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Product description
Real-time electricity monitoring and usage tracking, take detailed insight into your energy consumption
Cast Energy Waste
Stop Paying for Electricity That Doesn’t Work
Get alerts for issues like devices left on too long or abnormal high-power consumption spikes.
Preventive Monitoring
Set Usage Alerts to Avoid High Costs
1. When consumption surpasses your usage plan or budget.
2. When demand charges are at risk of exceeding limits (to avoid penalties).
3. When excess solar generation is being exported to the grid (to prevent waste).
Find Energy Hogs
Know exactly which appliances are your biggest energy hogs.
With a capacity of up to 30 individual monitored circuits, it ensures accurate metering and logging for most electrical loads, empowering you to find energy waste down to the specific device.
Real-Time Monitoring
Get full visibility into how and when your appliances use electricity.
Live Data: Get current appliance running status and state;
Energy Curve: Records energy usage data on a 24-hour basis.
Historical Record: 36 month data store in cloud and could be review.
Join in Home Assistant To Do Smart Schedule
Hight Privacy, Reliabe and Instant Access
No network interruption to your business.No sensitive data export and privacy guaranteed Local API Acceess from Modbus TCP MQTT access
Join in Smart Scheduling, Automated Savings, and Guaranteed Privacy.
Smart Schedule to Save
Boost Solar Efficiency
Shift energy-intensive appliances—like EV charging, hot pump or heating—to solar peak hours. Keep no solar power feeding in.
Lower Your Power Bills
Schedule devices to run when electricity is cheapest
Smart Load Shifting
Automatically schedules non-essential devices to run during off-peak hours, avoiding high demand charges.
Built-in Home Assistant Support for Smart Homes Integrate with CSMS for Dynamic EV Load Management
What makes eMonHub unique?
Built-in self-consumption and feed-in metering, suitable for analyzing the efficiency of renewable energy systems like PV, V2G, or BESS.
Smart Data Management：Auto group circuit by application.
High-Accuracy Measurement: Utilizing high-accuracy DSP-based metering, precision calibration equipment, and intelligent algorithms, the system ensures measurement accuracy of up to 99%.
Flexible Deployment: Offers both Wi-Fi and Ethernet connectivity and supports DIN-rail or cabinet mounting.
Scale Your Setup：Combine 2-3 eMonHub units to scale your monitoring capacity up to 30 circuits.
Space-Saving Design: Compact and easy to install, even in space-limited electrical cabinets or switch boxes.
Certified Reliability, Proven in Use: Our product is rigorously tested and fully compliant with UL standards. It has also been refined through extensive real-world use.
Technical Specifications
Power Supply:Power Supply: 100-240 V~, 50/60 Hz
Number of Circuits: 10
Setup: Pre-configured, Mobile App;
Network: 2.4 GHz Wi-Fi, Ethernet;
Power Systems: Single-phase, Split phase, 3P4W Wye systems with earthed (TN or TT) neutral (no-Delta);
Max. Power Consumption: 5 W
Operating Temperature: -12 to 122 °F (-25 to 50 °C)；
Storage Ambient Temperature: -40 to 167 °F (-40 to 75 °C);
Accuracy: 99%;
Certifications: FCC, CE
Simple Configuration，Rapid deployment and Easy Operation
Quick and easy setup
It just works: the device comes with default configurations tailored to user habits, supporting immediate use. If adjustments are needed for specific scenarios, users can quickly adapt the settings by making minor modifications to the default template.
Supports both graphical and textual chart displays, presenting data in an intuitive and easy-to-understand manner, helping users quickly grasp information and get started effortlessly. Offers web and mobile application platforms, allowing users to flexibly choose their access method for convenient management anytime, anywhere, enabling free and efficient device control.
Scalable Modular Configuration
To meet diverse customer needs and budget, our system offers modular monitoring solutions for 3, 10, 20, or up to 30 circuits. Customers can choose between cloud-based access or Home Assistant integration, with the flexibility to switch software firmware at any time.
The HA model comes pre-configured with Home Assistant firmware and includes 10 Current Transformers (CTs): 2 for 200A circuits and 8 for 50A circuits.
Standard Model for Cloud Access
This standard model offers cloud-based monitoring with zero server setup. Users can effortlessly access real-time data, reports, and insights—such as consumption ranking, runtime monitoring, and self-consumption analysis—directly via mobile app or web browser. The package includes 10 Current Transformers (CTs) for comprehensive coverage: 2 for 200A circuits and 8 for 50A circuits. Users could also switch the firmware to home assistant function.
Enhance Model HA20(Pro)
Enhanced for Complex Monitoring: Ideal for detailed tracking of multiple loads or separate monitoring of main/sub panels.High-Capacity Circuit Support: Monitors up to 20 circuits by default (2x 200A, 18x 50A).Dual-Firmware Flexibility: Ships with Home Assistant firmware, with an option to switch to Cloud firmware.
eMonHub HNA03 Lite
This basic model comes with 2x 200A and 1x 50A Current Transformers (CTs), which is designed for applications that only require monitoring grid supply and PV system, or another individual load. It comes pre-configured with cloud firmware, but user could upgrade to home assistant function.
eMonHub Home Assistant (HA)
eMonHub Standard(Std)
eMonHub Home Assistant Pro(HNA20)
eMonHub HNA03(Lite)
Smart Energy Monitor for Home Assistant,Take full control of your home’s energy with deep Home Assistant integration.Seamless Integration: Connects directly to Home Assistant for real-time monitoring, data display, and advanced analysis.Automated Control: Actively participates in your automations for intelligent energy management and savings.Local & Secure: All data is stored locally on your network, guaranteeing privacy, reliability, and fast access.Plug & Play: With automatic device discovery, setup is effortless—unbox, connect, and you’re ready to go.
Your Home’s Energy, Decoded.Go beyond basic monitoring with intelligent data that empowers action: Live Power Metrics: See voltage, current, and active power update on seconds. Minute-by-Minute Trends: Get precise energy totals and peak demand data for smarter habits.Auto-Grouped Data: Usage is automatically categorized, eliminating manual work and revealing clear insights.Renewable Performance Dashboard: Track exactly how your solar,V2G,BESS energy is used or feed in, and calculate your system’s true efficiency.
24/7 Whole-Home Energy Intelligence. Each eMonHub monitors 10 circuits with bidirectional metering, providing the perfect solution for tracking solar(PV),V2G,and BESS systems.Precisely measure energy self-consumption and grid feed-in.Scalable System: Combine 2-3 eMonHub units to monitor up to 30 circuits.Dual Connectivity: Features both Wi-Fi and Ethernet for flexible,reliable internet access.Compact,Modern Design: Embedded spring terminals enable a space-saving installation, offering a cleaner look than bulky traditional connectors.
INSTALLS IN CIRCUIT PANEL：Supports the standard residential split-phase power system in North America. Single-phase single wire and three-phase power systems（TN/TT） can also be supported through software configuration changes.
SAFETY AND RELIABILITY: This device is certified by FCC and CE, and it has been tested and verified in full compliance with UL/IEC standards. It prevents hazards, such as overheating, short-circuiting, or fire, offering you peace of mind as you manage your home’s energy consumption. It runs stable even in harsh environments.
$129.98