Top rated Energy monitors
Here's a ranking of the top rated products in this category. To give you a quick overview, we've also added some key information about the products.
1. Shelly Pro 3EM 120A
The Shelly Pro 3EM is a Wi-Fi-operated, DIN-mountable 3-phase power consumption meter with Wi-Fi, Bluetooth, and LAN connectivity. With its 1% accurate active energy measurement, the Shelly Pro 3EM can be used to monitor the consumption of all household appliances, circuits, and office devices individually. Historical data is stored for up to 60 days, with each phase having a one-minute resolution. Additionally, the scripting functionalities allow for the execution of complex scenarios and provide advanced monitoring options.
Includes 3 current transformers 120 A.
2. Shelly 3EM
The Shelly 3EM distinguishes and detects energy consumption and energy feed-in to the grid. The measurement data is displayed in the app, the optionally activatable cloud, and the web interface in clear graphics. Additionally, MQTT can be activated to register it with a corresponding MQTT broker. It is factory calibrated with the included clamps, achieving an accuracy of over 99%. Furthermore, it features a relay contact that can be used to control a relay, for example. Installation is done in the distribution box on the DIN rail. The measurement values are displayed in real-time. It is also possible to calculate energy costs. The Shelly 3EM can be controlled via the Shelly app, the optionally activatable cloud, as well as through MQTT and REST API. Energy consumption thresholds can be set, and when reached, the Shelly 3EM can switch off the power via the relay contact. Control based on time or sunrise and sunset is also possible. In addition to measuring energy consumption, the energy fed into the grid can also be measured. The Shelly 3EM automatically detects how much energy is consumed and how much is fed in, presenting this information clearly in a graphic. The measurement data is stored in the cloud for 365 days. The data is also written to a CSV file in 5-minute intervals, which can be exported by the Shelly 3EM. The Shelly 3EM features a programming and debug header that can be used for flashing alternative firmware. It is equipped with an ESP8266 with 4 MB of flash. It can be integrated into various smart home systems: Home Assistant, Hubitat, openHAB, Domoticz, REST API, MQTT, ioBroker, nymea, and HomeSeer.
Included in delivery: 1x Shelly 3EM, 1x user manual, 3x current transformers 120A.
3. Shelly PM Mini Gen3
Shelly PM Mini Gen3 is a smart power meter with a compact design that enables remote monitoring of the electricity consumption of electrical devices. It can be retrofitted into standard flush-mounted boxes, behind sockets and light switches, or in other locations with limited space. The device can be accessed from anywhere the user has an internet connection. It can be controlled and monitored as long as it is connected to a Wi-Fi router and the internet. The device features an integrated web interface that allows you to monitor, control, and adjust its settings. 1 piece.
4. Shelly PM Mini Gen3 x2
The Shelly PM Mini Gen3 is an advanced, Wi-Fi-controlled energy meter designed for precise real-time monitoring of electricity consumption. With a powerful ESP32 processor and expanded flash memory, this device supports a maximum current of 16 A at 240 V AC. It allows for detailed analysis of energy usage through free cloud data storage, facilitating easy optimization of consumption behavior. The PM Mini Gen3 is versatile and supports various protocols and technologies, including scripting, webhooks, and MQTT, making it a flexible solution for modern smart home applications. Control is straightforward via the Shelly Smart Control App or popular voice assistants, with no hub required. Its compact design makes the PM Mini Gen3 ideal for integration into existing systems.
- Real-time power measurement with free cloud data storage
- Supports a maximum current of 16 A at 240 V AC
- Compatible with scripting, webhooks, MQTT, and other protocols
- Easy control via the Shelly Smart Control App and voice assistants
- Wi-Fi and Bluetooth Low Energy for flexible connectivity.
5. Eltako Alternating current meter
Only calibrated meters are approved for electricity billing according to §25 of the German Calibration Act. Non-compliance is an administrative offense under §19. Maximum current is 65 A, with a standby loss of only 0.4 watts. This is a modular device for mounting on a DIN-EN 60715 TH35 rail. 1 modular unit = 18 mm wide, 58 mm deep. Accuracy class B (1%). Equipped with an S0 interface. This AC meter measures active energy based on the current flowing between the input and output. The self-consumption of only a maximum of 0.4 watts of active power is not measured and not displayed. One external conductor with a current of up to 65 A can be connected. The starting current is 40 mA. If a load exceeding 50% is expected, a ventilation distance of 1/2 modular unit must be maintained from adjacent devices. If necessary, use the spacer DS12. Two N terminals for secure cross-wiring of multiple meters. The 7-segment LC display can also be shown twice within two weeks without power supply.
6. Orno 3-phase electricity meter
The Orno 3-phase energy meter is a highly precise measuring device designed for monitoring electricity consumption in three-phase systems. With an accuracy class of B and a measurement range of 0.25 to 80 Amperes, this single-rate meter provides reliable and accurate readings of energy usage. The digital LCD display allows for clear and easy reading of consumption data, while the reverse flow prevention feature ensures that no unwanted backflows are recorded. The meter is suitable for mounting on a DIN rail and has an S0 interface that enables easy integration into existing systems. With a frequency range of 50 Hz, this energy meter is ideal for use in various electrical applications and offers a robust solution for energy monitoring.
- LCD display for clear readings
- Reverse flow prevention to prevent unwanted backflows
- S0 interface with 800 impulses/kWh
- Suitable for DIN rail mounting
- Frequency range of 50 Hz for versatile applications.
7. Shelly 3EM-63T Gen3
The Shelly 3EM-63T Gen3 (Flat Terminal Model) is an advanced three-phase energy meter specifically designed to accurately measure energy consumption in three individual phases. With a maximum load of up to 63A and an accuracy of 99%, this device fulfils IEC 62053-21 Class B standards. It enables real-time monitoring of power data such as current, voltage and power factor with a resolution of one minute. The integrated data storage allows energy consumption data to be stored for up to five years, enabling comprehensive analysis of energy consumption over longer periods of time. The Shelly 3EM-63T is easy to install and requires no additional space on the DIN rail as the electronics and current transformers are integrated in a compact housing. The device also offers broad compatibility with over 200 smart home systems, making it a flexible solution for modern households.
8. Shelly 3EM-63W Gen3
The Shelly 3EM-63W Gen3 (Wire Model) is an advanced three-phase energy meter specifically designed to accurately measure energy consumption in three individual phases. With a maximum load of up to 63 A and an accuracy of 99 %, this device fulfils IEC 62053-21 Class B standards. It enables real-time monitoring of power data such as current, voltage and power factor with a resolution of one minute. In addition, the Shelly 3EM-63W stores energy consumption data at hourly intervals for up to five years, enabling comprehensive analysis of energy consumption. The compact design integrates electronics and current transformer in one unit, minimising the space required on the DIN rail. Easy installation and advanced connectivity options make this device an ideal choice for modern smart home applications.
9. Shelly Pro 3EM-3CT 63
Next generation of DIN rail-mounted energy meters for single or three-phase applications with a combined 63A, 3-phase current transformer.
The Shelly Pro 3EM-3CT63 is a DIN rail-mounted energy meter for single or three-phase applications. It is equipped with the full flexibility of Gen2 firmware and LAN connectivity, providing professional integrators with additional options for end-user solutions. It can operate independently in a local LAN and/or Wi-Fi network or through cloud home automation services using Modbus, MQTT, HTTP, and WebSocket. All incoming connections support TLS.
The device reports accumulated energy as well as instantaneous voltage, current, active power, and apparent power per phase/channel in real-time. It stores data in non-volatile memory, which can be retrieved over a period of up to 60 days in 1-minute intervals.
The device features a real-time clock that maintains the correct time in case the connection to an SNTP server is lost.
The Shelly Pro 3EM-3CT63 can be accessed, configured, and monitored remotely by the user, and the device can access and communicate with an automation system as long as they are on the same network.
The device has a built-in web interface that can be used to monitor and control the device as well as to adjust its settings.
Note: The device does not have a built-in relay. The control of the contactor is done through a Shelly Pro 3EM Switch add-on connected to the Shelly Pro 3EM-3CT63.
10. Shelly Split Core
Current transformer clamp for Shelly Pro 3 EM. Rated primary current: 120 A. Rated secondary current: 40 mA. Accuracy: 1%. Can measure up to 120 A for each phase and the neutral conductor. Phase sequence error detection (optional). Memory that can be retrieved over a period of up to 60 days in 1-minute intervals. Two-way energy consumption monitoring. Monitor your home, office, or factory to avoid unnecessary expenses or voltage drops that can damage your household and office appliances. Shelly Pro 3 EM can calculate two-way consumption: produced and consumed energy for each of the three phases. The device can also be configured to measure three separate circuits of a single-phase electrical system. Displays the quality of your power grid in terms of active power, reactive power, voltage, and power factor.
