E***a

Rated 5 out of 5

6 months ago

This “switch” configuration really is a programmable safety differential, it also adds protection for over and under network voltages, and the best thing when it detects a problem in the electrical network as a leakage current, Or over or under voltage is disconnected to secure the circuit and rearms automatically in the time you program it. All this and you can also manage it through the app yours (via wifi). And to finish it gives you data from your network such as the voltage, current, leakage current and the kWh that you are consuming. I have replaced the differential with this device to make sure that in case it goes out of the parameters that I have programmed it interrupts the circuit and rearmament when these problems cease.

J***s

Rated 5 out of 5

6 months ago

Fast delivery, but have not checked yet.

B***r

Rated 5 out of 5

6 months ago

The Kerui sensors are very good, have good construction, are easy to install. As for the delivery, the seller was very fast delivering the goods before the deadline

S***I

Rated 5 out of 5

6 months ago

Excellent working well

P***y

Rated 5 out of 5

6 months ago

It’s easy to install, but the app doesn’t make it \ n,,,,,,,,,,,,,,,,,,,,, the quality is weak but can be taken, the battery lasts 2 weeks

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