1. Introduction
The SINOTIMER TM609 is a WiFi-enabled smart timer switch designed for convenient remote control and scheduling of electrical appliances and lighting in your home. With its compact design and easy integration with mobile applications, it offers a modern solution for automating your daily routines and enhancing energy efficiency.
2. Safety Information
- Always disconnect power before installation or maintenance to prevent electric shock.
- Installation should be performed by a qualified electrician or a person with a thorough understanding of electrical systems.
- Ensure the device is installed in a dry environment, away from moisture and extreme temperatures.
- Do not exceed the maximum rated current of 16A to avoid damage to the device or connected appliances.
- Verify all wiring connections are secure and correct before restoring power.
3. Package Contents
- 1 x SINOTIMER TM609 WiFi Smart Timer Switch
4. Product Overview
The TM609 WiFi Smart Timer allows you to control your devices remotely and set up automated schedules. Key features include:
- Remote Control: Turn devices ON/OFF from anywhere using the Tuya or Smart Life mobile application.
- Scheduling: Set up to 100 ON/OFF programs per day or per week.
- Countdown Timer: Configure countdowns from 1 minute to 23 hours 59 minutes.
- Memory Function: The timer retains its last contact state (ON/OFF) after a power failure and restoration.
- Manual Control: Can be controlled manually via a tact switch connected to terminals C1 and C2.
- App Sharing: Share control of the device with up to 100 users through the mobile app.
- Overcurrent Protection: Automatically disconnects the load circuit if current exceeds 17A.



5. Specifications
| Feature | Specification |
|---|---|
| Model | TM609 |
| Rated Voltage | 100-240V AC 50/60Hz |
| Rated Current | 16A |
| Dimensions | 70.5 x 86.5 x 17.5 mm |
| Mounting | Din Rail 35mm |
| Contact Configuration | 1NO (SPST-NO) |
| WiFi Frequency | 2.4GHz |
| Ambient Temperature Range | -10°C to +60°C |
| Overcurrent Protection | Automatic disconnect if load exceeds 17A |
| Material | ABS |
| Color | White |
6. Installation
The SINOTIM9 TM609 is designed for Din Rail mounting. Follow these steps for proper installation:
- Power Disconnection: Before starting any electrical work, ensure the main power supply to the circuit is turned off at the circuit breaker.
- Mounting: Snap the TM609 onto a standard 35mm Din Rail within your electrical panel or enclosure.
- Wiring: Refer to the wiring diagram below. Connect the Live (L) and Neutral (N) input wires to the corresponding terminals on the device. Connect the load (e.g., light, appliance) to the output terminals (1 and 2). Ensure all connections are tight and secure.
- Optional Tact Switch: If desired, connect a tact switch to terminals C1 and C2 for manual control.
- Power Restoration: Once all wiring is complete and verified, restore power to the circuit.

7. Operation
7.1. Mobile App Setup
- Download App: Download and install the Tuya Smart or Smart Life app from your smartphone's app store.
- Register/Login: Create an account or log in to your existing account.
- Add Device: In the app, tap '+' to add a new device. Follow the on-screen instructions to put the TM609 into pairing mode (usually by pressing and holding a button on the device for a few seconds until an indicator light flashes).
- Connect to WiFi: Select your 2.4GHz WiFi network and enter the password. The device will connect to the app.
7.2. Remote ON/OFF Control
Once connected, you can toggle the timer switch ON or OFF directly from the app interface at any time, from anywhere with an internet connection.
7.3. Scheduling Programs
The TM609 supports up to 100 ON/OFF programs. In the app:
- Navigate to the device settings or scheduling section.
- Add a new schedule, specifying the ON or OFF time, and the days of the week for it to repeat.
- Save the schedule. The timer will execute these programs automatically.
7.4. Countdown Timer
To set a countdown:
- In the app, select the countdown function for the TM609.
- Set the desired duration (from 1 minute to 23 hours 59 minutes).
- Start the countdown. The device will switch its state (ON to OFF or OFF to ON) after the set time.
7.5. Manual Control
The device can also be controlled manually using an external tact switch connected to terminals C1 and C2. A momentary press of the tact switch will toggle the ON/OFF state of the connected load.
7.6. Memory Function
The TM609 features a memory function. If the product contact is in a closed (ON) state and a power failure occurs, upon power restoration, the product contacts will automatically return to the closed (ON) state. This ensures continuity for critical applications.
8. Troubleshooting
- Device not powering on: Check the main power supply and all wiring connections. Ensure the voltage is within the specified range (100-240V AC).
- Cannot connect to WiFi: Ensure your WiFi network is 2.4GHz. Check your WiFi password. Make sure the device is in pairing mode (indicator light flashing). Move the device closer to your WiFi router if signal is weak.
- Remote control not working: Verify your smartphone has an active internet connection. Check if the device is still connected to the app (online status).
- Schedules not executing: Confirm that schedules are correctly set up and enabled in the app. Ensure the device has a stable WiFi connection.
- Load disconnects automatically: This indicates an overcurrent condition. The device will automatically disconnect if the load exceeds 17A. Reduce the load connected to the timer.
9. Maintenance
- Keep the device clean and free from dust. Use a dry, soft cloth for cleaning.
- Avoid exposing the device to water, high humidity, or corrosive substances.
- Do not attempt to disassemble or repair the device yourself. Refer to qualified personnel for service.
10. Warranty and Support
For warranty information, technical support, or service inquiries, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.