The main "bridge" terminal for your external load.
Below is a comprehensive guide on how to wire, program, and utilize the DVB01 effectively. 1. Technical Specifications dvb01 user manual
If the relay clicks rapidly on and off, your V1 and V2 values are likely too close together. Increase the "hysteresis" (the gap between the two numbers) to stabilize the switching. The main "bridge" terminal for your external load
Connects to the load when the relay is triggered. dvb01 user manual