Milesight IoT CT103 LoRaWAN Smart Current Transformer (CT103-868M)

Facility managers and energy auditors use the Milesight CT103 to monitor electrical loads without interrupting circuits. This LoRaWAN smart current transformer clamps onto a conductor and reports RMS current, voltage, power, energy, power factor and frequency over long-range wireless.

Key specifications

• LoRaWAN 868 MHz (EU868)
• 0-100 A AC measurement range
• ±1% accuracy for current, voltage and power
• Split-core CT clamp with 1.5 m cable
• Powered by 2x ER14505 Li-SOCl2 batteries, up to 10 years life
• NFC and USB Type-C configuration
• Stores 18,000 historical records
• Wall or DIN rail mount
• Operating temperature -20°C to +60°C

Why choose it

Non-invasive installation and battery operation make it suitable for retrofits in electrical panels, machinery monitoring and submetering. The internal antenna and IP30 enclosure suit indoor environments.

Ideal use cases

• Energy consumption tracking in commercial buildings
• Load profiling for HVAC, pumps and motors
• Predictive maintenance via power quality trends
• Submetering for tenant billing

Good to know

Supports LoRaWAN Class A and C with AES128 encryption. Configuration via NFC or USB Type-C.