====== High Voltage Disconnect ======

[[https://amzn.to/3LaoTqD|{{ https://m.media-amazon.com/images/I/81s4vPmgUKL._AC_UL400_.jpg}}]]

A high voltage disconnect (HVD) is the opposite of a [[electrical:12v:lvd|low voltage disconnect]]. 

When the voltage reaches a given setpoint (Vhvd) the circuit is opened and any related loads are disconnected.

Such HVDs can be complicated, or cheap and simple like [[https://amzn.to/3LaoTqD|the one pictured]].