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Wiring and technical diagrams

Connecting a Shelly Plus 1 to a 12 V DC supply

May 31, 20221 min read

Wiring diagram

Wiring diagram of a Shelly Plus 1 relay on a 12 V DC power supply, with a dry contact connection to the switch

Legend

  • Setup:
  • Dry contact control settings: in the app, tap the device you want to configure > Settings > Settings:
  • All done 🙂

Settings in the app

1

Power On Default Mode: choose Restore Last Mode, On or Off.

2

Device Type: choose Light, or the matching load type.

3

Button Type:

  • With a standard toggle switch: choose Edge Switch.
  • With a push button (spring-return switch): choose Momentary.

How to choose "Edge" in the new app, with screenshots: The full guide →

Need help with installation or setup?
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