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Submetering Kit STXtra

Energy monitors manufacturer



Monitor multiple circuits or appliances with the efergy Submetering Kit. Easy to install, it measures you electricity usage and sends it to your Engage Hub so that you can view your energy consumption breakdown in real time even when you are not at home. NOT suitable for TPM (True Power meter). 

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The Energy Sensor (Submetering) Kit will enable you to monitor a group of appliances or circuits. Easy to install, the information will be updated instantly, which means you can act immediately, helping you to be more energy efficient and save money on your electricity bill. NOT suitable for TPM (True Power Meter).

The information will be displayed on the Engage Web Portal. This will be presented in energy units (Watts and kWh). You can open the Android or iPhone App and walk around the home switching appliances on and off to see how much energy particular devices are using. When you are away on holidays, at work or on the move and you want to know how much energy your home is using at that time or in the past, you simply access the portal. The Web Portal and App include multiple features that will also help you save on your electricity bill.


Product description

There are two main elements that make the Energy Sensor Kit

     1.   XL Sensor (Version 130A): This is what you will clip around the cable to monitor the current that runs through it.

  1. RF Wireless Transmitter : The transmitter will send the data measured by the CT every 10, 15 or 20 seconds (manually programmable)

To access to the information you will need an Engage Hub and an account in the Engage Web Portal. Add your Energy Sensor into your account and enjoy the rich information:

It gives you access to instant and historical data in a way you can easily understand and engage with.

It will take you 2 minutes to install and register your account in the portal.

It is completely free to use. THERE ARE NO SERVICE FEES.



Add More Energy Sensor Kits

The Engage system is scalable to up to 5 Submetering Kits, so for evergy Engage Hub you can connect up to 5 Energy Sensor Kits. 


Is it compatible with Wireless Electricity Monitors?

The Energy Sensor Kit is compatible with our range of Wireless Electricity Monitors, but these can only be connected one to one. Each Wireless Electricity Monitor can only receive data from a single Energy Sensor Kit.  


Functional Features

  • Easy and quick to install
  • For single phase supply, the XL sensors can monitor energy consumption of up to 21,500 Watts. (Can be upgraded to be used for a three-phased power supply by adding one more XL sensor)
  • Accuracy of 95-98%
  • Real time monitoring
  • Transmitter programmable to send data in intervals of 10s, 15s or 20s.
  • Range of transmission of 50m in closed room
  • 12-month warranty included

Transmition Frequency433MHz
Transmission Time10 - 15 - 20 s
Voltage Range110 - 600 V
Individual circuit monitoringYes - One per circuit
Transmitter Dimensions (W x H x D)64 x 95 x 28 mm
Transmitter power3 x AA alkaline batteries
Sensor dimensions (W x H x D)38 x 51 x 38 mm
Measuring Current50mA - 130 A
AccuracyMore than 90%


What's in the box - Submetering Kit STXtra

  • 1 x Transmitter Unit
  • 2 x XL Sensor

* Batteries are not included


What's in the box - Submetering Kit STXtra

  • 1 x Transmitter Unit
  • 2 x XL Sensor

* Batteries are not included


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