3EM smart flow meter – more than just monitoring energy consumption

Why choose a smart flow meter?

The 3EM smart electricity meter brings much more subtle savings and even earning opportunities to your home or business.
In addition to monitoring your consumption, you can also participate in the flexibility market through the Qilowatt system, earning passive income without having to manually control your appliances on a daily basis.

While the 3EM traditionally allows you to monitor and optimise your energy consumption in a similar way to smart relays, the Qilowatt + flexibility market partnership provides an additional benefit – compensation for participating in grid balancing.

Main features

  • Three-phase metering – displays cumulative consumption for all three phases and also separately
  • Built-in 10A relay – allows you to automatically cut off or start electrical equipment
  • Three clamp-type current meters (up to 120A per phase) – easy installation without power interruption
  • WiFi connection – no need for a separate centre or gateway

Why choose 3EM?

  • Smart control booster – interrupt heat pump operation during peak hours or start during low electricity times
  • The perfect complement to Qilowatt automation – accurate measurement data + control capability = even better Optimizer performance.
  • Easy to integrate into an existing system – works with both new and previously installed equipment
  • Flexible use – suitable for optimising energy consumption in home, business and industry

How does income come about?

Qilowatt also enables the 3EM device to participate in the flexibility market.
Elering pays compensation to consumers who are willing to temporarily switch off their devices or change their operating mode at certain moments.
This means you get paid:

  • if you reduce consumption during a grid deficit
  • if you shift consumption to more favourable price periods

Installation advice

  1. Install current clamps securely around each phase (up to 120A).
  2. Connect the relay control to the Qilowatt controller or to a separate control point.

Example use case

Imagine that the stock market price rises at the peak – 3EM automatically shuts down the heat pump, saving costs. When the price falls, operation resumes.
The result: potential savings of hundreds of euros every year without having to manually adjust anything on a daily basis.

A smart 3EM flow meter is not just a consumption indicator, it is your gateway to energy efficiency and passive income. Qilowatt takes care of the technical side, you enjoy the savings and the added value.

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