DC 12V Timer Delay Turn-Off Relay Module | 1–10s Adjustable
DC 12V Timing Timer Delay Turn-Off Relay Module
Take precise control of your electrical circuits with this compact DC 12V Timer Delay Turn-Off Relay Module. Engineered for high precision and stable, reliable performance, this module automatically cuts power to a connected load after a user-defined delay — perfect for automation projects, smart home systems, robotics, PLC development, and more.
Key Features
- Adjustable Delay Time (1–10 Seconds): Set the delay duration anywhere between 1 and 10 seconds using the built-in potentiometer. Need a longer delay? Simply swap in a larger capacitor or potentiometer for extended timing.
- Built-In Trigger Button Switch: Power on and press the trigger switch to energize the load; the relay automatically switches off after the configured delay time expires.
- Reverse Input Protection: Integrated reverse polarity protection safeguards the module and your circuit from accidental incorrect wiring.
- Indicator Light: A clear status LED lets you visually monitor relay state at a glance — no guesswork required.
- External Trigger Support: Compatible with external trigger signals for seamless integration into larger control systems.
- Wide Load Capacity: Handles up to 10A at 250VAC or 10A at 30VDC — suitable for a broad range of loads.
- Compact Form Factor: Slim 67.6 × 19.2 mm profile fits easily into enclosures and DIY builds.
Specifications
| Working Voltage | DC 12V |
| Load Capacity | 10A 250VAC / 10A 30VDC |
| Delay Time Range | 1 – 10 Seconds (potentiometer adjustable) |
| Dimensions | 67.6 × 19.2 mm |
| Country of Origin | Made in Mainland China |
Ideal Applications
- Timer-controlled automation equipment
- Robotics and intelligent product development
- PLC and microcontroller development
- Smart home systems and alarm delay circuits
- Electronic prototyping and DIY electronics
Package Includes
- 1 × DC 12V Timer Delay Turn-Off Relay Module
Note: Due to lighting and screen differences, item color may vary slightly from pictures. Please allow 1–3 cm tolerance due to manual measurement.
For general guidance on electrical safety and relay circuits, visit CPSC Electrical Safety.
Frequently Asked Questions
Q: How do I adjust the delay time on this 12V timer relay module?
A: The delay time is set using the onboard potentiometer. Simply turn the potentiometer to dial in any delay between 1 and 10 seconds. If you require a delay longer than 10 seconds, you can replace the existing capacitor or potentiometer with a higher-value component to extend the timing range.
Q: What types of loads can this DC 12V delay relay module control?
A: This relay module supports loads up to 10A at 250VAC or 10A at 30VDC, making it suitable for controlling lights, motors, solenoids, fans, and other standard electrical loads in both AC and DC circuits.
Q: Can this timer relay module be triggered by an external signal?
A: Yes. In addition to the built-in trigger button switch, the module features external trigger support, allowing it to be integrated into larger automation setups, PLC systems, or microcontroller-based projects for remote or programmatic triggering.