WS558-Switch – 8-circuit LoRaWAN passive relay module – Milesight | DistrIoT
Milesight
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WS558-Switch – 8-circuit LoRaWAN passive relay module – Milesight

Module relais passifs WS558-Switch LoRaWAN Milesight, 8 sorties, contrôle à distance/local, protection surtension, NFC, D2D, montage rail DIN

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Description détaillée

WS558-Switch – 8-circuit LoRaWAN passive relay module – Milesight

General Description

The Milesight WS558-Switch is a LoRaWAN®-enabled 8-channel passive relay module designed to control devices remotely or locally. It is ideal for scenarios where load power is independent of the module, while also providing scheduling, protection, and direct device-to-device communication via Milesight D2D.

Targeted Applications

  • Control of equipment with independent power supply
  • Building and factory automation systems
  • Intelligent management of lighting or ventilation
  • Triggering of relays or contactors
  • Monitoring and remote control of electrical circuits

Highlights

  • 8 passive relay outputs for flexible integration
  • Local button control and remote control via LoRaWAN®
  • Advanced features: multicast, remote scheduling
  • Built-in overcurrent protection
  • Compatibility with Milesight D2D for low latency
  • Simple setup via NFC or USB Type-C port
  • Easy installation on wall or DIN rail

Technical Specifications

Electric
Type of circuit Passive relays (switch type)
Input voltage 100~250 VAC, 50~60 Hz
Passive outputs 8 passive relays
Capacitive & inductive load Max 5 A per relay
Resistive load Max 10 A per relay
Electrical measurements Not available
Wireless transmission
Protocol 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 NFC, USB Type-C or Downlink
Relay control Local by button or LoRaWAN remote control
Advanced Features Multicast, remote scheduling, overcurrent protection, Milesight D2D Agent
Physical characteristics
Color / Material Cream white, ABS
Operating temperature -20°C to +60°C
Relative humidity ≤ 95% (non-condensing)
Dimensions 145 × 90 × 40 mm
Facility Wall or DIN rail mounting

Interfaces and Connectors

The WS558-Switch features an NFC interface for wireless configuration via the Milesight ToolBox app, as well as a USB Type-C port for wired configuration. It supports LoRaWAN® downlink commands and direct D2D communication for minimal latency.

Pack Contents

  • 1 × Milesight WS558-Switch Passive Relay Module
  • 1 × Wall / DIN Rail Mounting Kit
  • 1 × Quick Start Guide
  • 1 × Warranty Card