https://nl.rs-online.com/web/c/switches/safety-interlock-switches-components/hinge-switches/
Hinge Switches, Safety Switches, Guardmaster & Sensors | RS
Hinge switches are a type of safety interlock switch, fitted at the hinge point of a piece of equipment, that cut the power supply when the hinge is opened.
hinge switchessafetyguardmastersensors