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Forums › Gadgets, robotics, home automation, electronics (including wearables) › Shelly 2.5 internal Temperature high?
fearandloathing

504 posts

Ultimate Geek

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#289939 10-Oct-2021 21:49
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I have had a Shelly 2.5 installed, Home Assistant shows its internal temperature as 55 to 60 degrees with no load. With a temperature of around 70 degrees with a load on both relays.

 

Compared to Shelly 1pm which run at 1/2 the temperature.

 

What internal temperatures do your Shelly 2.5 show?

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cychronz
66 posts

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  #2793267 11-Oct-2021 14:31
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Mine isn't installed yet, but show internal temperature of 36 degrees C with no load. I use ESP home on it, and had to toggle GPIO16 otherwise temperatures would be WAY higher:

 

binary_sensor:
  - platform: gpio
    pin: GPIO16
    name: "ade7953 IRQ pin"
    internal: true

 

This article details the fix: https://savjee.be/2020/11/shelly25-esphome-potential-fire-hazard-fix/

 

Fix might be needed for other platforms, but shouldn't be needed for standard Shelly firmware.

 

 



catdog
107 posts

Master Geek


  #2793488 11-Oct-2021 21:36
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I'm seeing it slowly dropping down to 55C overnight, and up to 75C with both outputs on. Interestingly, I can clearly see when each output is turned on/off (it changes temperature by ~10C)

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