The Milesight WS523-868M is a LoRaWAN-enabled smart power sensor and controller, designed for monitoring real-time power consumption and remotely controlling electrical devices. With support for up to 16A output, accurate power metering, and EU868 LoRaWAN communication, the WS523 is ideal for offices, factories, smart homes, server rooms, and any energy-sensitive environment.
It allows users to track voltage, current, power, and energy usage, while offering remote ON/OFF control, overload protection, and custom logic triggers via compatible platforms.
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💡 Key Features
📡 LoRaWAN EU868 Connectivity – Long-range, low-power wireless communication
⚡ Energy Monitoring – Real-time voltage, current, active power & accumulated energy measurement
🔌 Remote ON/OFF Switching – Control appliances and devices over the LoRaWAN network
🛡️ Overload & Short Circuit Protection – Safe operation with automatic disconnection on faults
🔁 Custom Logic & Automation Triggers – Supports rule-based control through platforms like Milesight IoT Cloud
🔋 Low Power Operation – Optimized for minimal energy consumption
🏗️ DIN Rail Mounting – Compact design for easy integration in electrical panels
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🛠 Applications
🏢 Smart Buildings & Offices – Monitor energy consumption and automate lighting/HVAC
🏭 Industrial Control Systems – Track machinery energy usage and control equipment remotely
💻 Server Rooms & IT Cabinets – Ensure stable and trackable power delivery
🏠 Smart Homes – Remotely manage appliances and monitor energy bills
⚙️ Preventive Maintenance – Detect abnormal power conditions before damage occurs
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📦 Package Includes
- 1 × Milesight WS523-868M LoRaWAN Power Consumption Sensor & Controller
- 1 × DIN Rail Mount Kit
- 1 × User Manual
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📥 Product Downloads
- Device Type: LoRaWAN® Power Consumption Sensor & Controller
- Measurement Parameters: Energy Consumption, Voltage, Current, Power Factor, Active Power
- Rated Voltage: 100~250 VAC (Single-phase)
- Maximum Current: 16 A
- Measurement Accuracy: Energy (±1%), Voltage & Current (±0.5%)
- Control Output: Built-in relay for remote on/off control
- LoRaWAN® Protocol: 1.0.3, Class C
- Frequency Band: EU868
- LoRa® TX Power: Up to 16 dBm
- LoRa® Sensitivity: -137 dBm (SF12)
- Power Supply: AC powered (mains)
- Ingress Protection: IP30 (Indoor use)
- Operating Temperature: -20°C to 60°C
- Installation: DIN Rail or Wall mounting
- Additional Features: Real-time remote monitoring and control, compact design, ideal for smart buildings, energy management, automation systems, and facility management














