Looking for a reliable WiFi dry contact switch to control your gate, garage door, alarm system, or automation panel remotely?
This 1 Channel WiFi Smart Dry Contact Module provides a volt-free (dry contact) relay output with COM / NO / NC terminals, making it ideal for professional automation systems that require contact closure without output voltage.
Designed for residential, commercial, and industrial automation projects.
🔹 Main Features of This WiFi Dry Contact Switch
✔ Dry Contact (Volt-Free) Output – COM / NO / NC
✔ 5A Relay Capacity
✔ Wide Power Input: AC 100-240V (50/60Hz)
✔ Supports External Wall Switch (S1 Input)
✔ Remote Control via WiFi (2.4GHz)
✔ Compact size – fits inside standard electrical box
✔ Stable and reliable smart relay module
🔹 What Is a Dry Contact (Volt-Free Contact)?
A dry contact smart switch does NOT send voltage to the output terminals.
It only opens or closes the circuit like a traditional push button.
This makes it perfect for:
- Gate motor trigger input
- Garage door controller
- Access control systems
- Alarm panels
- Elevator call systems
- Generator auto-start trigger
- Industrial control panels
🔹 Technical Specifications
- Product Type: WiFi Smart Relay Switch
- Channels: 1CH
- Input Voltage: AC 100-240V
- Frequency: 50/60Hz
- Max Current: 5A
- Max LED Load: 150W
- Wireless: WiFi 2.4GHz
- Terminals: COM / NO / NC / L / N / S1
- Operating Temperature: -10°C to +40°C
