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Smart Power Monitor Hub – 12 Current Channels, LoRaWAN: CTH01 | Milesight

Milesight CTH01 Smart Power Monitor Hub with 12 current channels, 3 voltage channels and LoRaWAN connectivity. Monitor electrical energy, power quality and harmonic distortion in commercial and industrial installations.

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The Milesight CTH01 is a LoRaWAN smart power monitoring hub designed for multi-circuit electrical energy measurement and power quality analysis. With 12 current measurement channels and 3 voltage measurement channels, it enables simultaneous monitoring of single-phase and three-phase electrical circuits in commercial buildings, industrial facilities and data centers.

The CTH01 measures electrical parameters including voltage, current, active power, reactive power, apparent power, energy consumption, power factor and total harmonic distortion (THD). Its LoRaWAN connectivity supports integration into remote energy management systems, while Bluetooth configuration and flexible current transformer options simplify deployment across different electrical installations.

What is the CTH01 used for?

The CTH01 Smart Power Monitor Hub is designed to collect and analyze electrical measurements from multiple circuits within a power distribution system. It provides the data required to monitor energy consumption, evaluate power quality and assess the operating conditions of electrical equipment.

Its 12 current channels can be independently configured for single-phase circuits, grouped into four three-phase circuits, or used in mixed configurations. This flexibility makes the CTH01 suitable for monitoring electrical distribution systems with different circuit arrangements.

Advantages

Multi-channel electrical monitoring: simultaneous acquisition of 12 current channels and 3 voltage channels.
Flexible circuit configurations: supports single-phase, three-phase and mixed electrical installations.
Comprehensive power analysis: monitors active, reactive and apparent power, energy consumption, power factor, harmonic distortion and voltage three-phase unbalance.
High measurement accuracy: active energy accuracy of ±1% according to IEC 62053-21 and reactive energy accuracy of ±2% according to IEC 62053-23.
Multiple current sensor options: compatible with split-core current transformers rated at 100 A, 300 A, 500 A and 1000 A, as well as Rogowski coils rated at 4000 A.
Flexible voltage measurement: supports direct voltage terminal connections and an optional non-invasive magnetic connection method.
Wireless data transmission: integrated LoRaWAN communication for remote electrical monitoring and system integration.
Bluetooth configuration: parameter setup, measurement reading and current direction calibration through the Milesight Toolbox mobile application.
Local data storage: stores measurement records, alarms and up to 12 months of energy statistics.
Alarm management: supports configurable threshold alarms, overload and out-of-range alarms, and power failure alarms.
Firmware updates: supports Firmware Update Over The Air (FUOTA).

Technical specifications

Electrical Measurement
Current measurement channels	12
Voltage measurement channels	3
Circuit configurations	Single-phase, three-phase or mixed configurations
Measured parameters	RMS voltage and current; power factor; active, reactive and apparent power; active, reactive and apparent energy; voltage three-phase unbalance; voltage THD and current THD
Sampling frequency	6–8 kHz
Working frequency	50–60 Hz
Active energy accuracy	±1% (IEC 62053-21)
Reactive energy accuracy	±2% (IEC 62053-23)
Voltage and Current Interfaces
Voltage measurement range	100–500 V AC
Voltage measurement accuracy	±1%
Maximum N-L voltage	290 Vrms
Maximum L-L voltage	500 Vrms
Current measurement range	Up to 4000 A with compatible current sensors
Current sensor interface	12 × RJ11 channels
Voltage wire connection	AWG 26–12
Temperature Monitoring
Sensor type	External NTC temperature sensor
Temperature measurement range	-20°C to +100°C
Temperature accuracy	±1°C
Wireless Communication and Data Management
Wireless protocol	LoRaWAN
Frequency bands	CN470 / IN865 / RU864 / EU868 / US915 / AU915 / KR920 / AS923-1, 2, 3, 4
Transmission power	16 dBm (868 MHz); 20 dBm (915 MHz); 19 dBm (470 MHz)
Receiver sensitivity	-137 dBm
LoRaWAN mode	OTAA / ABP, Class C
Antenna connector	50 Ω SMB female external connector
Configuration	Milesight Toolbox mobile application via Bluetooth
Data storage	20,000 data entries and 2,000 alarms
Energy statistics	Up to 12 months
Advanced features	Threshold alarms, out-of-range alarms, power failure alarms, FUOTA
Physical and Environmental Characteristics
Power supply	12 V DC via included AC/DC power adapter
Maximum power consumption	5.8 W
Operating temperature	-20°C to +70°C
Relative humidity	≤95% RH (non-condensing)
Ingress protection	IP30
Dimensions	49.3 × 98 × 90 mm
Weight	163 g
Installation	35 mm DIN rail; optional magnetic mounting
Overvoltage category	Category III
Maximum altitude	2,000 m
Regulatory approvals	ETL Listed (UL/CSA 61010-1 and UL/CSA 61010-2-030), CE (RED & LVD), FCC, SRRC
Environmental compliance	RoHS

Compatible Current Transformer Options

The CTH01 supports split-core current transformers and Rogowski coils for different current measurement requirements. Mixed sensor types are supported, provided that coils are consistent within the same measurement group.

Sensor Type	Current Range	Accuracy
Split-core CT	0–100 A	Class 0.5
Split-core CT	0–300 A
Split-core CT	0–500 A
Split-core CT	0–1000 A
Rogowski coil	0–4000 A	±2%

Typical applications

Commercial building energy management: monitor electrical consumption across multiple distribution circuits.
Industrial facilities: analyze electrical parameters and equipment operating conditions.
Data centers: monitor energy consumption and power quality across critical electrical circuits.
Multi-tenant buildings: collect energy measurements to support electricity cost allocation.
Preventive maintenance: monitor electrical parameters, harmonic distortion and alarm conditions to identify changes requiring investigation.
Energy efficiency analysis: collect power and energy data to support energy management and consumption assessments.

What should you check before choosing the CTH01?

Before selecting the CTH01, verify the number of circuits to monitor, the electrical distribution configuration and the required current measurement ranges. The device supports up to 12 single-phase current channels or four three-phase circuit groups, including mixed configurations.

Choose compatible split-core current transformers or Rogowski coils according to the expected circuit currents. Also verify the 100–500 V AC voltage measurement range, the 50–60 Hz operating frequency and the appropriate LoRaWAN regional configuration.

For Canadian installations, confirm the US915 version, applicable electrical installation requirements and compatibility with the intended network infrastructure. The CTH01 is designed for indoor electrical installations with an IP30 enclosure.

Frequently asked questions

How many electrical circuits can the CTH01 monitor?

The CTH01 provides 12 current channels that can be configured individually for single-phase applications, grouped into four three-phase circuits or arranged in mixed configurations.

Does the CTH01 measure power quality?

Yes. In addition to voltage, current, power and energy measurements, it supports voltage total harmonic distortion (THDv), current total harmonic distortion (THDi) and voltage three-phase unbalance monitoring.

Which current sensors are compatible with the CTH01?

The device supports split-core current transformers with ranges of 100 A, 300 A, 500 A and 1000 A, as well as Rogowski coils rated at 4000 A.

Can the CTH01 communicate with remote energy management platforms?

Yes. The CTH01 uses LoRaWAN communication and supports integration with the Milesight Development Platform and compatible third-party platforms.

Does the CTH01 support temperature monitoring?

Yes. An external NTC temperature sensor can be connected for cable temperature measurements from -20°C to +100°C.

Why choose the Milesight CTH01?

The Milesight CTH01 Smart Power Monitor Hub combines multi-channel electrical measurement, power quality analysis and LoRaWAN connectivity in a compact DIN-rail-mounted device.

Its flexible current sensor options, configurable circuit arrangements and local data storage make it suitable for commercial and industrial energy monitoring projects requiring detailed electrical measurements across multiple circuits.

Technical support from ES Canada

ES Canada assists Canadian technical users with the selection of Milesight monitoring equipment, current transformer options and LoRaWAN integration solutions according to their electrical measurement and energy management requirements.