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Shelly Plus 1 Light Switch.jpg

Important Product Specifications

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Shelly Plus 1 can be powered by:

  • 12vdc

  • 24-60vdc*

  • 110-240vac *

*UL version supports 12-48vdc
*Single wire circuits - for North America, note that Shelly Plus 1 does not support 240v circuits (two wire). Use only with 120vac circuits.

Info

Shelly Plus 1 can switch:

  • 12-30vdc up to 10 amps

  • 110-240vac (single wire)*

*UL version supports 15 amps, standard supports 16 amps.

For North America, note that Shelly Plus 1 does not support 240v circuits (two wire). Use only with 120vac circuits.

Full Product Specifications - Shelly Knowledgebase

https://kb.shelly.cloud/knowledge-base/shelly-plus-1-ul

Top Use Cases for Shelly Plus 1

Shelly Plus 1 supports 12vdc, has dry contacts, and SELV isolation. This makes the product ideal for:

  • Garage door control

  • Low voltage dry contact sensors

  • Control of contactors

  • Switching voltages different from the device’s power supply (example, switching 120vac while powered by 24vdc).

Note: Shelly Plus 1 requires separate power supply for the dry contact relay, meaning both the L and I terminals must be populated for the device to work. If powering Shelly Plus 1 via 12vdc, the 12v (rather than L) and I terminals must be powered.

Best product for light switches

Shelly Plus 1PM is the best choice for use with on/off control of lighting circuits:

  • Power measurement

  • Simplified wiring (no wire nuts or Wago connectors required)

  • Over wattage protection

  • Over current protection

  • Over voltage protection

  • Under voltage protection

    Note: All Shelly Plus and Pro relays offer over temperature protection.