| Brand | MV Switchgear Accessories |
| Model NO. | Digital Timer Switch THC 109 Light Dependent Relay ＆accessories |
| Rated voltage | AC220V |
| Rated normal current | 20A |
| Rated frequency | 50/60Hz |
| Series | THC-109 |
The product can turn on or turn off light automatically according to ambient -light. Ambient temperature and humidity can’t affect it. It is not only convenient but also practical; it can control the load working only at night. It is used for road light, garden light, etc.
Product Features
Can automatically turn the lights on or off based on ambient light
Not affected by ambient temperature and humidity
The controllable load operates only at night.
Suitable for road lights, garden lights, and the like.
Light-sensitive probe, can be directly used with the product
Rail installation is more convenient with an improved mounting method
ItemNo |
THC109 THC109B |
Voltage range |
AC220V50/60Hz |
Timing error |
AC 180-250V |
Display |
4VA(max) |
Mechanical life |
10⁵ times (Rated load) |
Control current |
16A,20A,25A |
Mounting |
DIN rail mounting |
Contact Capacity |
THC109 16A Resistive:16A/250V AC(cosφ =1) THC109B16A Resistive:16A/250V AC(cosφ =1) |
Ambient Light |
<5-150LUX (adjustable) |
QTY |
100PCS |
G.W |
15KG |
N.W |
13KG |
MEAS |
515x330x325mm |
Temperature |
-10~40℃ |
Relative humidity |
35~85%RH |
Core matched accessories and functions:
· External photocell probe: Extends the light-sensing component, installable in unobstructed lighting areas to avoid host occlusion affecting accuracy;
· Extension cable: Optional length (1-3m by default) for long-distance connection between the probe and host;
· Waterproof junction box: IP65 protection level, suitable for outdoor humid environments to protect the host circuit;
· DIN rail bracket: Standard 35mm rail clip, easy for integrated installation in distribution cabinets.
The THC 109 is a modular light-sensing relay compatible with AC220V/50-60Hz voltage, supporting 16A/20A/25A resistive loads. Its core advantage is automatically switching loads on/off based on ambient light (only working at night), and it is not affected by temperature or humidity. Equipped with an external photocell probe, it is flexible to install, suitable for outdoor lighting scenarios like street lights and garden lights, with both convenience and stability.
