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Smart Current Transformer

Model: CT10x

CT10x is a LoRaWAN® Smart Current Transformer for monitoring the energy andanalyzing consumption remotely. CT10x provides multiple current options to suit energy monitoring and support sending threshold alarms. CT10x is detachable, the compact size and clamp design allow it to be installed in any indoor space quickly and safely without de-energizing a facility, simplifying the installation and saving the cost. Compliant with LoRaWAN® gateway and Development Platform solution, CT10x can be monitored via webpage remotely. CT10x is widely used for energy motoring of smart buildings, machine failure detection and prevention, etc.

Key Highlights

Reports RMS current and accumulated current data by minute
Supports optional accumulated energy consumption reporting
High measuring accuracy with up to 3.3 kHz sampling frequency
Self-powered operation with no batteries or external wiring required

Contact Sales

Warranty3 Years Standard

Lead Time2-4 Weeks

CertificationFCC, CE, RoHS

Product Overview

The CT10x is a compact LoRaWAN® smart current transformer designed for remote energy monitoring and consumption analysis in indoor electrical systems. It features a non-invasive, split-core clamp design that allows for quick and safe installation on live wires without de-energizing facilities or disrupting operations. The device functions on self-powered operation by deriving energy directly from the induced current of the measured cable, eliminating the need for batteries or external wiring. Engineered for precision, it features an exceptional sampling frequency of up to 3.3 kHz to accurately report RMS current and accumulated energy data.

It acts as an early warning system by providing immediate irregular status alerts for current thresholds, over-current, and low-voltage conditions. Additionally, the transformer includes a USB Type-C port that serves as an alternate power source, configuration interface, and an extension point to connect an external sensor for cable temperature monitoring. Utilizing LoRaWAN® wireless communication, the CT10x seamlessly transmits critical load data to network servers and integrates effortlessly with building management systems (BMS) for centralized visibility.

Key Features & Capabilities

Enterprise-grade technology designed for mission-critical operations

Self-powered operation

Runs directly from the measured circuit without batteries or external power

High-accuracy current monitoring

Up to 3.3 kHz sampling frequency delivers precise RMS current measurements

Real-time energy tracking

Calculates accumulated ampere-hours every second for detailed consumption analysis

Non-invasive installation

Split-core clamp design enables quick deployment without power interruption

LoRaWAN wireless connectivity

Long-range wireless transmission with threshold alarms and remote monitoring support

Technical Specifications

Key technical details and performance specifications

Specification	Details
Detection Parameter	RMS Current
Sampling Frequency	3.3 kHz
Working Frequency	50~60 Hz
Rated Primary Current	CT101: 100 Arms, CT103: 250 Arms, CT105: 500 Arms
Rated Secondary Current	CT101: 100 mArms, CT103: 125 mArms, CT105: 150 mArms
Minimum Reporting Current	CT101: 1.5 Arms (1 min), 1.4 Arms (10 min); CT103: 3 Arms (1 min), 2.8 Arms (10 min); CT105: 5 Arms (1 min), 4.7 Arms (10 min)
Measurement Accuracy	±1 % (>5Arms), ±3 % (≤ 5Arms)
Resolution	1 mA
Temperature Sensor	NTC, -20°C to 100°C, ±1% accuracy
Wireless Protocol	LoRaWAN®
Antenna Connector	1 x 50 ? SMA Connector (Center PIN: SMA Female)
Frequency Bands	CN470, IN865, RU864, EU868, US915, AU915, KR920, AS923-1/2/3/4
Transmit Power	16 dBm (868 MHz), 22 dBm (915 MHz), 19 dBm (470 MHz)
Receiver Sensitivity	-137 dBm
LoRaWAN Mode	OTAA / ABP Class A
Button	1 x Reboot Button
LED Indicator	1 x Status/Alarm Indicator
Port	1 x USB Type-C for Power Supply, Configuration, Console or Temperature Sensor Connection
Configuration	USB Type-C or Downlink
Advanced Features	Threshold Alarm, Overrange Alarm, FUOTA
Power Supply	Induced Current Power Supply or 5V via USB Type-C
Insulation Voltage	2.5 kVac (r.m.s) (1 mA/1 min)
Housing Material	Blue, PBT+PC (UL94 V0)
Extension Cable Length	1 m
Operating Temperature	-20°C~70°C (-4°F~158°F)
Storage Temperature	-25°C~80°C (-13°F~176°F)
Relative Humidity	≤ 95% (Non-condensing)
Ingress Protection	IP30
Dimensions	86.5 × 31 × 37.4 mm (3.4 × 1.22 × 1.47 in)
Transceiver Dimensions	38 × 34.5 × 16 mm(1.5 × 1.36 × 0.63in)
CT Clamp Dimensions	68 × 86 × 41.8 mm(2.68 × 3.39 × 1.65in)
Wire Hole Size	Ф 16 mm (0.63 in) / ?36.5 mm (1.44 in)
Weight	85.65 g
Transceiver Weight	13.05 g
CT Clamp Weight	276.75 g
Installation	Cable-tie Mounting (Transceiver), Suspended on Testing Conductor (CT Clamp)
Certifications	CE, FCC, UL508