Shelly Plus 2PM - no 24VDC?

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    • Autor

    Just received 3 Shelly Plus 2PMs - model# SNSW-002P16UL. (Bought thru Amazon) Was expecting units to have both 24VDC power or 120VAC power. What I received has no 24VDC markings (all pics I've seen of the 'top' of the unit show AC 110-240V with DC 24V right under it - including the pics on Amazon and Shelly web site) and no mention of being able to operate on 24VDC. Why is there no 24VDC markings on my units and no mention of 24VDC operation in documentation I got with the units. Everything I've seen/found on web and on Shelly web site shows the 24VDC. I was planning on running some high power relays off of the 2PMs that use 24VDC trigger voltage. What is the deal? Where did these apparently non 24VDC units come from?? Can I run them on 24VDC even though it doesn't mention it in documentation or have any 24VDC markings?

    Model code is different from those for EU:

    SNSW-002P16UL vs. SNSW-002P1EU

    The latter is referred in the knowledge base:

    https://kb.shelly.cloud/knowledge-base/shelly-plus-2pm

    But not the “UL-code” (underwriter’s laboratories ?)

    Nevertheless, I assume the innards of both devices are the same. Thus, 24V DC supply must be feasible! Plus 24V at pin N, GND at pin L…

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    • Autor

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    Here's a couple pics. THX for the quick responses - great forum! I'm thinking of trying to apply 24VDC and see what happens. Glad to hear any reason why I shouldn't from you more experienced users. I'm building a spa controller to replace my now defunct 30 year old controller. Not real complicated as it is primarily just switching on/off a couple 1.5HP motors and regulating temperature. Planning to use the ADDON for temp sensing. I just need the 24VDC to trigger the high power relays and would rather not have to put another layer of relays/transformers because I can't run 24VDC through the Shelly Plus 2PM
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