- Bands: EU868, IN865
Christmas closure: Last shipping day is 23 Dec, and we'll be back shipping in the New Year on 6 Jan!
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Produkty
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Categories
- Indoor LoRaWAN Gateways
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LoRaWAN Sensors
- Environmental Sensors
- Activity & Motion Sensors
- Outdoor Environmental Sensors
- GPS Trackers
- Cold Chain Sensors
- Agriculture Sensors
- People Counting
- Heating Control
- Water sensors
- Distance and Level Sensors
- Desk Occupancy
- CO2 Sensors
- Sound Sensors
- LoRaWAN Network Testers
- Light Sensors
- Magnetic Switch Sensors
- Sensor Accessories
- Buttons
- Pressure sensors
- Environmental controllers
- Wearable
- Indicator Lights
- Weather Stations
- Smoke Alarms
- Displays and Indicators
- Gas and Odour Sensors
- Car Park Sensors
- Outdoor LoRaWAN Gateways
- LoRa Antennae
- Cables and accessories
- LoRaWAN Development
- Industrial devices
- Smart Building Sensors
- Meshtastic
- Cellular Sensors
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Our Manufacturers
- 2J Antennas
- Adeunis
- Browan
- Dutch Sensor Systems
- Elsys
- Enginko
- IMBuildings
- Kuando
- Laird Connectivity
- MClimate
- Milesight
- Nwave
- Pi Supply
- Quandify
- RAK Wireless
- RFI Engineering
- Ronoth, LLC
- Seeed Studio
- Sensative
- Senzemo
- SIRIO Antenne
- Synetica
- Talkpool
- TEKTELIC Communications
- Terraprima Group
- The Things Industries
- Vutility
- Wavetrend
- Wifx
- Xignal by Dimo Systems
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LoRaWAN Gateways
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Outdoor LoRaWAN Gateways
Outdoor LoRaWAN gateways for the best possible LoRa coverage. Our range includes Tektelic's carrier-grade Macro, low-cost The Things Outdoor Gateway and the easily-installed LORIX One.
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Indoor LoRaWAN Gateways
Indoor LoRaWAN gateways for quick and easy LoRa coverage. Our range includes the super-low-cost Things Indoor Gateway, Tektelic's Micro with 4G option, and Micro-Lite.
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LoRaWAN Devices
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All devices
Home and office environmental sensors. Temperature, humidity, room presence and activity, and CO₂.
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Motion and Activity Sensors
Monitor motion, desk and room occupancy, and door and window opening with our range of smart building sensors.
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Outdoor Environmental Sensors
Monitor outdoor temperature, humidity and particulates with our robust outdoor environmental sensors.
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Cold Chain Monitoring
Monitor fridges and freezers with Laird Connectivity's range of industrial-grade cold-chain sensors.
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Agriculture Sensors
Measure soil moisture, temperature and light level to optimise growing and horticulture!
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People Counters
Count people passing through doorways in and out of buildings and rooms.
View All ➡
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LoRaWAN Devices
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Industrial Sensors & Transceivers
Connect industrial devices to your LoRaWAN network with our range of sensors and interfaces. Including: analogue and digital signals, RS485/Modbus and RS232/serial. Switch electrical devices and measure power usage.
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Water Valves & Meters
Monitor and control water flow with our smart LoRaWAN valves and meters. Ideal for leak detection and sub-tenant water metering, see our range of devices from Talkpool and Strega.
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Car Parking Sensors
Monitor your car park with Bosch Parking Lot Sensors. Ideal for capacity planning and management. Reduce hunting for spaces and boost efficiency of your parking lot.
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Pest Control
Xignal pest control traps boost efficiency and lower cost of pest management. Automate your pest control with notifications from your mouse and rat traps!
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Antennae & Accessories
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LoRaWAN Antennae
Antennae for LoRaWAN gateways and devices. From high-gain outdoor antennae to compact node antennae, we stock excellent quality Sirio, RAK, and Browan products to suit every LoRa gateway
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LoRaWAN Antennae
Low-loss RF cable assemblies, and adaptors for connecting antennae to LoRaWAN gateways. Various connector options, including N male/female, SMA and RP-SMA.
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Antennae Mounting
Need to mount your antenna outside? We have a selection of mounting brackets, custom made for us to support our gateways and antennae.
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Spares and Power Supplies
Spare parts, and power supplies for our gateways. Including mains and 12V PoE injectors.
View Spares ➡
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Development Tools
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LoRaWAN Development Tools
LoRaWAN development boards, including the Things Uno and Pi Supply Raspberry Pi, Arduino and micro:bit shields and HATs.
We also stock Otii by Qoitech, a great development tool for low-power hardware development.
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- Latest News
Milesight CT305 Smart Current Transformer - 3-phase 500A
We deliver globally via FedEx and hold stocks ready for immediate shipment
Related products and other variants
Milesight CT305 Three-Phase Smart Current Transformer EU868
Milesight's CT305 is a self-powered LoRaWAN Smart Current Sensor for the monitoring of energy usage in a 3-phase electrical circuit. The CT305 works on circuits carrying up to 500A - providing current consumption data though periodic and threshold (min/max) triggered messages.
CT305 can be easily installed next to an existing meter, and in distribution boards by a qualified electrician. CT305 can be widely used for energy motoring in domestic, commercial and industrial settings, as well as for machine run time and failure detection.
CT305 is battery-free as it's parasitically powered from the current passing through the cables being measured. This removes any need for ongoing maintenance.
The three current clamps provided are large enough to accommodate up to 36mm diameter cables, and feature a 1m cables back to the sensor itself for installation flexibility. The sensor antenna connects via a standard SMA connector - we can also supply external antennae to aid installations inside steel cabinets.
Key Features:
- Report the RMS current and accumulated current data periodically
- High measuring accuracy with a sampling frequency of up to 3.3 kHz
- Parasitic powered super capacitor means no batteries or external supply required
- Utilise a sampling rate of up to 1s for real-time monitoring and quick alarm response
- Compact size allows for installation in narrow spaces
- Non-invasive clamp design ensures easy and safe installation without the need for electrical power downs
- Equipped with LED indicator to indicate working status and alarms
- External SMA antenna
- Configuration via Downlinks or Milesight Toolbox app
- Sensor size: 38 × 39.7 × 16mm
- CT Clamp size: 65.52 × 90 × 43mm
- CTs accept Ф 36.6 mm cable
More information and guides
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