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• 5

  1 out of 1 members found this review helpful

  Nick_Papadopoulos6025

  2024-09-10

  Verified purchase

  I removed 2 fuses of 16A and connected them directly; for the water heater, a power relay of 25A is needed.

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• 5

  16 out of 16 members found this review helpful

  Anonymous 90

  2023-04-01

  Excellent product.
  - 4 on-off outputs.
  - Consumption measurement on the 4 outputs separately.
  - Stable connection with Ethernet cable, while it also supports Wifi.
  - Bluetooth support for the initial connection with the app.
  - Silent.
  - Display screen for showing measurements and controlling the device.
  - Local control either from a button or from a switch for each channel separately.

  I will not use wired control from a button but will combine it with a Shelly plus I4 which will control each channel separately from the Shelly SW4 4-way switch via the network.

  Many options in the app. More than perhaps it should have.

  Its price is very good, considering that 4 silent relay switches (simple) cost about the same.
  Here you get smart control, full connectivity with home assistant, Rest API, HTTPs, and many many more.

  Update: 10/24/2024.

  A new version of the relay with different input terminals has been released.

  In a second home installation, I now have 4 such units.
  Their performance is impeccable here as well.
  The good thing is that Shelly, with multiple firmware updates, has added many new features.

  A) You can pair the relays with Bluetooth sensors (motion, brightness, temperature, humidity, local battery Bluetooth buttons), directly on the relay without requiring internet or cloud, for simple automations!!!
  For example, suppose you don't have wiring for a switch at a certain point. You place the Shelly BLU Wall Switch with a frame identical to the switches you have, pair it with the relay you want to control, and it's ready even if the internet is lost!
  Or suppose you want to control the relay output if there is motion in the area. You combine the relay with a Shelly BLU Motion Sensor Bluetooth sensor.

  B) It now supports KNX NET IP which, in my case where I will install KNX Fan Coil relays, will pair together on a common network.

  C) Shelly, with the introduction of multiple new devices like Dimmer phase-cut rail, dimmers 0/1-10v rail and box, DALI dimmer box, gives you a complete proposal for home automation and not only!

  New photos are also attached.

  10/20 for the relay for what it offers. I haven't found anything better on the market and believe me, I have tried many...

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