Milesight CT305 - Smart Current Sensor (500 A, 3-phase)
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Milesight CT305 - Smart Current Sensor (500 A, 3-phase)

Milesight CT305 - Smart Current Sensor (500 A, 3-phase) – three split-core clamps with transmitter
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Milesight CT305 - Smart Current Sensor (500 A, 3-phase)

LoRaWAN® self-powered three-phase current sensor up to 500 A, Ø36.5 mm split-core clamp. Battery-free, non-invasive install for permanent panel monitoring. More
Manufacturer: Milesight Product code: 99.26.3478.2239

Free shipping within the Czech Republic on purchases over 120 EUR.

219 EUR excl. VAT (264,99 EUR incl. VAT)

Price includes a WEEE recycling fee for the Czech Republic.

In stock
LoRaWAN® self-powered three-phase current sensor up to 500 A, Ø36.5 mm split-core clamp. Battery-free, non-invasive install for permanent panel monitoring. More

Price includes a WEEE recycling fee for the Czech Republic.

Manufacturer: Milesight Product code: 99.26.3478.2239

The Milesight CT305-868M is a LoRaWAN® smart current transformer for remote energy monitoring, rated up to 500 A across three phases. Its non-invasive split-core clamp (Ø36.5 mm wire hole) installs safely without de-energizing the circuit.

Self-powered by the induced current in the measured line, it needs no batteries or external wiring. It reports RMS and cumulative current with ±1 % accuracy, supports threshold alarms and FUOTA, and is configured via USB-C or downlink.

Before you install

  • Setup: over USB-C or a LoRaWAN downlink, no app.
  • Power: self-powered from the measured conductor (phase A), no battery; or via USB-C.
  • Data: over LoRaWAN — needs a LoRaWAN gateway to send data (sold separately); remote monitoring via the Milesight platform is free for up to 10 devices.

Parameters

Wireless Protocol LoRaWAN®, Class A (OTAA/ABP)
Frequency EU868, max. 16 dBm
Current Measurement Up to 500 A RMS (3-phase), accuracy ±1 %, resolution 1 mA, Ø36.5 mm wire hole
Power Self-powered (induced current); 5 V USB-C auxiliary; no battery
Configuration USB-C or Downlink
Enclosure PBT+PC (UL94 V0), IP30, insulation 3 kVac
Dimensions Transceiver 38 × 34.5 × 16 mm; CT clamp 68 × 86 × 41.8 mm
Mounting Clamp around the conductor; transceiver by cable tie
Certifications CE, FCC, UL508

Safety information

  • Read the manufacturer's user guide supplied with the product before installation and keep it.
  • Use the product only for its intended use and within the operating conditions stated by the manufacturer. Do not use a visibly damaged product.
  • Installation and connection may be carried out only by a person qualified in electrical installation, with the circuit de-energised. Risk of electric shock.
  • Do not exceed the rated voltage and current stated by the manufacturer.
Manufacturing company XIAMEN MILESIGHT IOT CO.,LTD.
Address 401, Building No.37, Xixishanwei Road, Software Park Phase III, Torch Development Zone for High Technology Industries, Xiamen, China
Email [email protected]
Manufacturer's representative in the EU HARDWARIO a.s.
Address of representative in the EU U Jezu 525/4, 460 01 Liberec, Czech Republic
EU representative email [email protected]
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