https://www.sensorwell.at/en/products/switches-2/pushbutton-switches/aml-series/aml21hba2ab/
AML21HBA2AB - Sensorwell
May 15, 2020 - AML21 Series, Electronic Control Pushbutton, Square, Full Guard Bezel, Unlighted, SPDT, Alternate Action, Snap in panel mount Notice Button caps for MICRO...