Sinotimer Tm-630s Manual ((hot)) Jun 2026

| Specification | Details | | :--- | :--- | | | TM630S-1 (110V), TM630S-2 (220V), TM630S-4 (12V) | | Power Supply Options | 110V, 220V AC; 12V DC/AC | | Power Consumption | 4.5 VA (max) | | Display | LCD | | Switch Contacts | 1 changeover (1NO + 1NC) | | Program Capacity | 16 to 28 on/off settings per day/week | | Minimum Interval | 1 second | | Timing Range | 1 second ~ 168 hours | | Rated Capacity | 30A / 250V AC (5000W) | | Operating Temperature | -20°C to +50°C | | Memory Backup | Built-in rechargeable battery (up to 60 days) | | Time Accuracy | ≤1 sec/day (at 25°C) | | Auto Correction | ±30 sec/week |

Note that the TM-630S usually features a volt-free (dry) contact output.

Connect your live/hot wire and neutral wire from the main power source to terminals 1 and 2. sinotimer tm-630s manual

To ensure your programs run at the correct times, you must set the internal clock to your local time.

Press the button once. The screen will display 1_ON on the left side. | Specification | Details | | :--- |

: The keypad automatically locks after 30 seconds of inactivity. Press the (Cancel/Recall) button to unlock the screen. Set Current Time to adjust the day, hour, minute, and second.

| Problem | Possible Cause | Solution | | :--- | :--- | :--- | | | No power / Tripped breaker. | Check wiring and ensure Live and Neutral are connected correctly. Check circuit breaker. | | Timer not switching | Unit is in Manual Mode. | Press [MANUAL] until "AUTO" is displayed. | | Timer switches at wrong time | Incorrect Clock Time or AM/PM setting. | Re-check the current time setup. Ensure you distinguish between AM and PM (look for the PM dot on the LCD). | | Appliance won't turn on | Load exceeds rating. | If using a large motor or heater, you may need an external Contactor. The TM-630S has a limit (usually 25A). | | Settings lost after power cut | Battery drained. | Keep the unit connected to power for a few hours to recharge the internal battery. | | Screen is hard to read | Low ambient temperature. | LCDs slow down in cold environments (<0°C). The unit will still function, but the display may be sluggish. | Press the button once

The timer has clearly marked terminals:

Mount the device on a standard 35mm DIN rail or flush mount using the screw holes.

Run the live/line wire from your main power source to Terminal 1 . Run the neutral wire to Terminal 2 . This powers the internal clock of the timer.