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Wiring and technical diagrams

Connecting a Shelly Plus 1 to a "dry contact"

May 31, 20221 min read

Previous model. This guide was written for the Shelly Plus 1, which has been replaced by the Shelly 1 Gen4. The wiring is the same, and the settings are in the same places in the Shelly Smart Control app. The diagram below is already drawn for the new model. Go to the Shelly 1 Gen4 →

Wiring diagram

שרטוט חיבור Shelly 1 Gen4 כמגע יבש לבקר שער: O ו-I לכניסת הלחצן של הבקר, הזנה 230V ל-L ו-N

Open the diagram full size

The previous diagram from the original guideWiring diagram of a Shelly Plus 1 relay as a dry contact, with wiring to the switch and the load

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 →

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