Energy Metering

Milesight RCT-100 is a split-core current transformer of the split-core type designed for use with the CTH01 Smart Power Monitor Hub. It enables non-invasive current measurement in the range 0–100 A with accuracy class 0.5. The split core allows the transformer to be installed directly around an existing conductor without cutting or disconnecting it.

RCT-100 connects to one of the CTH01 current inputs via RJ11. The transformer has a conductor opening of Ø16 mm, operates at −40…+55°C, withstands an insulation voltage of 3 kV AC and uses material with flammability class UL94 V0.

Milesight RCT-300 is an opening current transformer split-core designed for non-invasive AC current measurement up to 300 A in combination with the Milesight CTH01. The split-core design allows the transformer to be installed directly on an existing conductor without cutting it, while the RJ11 connector enables quick connection to one of the CTH01 measurement channels.

RCT-300 has accuracy class 0.5, a measurement opening of approximately Ø24 mm and is designed for industrial installations and systems monitoring energy consumption, loads and electrical parameters. One product means 1 RCT-300 transformer.

Milesight RCT-500 is a split-core current transformer of the split-core type designed for use with the Milesight CTH01 Smart Power Monitor Hub. It enables current measurement in the range 0–500 A with accuracy class 0.5, and the opening design allows the transformer to be installed around an existing conductor without cutting it.

RCT-500 has a conductor opening with a diameter of Ø36.6 mm and connects directly to one of the CTH01 measurement channels via RJ11. One RCT-500 monitors one conductor / current channel; in a three-phase installation, the appropriate number of transformers is used for the monitored phases.

Milesight CT101-868M is an intelligent LoRaWAN® current transformer designed for wireless RMS current measurement up to 100 A in a single conductor. The split-core design enables installation without disconnecting the monitored circuit, while 3.3 kHz sampling makes it possible to detect short-term load changes. Accuracy is ±1% for currents above 5 A and ±3% for values up to 5 A, with 1 mA resolution.

Variant CT101-868M operates in the LoRaWAN® EU868 band and supports OTAA/ABP Class A. The device can be powered by energy induced from the monitored conductor or by 5 V via USB-C, and the current version enables regular self-powered reporting from as low as 1.5 A at a 1-minute interval or 1.4 A at 10 minuteses. The transformer opening has a diameter of 16 mm, and the device supports alarms, optional conductor-temperature measurement and FUOTA updates.

Milesight CT103-868M is an intelligent LoRaWAN® current transformer designed for wireless RMS current measurement up to 250 A in a single conductor. The split-core design enables installation without disconnecting the monitored circuit, while 3,3 kHz sampling makes it possible to capture dynamic load changes. Accuracy is ±1% for currents above 5 A and ±3% for values up to 5 A, with 1 mA resolution.

Variant CT103-868M operates in the LoRaWAN® EU868 band and supports OTAA/ABP Class A. The device can be powered by energy induced from the monitored conductor or by 5 V via USB-C, and the current version enables regular reporting with self-powering starting from 3 A at a 1-minute interval or 2,8 A at 10 minuteses. The transformer opening has a diameter of 16 mm, and the device supports alarms, optional cable temperature measurement and FUOTA updates.

Milesight CT105-868M is an intelligent LoRaWAN® current transformer designed for wireless RMS current measurement up to 500 A in a single conductor. The split-core design enables installation on an existing installation without disconnecting the conductor, while the 3,3 kHz sampling frequency allows rapid detection of load changes. Accuracy is ±1% for currents above 5 A and ±3% for values up to 5 A, with 1 mA resolution.

Variant CT105-868M operates in the LoRaWAN® EU868 band and supports OTAA/ABP Class A. The device can be powered by energy induced directly from the monitored conductor or by 5 V via USB-C. The current version reports data with self-powering from as low as 5 A at a 1-minute interval or 4,7 A at 10 minuteses, supports threshold and overrange alarms, an optional NTC temperature sensor and FUOTA updates.

Milesight CT303-868M is a smart three-channel LoRaWAN® current transformer designed for wireless RMS current measurement up to 300 A per measurement channel. The split-core design allows the transformers to be installed on existing conductors without disconnecting them, and one module can monitor up to three phases or independent circuits. The device offers ±1% accuracy, 1 mA resolution and sampling at up to 3,3 kHz.

Variant CT303-868M operates in the LoRaWAN® EU868 band and supports OTAA/ABP Class A. It can be powered by energy induced from the monitored conductor or by 5 V via USB-C, and the current version enables regular reporting from as low as 3 A at a 1-minute interval or 2,5 A at 10 minuteses. Threshold and overrange alarms, optional NTC cable temperature measurement and FUOTA updates are supported. The transformer opening has a diameter of Ø24,2 mm.

Milesight RCT-1000 is a split-core current transformer Split-Core CT designed for use with the energy monitoring hub Milesight CTH01. The RCT-1000 variant enables current measurement in the range 0–1000 A, offers accuracy class 0.5 and has a measurement opening with a diameter of Ø51 mm.

The split-core design allows the transformer to be installed around an existing conductor without cutting it, while the RJ11 connection allows the sensor to be connected directly to one of the 12 CTH01 current channels. The transformer is designed for monitoring high loads, main supply circuits, distribution boards and industrial installations.

Milesight CT305-868M is a smart three-phase LoRaWAN® current transformer designed for wireless RMS current measurement up to 500 A per measurement channel. The split-core design enables installation on existing conductors without disconnecting them, and one module can simultaneously monitor up to three phases or independent circuits. The device offers ±1% accuracy, 1 mA resolution and sampling at up to 3,3 kHz.

Variant CT305-868M operates in the LoRaWAN® EU868 band and supports OTAA/ABP Class A. It can be powered by energy induced directly from the monitored conductor or by 5 V via USB-C. It supports threshold and overrange alarms, an optional NTC cable temperature sensor and FUOTA updates. The CT305 transformer opening has a diameter of 36,5 mm.

Phoenix Contact SCK-M-U-1500V 2903591 is a measurement module from the SOLARCHECK family designed for voltage monitoring in photovoltaic installations. The device has one voltage input and enables DC voltage measurement in the range 0–1500 V DC in CAT III and 0–1000 V DC in accordance with UL requirements.

The measured voltage is converted into a standard analog signal 2–10 V DC, which can be transmitted to a PV installation monitoring system. The module is powered by 24 V DC, features overvoltage protection, a max. transmission error of ±1% after additional calibration, and is designed for mounting on a 35 mm DIN rail.

Phoenix Contact MM-EE-EEM-EM357 1744495 is a three-phase energy meter from the ESSENTIAL edition family, designed for direct measurement in networks up to 480 V AC and 100 A. The device does not require external current transformers, is MID certified, and active energy is measured in class B according to EN 50470-3 and class 1 according to IEC 62053-21.

The meter is equipped with a backlit LCD display, an RS-485 interface with Modbus RTU and 2 pulse outputs. The voltage range is 100–276 V AC phase–N and 173–480 V AC phase–phase, Modbus RTU transmission can operate at 2400–38 400 bit/s, and the device is intended for DIN-rail mounting and operation at temperatures of −40…+70°C.

Phoenix Contact MM-EE-EEM-EM377 1684491 is a three-phase energy meter from the ESSENTIAL edition series, designed for direct measurement in networks up to 480 V AC and 100 A. The device does not require external current transformers, supports a frequency of 45–65 Hz and is MID certified. Active energy is measured in class B according to EN 50470-3 and class 1 according to IEC 62053-21.

The meter is equipped with a backlit LCD display and RJ45 Ethernet with Modbus TCP protocol and 100 Mb/s transmission. The measurement range is 100–276 V AC phase–N and 173–480 V AC phase–phase, while the maximum direct current is 100 A AC. The 72 mm-wide housing occupies 4 DIN modules and can operate at temperatures of −40…+70°C.

Phoenix Contact MM-EE-EEM-MA500 1484138 is a multifunction energy meter designed for measurement of electrical parameters in installations up to 600 V AC. The device works with external 1 A or 5 A current transformers, enables configuration of the primary current in the range 1–9999 A and provides active-energy measurement in class 1 according to IEC 62053-21 and reactive energy in class 2 according to IEC 62053-23.

Model The MM-EE-EEM-MA500 has a multi-line, two-color backlit LCD display and a pulse output enabling energy-consumption information to be transmitted to supervisory devices. The meter is powered with 85–275 V AC or 120–380 V DC, intended for 96 × 96 mm panel mounting and can operate at temperatures of −25…+70°C.

Phoenix Contact EEM-XM357 1674511 is a three-phase, bidirectional energy meter from the EMpro family, designed for direct current measurement up to 100 A AC. The device records imported and exported energy in four quadrants, supports 4 tariffs and is MID compliant. Active energy is measured in class C according to EN 50470-3 and class 0.5 according to IEC 62053-21.

The meter is equipped with a backlit LCD display, RS-485 with Modbus RTU and 2 passive, optically isolated pulse outputs. The measurement voltage range is 100–277 V AC phase–N and 173–480 V AC phase–phase, Modbus RTU communication supports 2400–38 400 bit/s, and the device is powered directly from the measurement circuit and intended for DIN-rail mounting.

Phoenix Contact EEM-XM377 1674501 is a bidirectional energy meter from the EMpro family, designed for direct current measurement up to 100 A AC in single- and three-phase networks. The device records imported and exported energy in four quadrants, is MID compliant and provides active-energy measurement in class C according to EN 50470-3 and class 0,5 according to IEC 62053-21.

Model EEM-XM377 is equipped with a backlit LCD display and RJ45 Ethernet with Modbus TCP protocol and 100 Mb/s transmission. The measurement voltage range is 100–277 V AC phase–N and 173–480 V AC phase–phase, while the meter is powered directly from the measurement circuit and can operate at temperatures of −40…+70°C.

Phoenix Contact MM-EE-EEM-MA550 1475401 is a multifunction network-parameter meter designed for monitoring energy and electrical parameters in installations up to 600 V AC. The device performs True RMS measurement, supports external 1 A or 5 A current transformers, enables primary-current configuration up to 9999 A and analyzes harmonics up to the 63rd harmonic.

The meter has a backlit LCD display and an RS-485 with Modbus RTU protocol with transmission at 2400–38 400 bit/s. Voltage measurement accuracy is 0,2%, active energy is measured in class 0.5 S according to IEC 62053-22, and reactive energy in class 2 according to IEC 62053-23. The device is panel-mounted, operates at temperatures of −25…+70°C and can be powered with 85–275 V AC or 120–380 V DC.

Milesight RRC-RJ11 is a flexible Rogowski coil for AC current measurement up to 4000 A, designed for use with the Milesight CTH01 Smart Power Monitor Hub. The large measurement opening Ø150 mm enables installation around large conductors and busbars, while measurement accuracy is ±2%.

The coil connects directly to a CTH01 measurement channel via an RJ11connector. It operates from −40 to +55°C, has insulation of 3 kV AC and a construction made of materials meeting UL94 V0. RRC-RJ11 is designed for energy consumption and electrical parameter monitoring systems with high current values.

Milesight CT310-868M is a wireless LoRaWAN® current transformer designed for RMS current measurement up to 1000 A per measurement channel. The design with openable transformers enables non-invasive installation without disconnecting the conductor and simultaneous monitoring of up to three phases. The device offers ±1% accuracy, 1 mA resolution and sampling at up to 3,3 kHz.

Variant CT310-868M operates in the LoRaWAN® EU868 band, supports OTAA/ABP Class A and can be powered by energy induced directly from the monitored conductor or by 5 V via USB-C. It supports threshold and overrange alarms, optional cable temperature measurement using an NTC sensor and FUOTA updates. The CT310 transformer opening diameter is 51 mm.

Phoenix Contact ECM-UC-10A-UI 1136504 is a configurable measuring transducer designed for measurement of alternating, direct and distorted currents. The device offers four measurement ranges 0–0,1 A, 0–1 A, 0–5 A and 0–10 A AC/DC, while the maximum configurable input value is 12,5 A AC/DC according to DIN/EN 61010-1. The maximum transmission error is 0,5%, and the measurement bandwidth can be set up to 1000 Hz.

Version The ECM-UC-10A-UI has a configurable analog voltage or current output, including 0–10 V, ±10 V, 0–20 mA and 4–20 mA. Configuration is performed via USB-C and the built-in web interface even without an external 24 V DC power supply. The supply range is 9,6–30 V DC, the device has Push-in terminals and can operate at temperatures of −40…+60°C.

Milesight CTH01-868M is a 12-channel hub for monitoring electrical energy and power quality in single- and three-phase installations. One device can monitor up to 12 single-phase circuits or 4 three-phase circuits, measuring, among other parameters, RMS voltage and current, active, reactive and apparent power, imported and exported energy, power factor, THDv, THDi and voltage unbalance.

CTH01-868M communicates via LoRaWAN EU868 Class C and supports current transformers up to 1000 A and Rogowski coils up to 4000 A. Voltage measurement covers the range 100–500 V AC, while 6–8 kHz sampling enables advanced network parameter analysis. Configuration is performed wirelessly via Bluetooth and the Milesight ToolBox app.

Phoenix Contact EEM-MB370 2907954 is a multifunction energy meter from the EMpro family designed for measurement and monitoring of electrical parameters in low-voltage installations up to 690 V AC. The device performs continuous TRMS measurement and analyzes harmonics up to the 63rd harmonic and works with 1 A or 5 A current transformers, enabling measurement of primary currents up to 20,000 A.

The meter is designed for DIN-rail mounting and does not have a local display — configuration and operation are performed via the integrated web server. EEM-MB370 has 10/100 Mb/s Ethernet with Modbus TCP and REST API, a 24 V DC digital input and output, and provides voltage and current measurement accuracy of 0,2% and active energy class 0.5 S according to IEC 62053-22.

Phoenix Contact EEM-MB371-24DC 1127055 is a multifunction energy meter from the EMpro family designed for measurement of electrical parameters in low-voltage installations up to 690 V AC. The device has direct inputs for Rogowski coils and enables current measurement up to 400 A or 4000 A, performs continuous True RMS measurement and analyzes harmonics up to the 63rd harmonic.

Version EEM-MB371-24DC is a version without a local display, powered by 24 V DC in the 18–30 V DC range. The meter has 10/100 Mb/s Ethernet with Modbus TCP and REST, a 24 V DC digital input and output, active energy class 1 according to IEC 62053-21 and is designed for DIN-rail mounting.

Phoenix Contact EEM-MB370-24DC 1127061 is a multifunction energy meter from the EMpro family, designed for measurement of electrical parameters in low-voltage installations up to 690 V AC. The device is designed to work with external 1 A or 5 A current transformers, allows the primary current to be configured in the range 1–20 000 A, performs continuous True RMS measurement and harmonic analysis up to the 63rd harmonic.

Model EEM-MB370-24DC is a version without a local display, powered with 18–30 V DC. It has 10/100 Mb/s RJ45 Ethernet supporting Modbus TCP and REST, one input and one 24 V DC digital output. Active energy is measured in class 0,5 S according to IEC 62053-22, and the device is designed for DIN-rail mounting and operation at −25…+70°C.