WS503 – 3-wire LoRaWAN wall switch with energy measurement – ​​Milesight | DistrIoT
WS503 – 3-wire LoRaWAN wall switch with energy measurement – ​​Milesight

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WS503 – 3-wire LoRaWAN wall switch with energy measurement – ​​Milesight

Interrupteur mural intelligent WS503 Milesight LoRaWAN, mesure d’énergie, contrôle local/distant, NFC, 3 fils, idéal pour bâtiments intelligents.

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Description détaillée

WS50x – 3-wire LoRaWAN wall switch with energy measurement – ​​Milesight

General Description

Milesight 's WS50x is a LoRaWAN®-enabled smart wall switch designed for local and remote control of lighting and electrical appliances. It directly replaces traditional switches thanks to its standard sizes (86 and 120) and requires a 3-wire installation (neutral required). Equipped with advanced features such as energy consumption measurement, overload protection, and simplified setup via NFC, it integrates perfectly into residential, commercial, and industrial environments.

Targeted Applications

  • Connected houses and apartments
  • Offices and coworking spaces
  • Hotels and hospitality establishments
  • Museums and public buildings
  • Industrial and commercial installations

Highlights

  • Local control via physical button and remote control via LoRaWAN®
  • Real-time measurement of voltage, current, power and consumption
  • Overload and short circuit protection
  • Quick setup via NFC with the Milesight ToolBox app
  • Compatibility with Milesight D2D protocol for direct communication between devices
  • Ice blue indicator light for easy use in the dark
  • Easy installation on standard wall boxes

Technical Specifications

Electric
Type of circuit 3 wires (neutral required)
Switch indicator Ice blue
Input voltage 100~250 VAC, 50~60 Hz
Maximum current Inductive: 5 A per channel, total 10 A; Resistive: 10 A per channel, total 10 A
Nominal load Max 1000W per channel, total 0~2000W
Terminal type SPST
Available switches 86 Type: 1 way / 2 ways; 120 Type: 1 way
Measures Voltage (VAC), Current (mA), Power factor (%), Active power (W), Energy consumption (kWh)
Measurement accuracy Typical ±3%, Maximum ±5% (±1% customizable)
Wireless transmission
Technology LoRaWAN®, Milesight D2D
Supported frequencies CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1/2/3/4
Transmit power 16 dBm (868 MHz) / 22 dBm (915 MHz) / 19 dBm (470 MHz)
Sensitivity -137 dBm
Fashion OTAA / ABP – Class C
Software
Configuration Mobile application via NFC or top-down command
Switch control Local support or remote control
Advanced Features Time delay, switch lockout, overcurrent protection, multicast, Milesight D2D Agent and Controller
Physical characteristics
Protection index IP20
Material & Color Polycarbonate (UL94 V0), White (customizable)
Weight 86 Type: 94g (1 way), 103g (2 way); 120 Type: 100.4g
Dimensions 86 Type: 86 × 86 × 40mm; 120 Type: 118 × 72 × 46.9mm
Operating temperature -20°C to +60°C
Relative humidity 0% to 95% (non-condensing)
Facility Wall mounting
Certifications CE, FCC, RoHS

Interfaces and Connectors

The WS50x is equipped with an NFC interface for quick setup via the Milesight ToolBox mobile app. It supports the Milesight D2D protocol, enabling direct communication between devices without a gateway, and offers advanced features such as multicast for simultaneous control of multiple switches.

Pack Contents

  • 1 × Milesight WS50x Wall Switch
  • 2 × Mounting screws
  • 1 × Quick Start Guide
  • 1 × Warranty Card