untoggler
/ˈʌntəɡələr/Definitions
1. noun
A device or control used to toggle something on or off, but allowing it to be turned off completely.
“The untoggler for the air conditioning unit was located behind the main panel.”
2. verb
To remove or disable the toggle function of something, often to prevent accidental activation.
“To ensure the safety of the experiment, the engineer untoggled the emergency shutdown switch.”