• Bands: EU868, IN865

Milesight CT303 Smart Current Transformer - 3-phase 300A

167,42 $ excluding VAT
200,91 $ including VAT     Who pays VAT?
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Milesight CT303 Smart Current Transformer - 3-phase 300A

The CT303 is a LoRaWAN®-based Smart Current Transformer engineered for precise monitoring of electrical consumption and remote analysis of energy usage patterns. It supports multiple current input ranges, enabling flexible deployment across various load profiles, and includes functionality for configurable threshold-based alerting.

With a compact, non-intrusive design, the CT303 can be installed quickly and safely in indoor environments without the need to disconnect power, streamlining deployment and minimising operational downtime. When integrated with a Milesight LoRaWAN® gateway, the device enables remote data access and monitoring through a web interface.

Typical applications include real-time energy metering in smart building infrastructure and predictive maintenance through machine anomaly detection.

Key Features:

  • Provides minute-by-minute reporting of RMS current and cumulative current data
  • Offers high measurement precision with a sampling frequency up to 3.3 kHz
  • Operates without batteries or external wiring, using self-powered technology
  • Supports sampling intervals as short as 1 second for real-time monitoring and rapid alarm response
  • Features a non-invasive clamp design for safe, hassle-free installation without shutting down power
  • Includes an LED indicator to display operating status and alarm notifications
  • Compatible with external temperature sensors for monitoring cable temperature
  • Capable of simultaneously detecting all three phases, with a wide detection range up to 300A
  • Fully compatible with standard LoRaWAN® gateways and network servers

More information and guides



SENMIL0078
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Tabuľka dát

LoRaWAN Band
EU868
IN865
Manufacturer Part Number
CT303-868M
Stock Level UK
20