Sinotimer Tm-630s Manual 【Trusted Source】

Look for the words "ON", "OFF", or "AUTO" on the bottom or top right of the LCD.

Always disconnect mains power before opening the terminal cover or changing wiring. Voltages inside can be lethal. Last updated: October 2026. This guide is for informational purposes. Always refer to the original product documentation for specific model variations. sinotimer tm-630s manual

– Simple 24-hour repeating timer with one ON time and one OFF time. Look for the words "ON", "OFF", or "AUTO"

A: The TM-630S uses a crystal oscillator. ±0.5 seconds/day is normal. If losing minutes, the internal crystal may be damaged. Press R and reset. Last updated: October 2026

If you have purchased a Sinotimer TM-630S , you own one of the most versatile and affordable digital timer switches on the market. Widely used for industrial automation, home lighting control, aquarium pumps, hydroponic systems, and advertising signs, this DIN-rail mounted time relay offers precision and flexibility.