12V Adjustable Timer Relay Switch Module
This module works by receiving a 12V DC power supply and then activating or deactivating a relay after a set delay It can operate in different timing modes such as delay ON delay OFF cyclic timing, etc The relay acts like an electrically controlled switch allowing you to control high-power devices safely
Key Specifications
Operating Voltage 12V DC
Time Delay Range Adjustable (milliseconds to minutes depends on model
Relay Type SPDT (COM NO NC)
Relay Load Up to 10A @ 250V AC / 30V DC
Adjustment On-board potentiometer / buttons
Trigger Type Power-on trigger / signal trigger
Compact PCB design
Applications
Automatic light control
Door lock delay systems
Water pump timer control
Alarm and buzzer delay
DIY electronics & Arduino projects