFF Protection
Power-OFF Protection & Automatic Switching Module
The Power-OFF Protection Automatic Switching Module is designed for backup-power and UPS applications where a load needs to automatically switch between a primary power source and a backup battery supply. It can help maintain power to connected DC equipment when the main supply is interrupted.
Key Features
Automatic switching between primary and backup power
Power-off detection and protection
Suitable for DIY UPS and emergency power systems
Supports DC backup-power applications
Helps prevent interruption to connected equipment during power failure
Compact control-board design for easy integration into projects
Suitable for electronics, networking equipment, CCTV systems, embedded systems and other DC-powered devices
Applications
DIY UPS systems
Router and modem backup power
CCTV backup systems
Arduino, ESP32 and Raspberry Pi projects
Emergency DC power systems
Battery-powered electronic equipment
Backup power for communication and networking devices
Note: Please verify the module’s exact input/output voltage and maximum current rating before connecting it to a load. Similar automatic power-off/UPS modules are available in different voltage and current versions, so the specifications should match your battery and connected equipment.










There are no reviews yet.