Do I need one or two Shelly 3M if I want to measure two separate outlets (pool filter system, pool heat pump) separately in Solar Manager or display the measured values? Is there a reason to use the Pro version instead of the 3M if I only want to use WLAN?

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Accepted Answer

if the devices are connected 1-phase, 1 device should be sufficient (see the instructions).
the pro variant has a different design and therefore fits better on a standard tableau.
the pro version is not fully compatible with the protocol and offers less possibilities to read out the values. so check what is supported by your software.

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Question about Shelly 3EM

Do I need one or two Shelly 3M if I want to measure two separate outlets (pool filter system, pool heat pump) separately in Solar Manager or display the measured values? Is there a reason to use the Pro version instead of the 3M if I only want to use WLAN?