Digital Timer Switch | THC-15A 16amp 220vAC
Digital Timer Switch | THC-15A 16amp 220vAC
Blog Article
You're referring to a Digital Timer Switch with the model THC-15A, rated for 16A, 220V AC. Here's a detailed breakdown of its features, applications, and key considerations:
Key Specifications
Model: THC-15A
Likely a programmable digital timer for automated electrical control.
Current Rating: 16A
Suitable for high-power devices (e.g., motors, heaters, lighting systems).
Voltage Rating: 220V AC
Standard for residential/commercial single-phase power (EU/Asia) or split-phase (US).
Timer Type:
Digital (LCD/LED display) with programmable on/off cycles.
May include 7-day programming, countdown, or astronomical modes.
Typical Features
✔ Multiple On/Off Programs (e.g., 10+ daily settings).
✔ Battery Backup (retains settings during power outages).
✔ Manual Override (toggle without programming).
✔ IP Rating (e.g., IP20 for indoor use; IP65 if waterproof).
Common Applications
Lighting Control (streetlights, garden lights).
HVAC Systems (fans, heaters).
Industrial Machines (pumps, compressors).
Home Appliances (water heaters, aquariums).
Wiring & Installation
Connection:
Input (Line): 220V AC Live & Neutral.
Output (Load): Connects to the controlled device.
Load Compatibility:
Resistive (heaters, bulbs) ✅
Inductive (motors, transformers) ✅ (if rated for 16A).
Capacitive (LED drivers) ✅ (check for inrush current).
Safety & Certifications
CE/RoHS (EU compliance).
UL/ETL (if sold in North America).
Overload Protection (some models include a built-in fuse).
Comparison to Mechanical Timers
| Feature | Digital Timer (THC-15A) | Mechanical Timer |
|---|---|---|
| Accuracy | High (quartz crystal) | Moderate (motor-driven) |
| Programs | 10+ daily settings | 1-2 on/off cycles |
| Display | LCD/LED + buttons | Dial with pins |
| Lifespan | Longer (no moving parts) | Shorter (gears wear out) |
Troubleshooting Tips
Timer resets? → Check battery backup.
Not switching? → Verify load is ≤16A & wiring is correct.
Display dead? → Test input voltage.
Where to Buy?
Online: Amazon, eBay, AliExpress (search "THC-15A 16A 220V timer").
Electrical Suppliers: RS Components, Schneider Electric.https://store.unigulfsupply.com/product/digital-timer-switch-thc-15a-16amp-220vac/