Answer
Apr 27, 2025 - 06:36 AM
The Shelly Plus 1PM and Shelly Plus 2PM are both smart relay switches designed for home automation, but they differ primarily in their channel capacity. The Shelly Plus 1PM is a single-channel device, allowing control and power monitoring of one electrical circuit, while the Shelly Plus 2PM is a dual-channel device, enabling independent control and power monitoring of two separate circuits. This makes the 2PM version more versatile for applications where multiple circuits need to be managed simultaneously.
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