LoRaWAN Wall Switch with Energy Monitoring EU868 – Milesight WS502

The Milesight WS502 is a 3-wire LoRaWAN wall switch with integrated energy monitoring for remote control and automation of lighting and electrical loads in smart buildings.

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incl. VAT79,73 excl. VAT67,00 plusShipping Costs

7 in stock

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Product Description Technical Details

The Milesight WS502 replaces conventional wall switches and adds intelligent control and monitoring capabilities. Using LoRaWAN EU868, lighting and electrical appliances can be switched remotely, automated, and centrally managed.

Beyond simple ON/OFF control, the WS502 provides built-in energy measurement, including voltage, current, power factor, active power, and energy consumption (kWh). This makes it suitable for both load control and energy optimization projects.

Typical applications include:

Office buildings

Hospitality and hotels

Retail chains

Industrial facilities

Public buildings

Time-based switching allows automated lighting schedules. Features such as delay switch, switch lock, and overcurrent protection enhance operational safety and flexibility.

With Milesight D2D communication, compatible devices can communicate directly without a LoRaWAN gateway, reducing latency and infrastructure costs in local automation scenarios.

Configuration is performed via NFC using a mobile app or via downlink. The WS502 is designed for professional wall-mounted installations in commercial and smart building environments.

Specification Value
Model WS502
Part Number 3W-W11-EU
Circuit Type 3-Wire (Neutral Required)
Input Voltage 100–250 VAC, 50–60 Hz
Maximum Current Inductive: 5 A per Gang, Total 10 A
Resistive: 10 A per Gang, Total 10 A
Rated Load Max 1000 W per Gang, Total 0–2000 W
Terminal SPST
Measurements Voltage (VAC), Current (mA), Power Factor (%), Active Power (W), Energy (kWh)
Measurement Accuracy Typical ±3%, Maximum ±5%
Wireless Technology LoRaWAN®, Milesight D2D
Frequency EU868
Tx Power 16 dBm
Sensitivity -137 dBm
Mode OTAA / ABP Class C
Ingress Protection IP20
Material Polycarbonate (UL94 V0)
Dimensions 86 × 86 × 40 mm
Weight 94 g
Operating Temperature -20°C to +60°C
Humidity 0–95% (non-condensing)
Installation Wall Mounting
Certifications CE, FCC, RoHS