Electronics > Mechanical & Automation Engineering

Shelly Products

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PixieDust:
I was interested in purchasing a Shelly Power Meter:

https://www.shelly.com/en/products/shop/shelly-plus-2-pm

But when I went to specifications, I noticed that its operating temperature range is -20 to 40C. This immediately set off alarm bells so I started doing some light digging. Turns out the things run really hot and aren't even certified for Australia:

https://community.home-assistant.io/t/shelly-2-5-getting-hot-to-touch-63-c-external-case-should-i-be-worried/175376/9

There's no way I'm putting something into my wall that runs up to 90C before shutting off. I also learned that Australian power cables are rated up to 70C, so I don't know, these things sound really dangerous. How have they been certified anywhere other than Iceland? These are borderline dodgy technology.

Am I overlooking something?

Does anyone have any alternatives that will work in Australia?

thm_w:
It looks like all of their stuff is rated 0 or -20 to 40C. They say there is an automatic temperature shutdown of 95C, but yeah, I wouldn't buy it for anything other than maybe LEDs.
This is an incredibly common device no? Should be able to find other vendors, eg sonoff, etc.

PixieDust:
People are seeing them run to over 70C even running a few low power LEDs! I'll habe a look at Sonoff.

liaifat85:
Looks like shelly 3M is licensed in Australia. https://www.facebook.com/groups/ShellyIoTCommunitySupport/posts/5570797243019594/

onsokumaru:
I have some shelly devices in use and had no issues so far. A Shelly EM, two led strip controllers, a dimmer and some shelly plugs. Not heavy loads in any of them, I use them way below their max load specs.
I think it depends on your particular use case, if it's just the power monitor I don't think it's going to overheat, problems probably come when the relay they include is handling a heavy load for a long time. I think their rate for max relay load is too optimistic, but apart from that I'll say their producs work nice and are easy to set up.

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