Is the following sign a switch and if so, what kind if switch is it exactly?
It is used in the schematic of the ABB Eden (Adam & Eva) Module.
Electronic – Identifying a switch symbol
identificationschematicssymbol [~]
Related Solutions
I would use an ordinary SPST NO pushbutton symbol:
simulate this circuit – Schematic created using CircuitLab
No a switch doesn't normally have polarity, but when you implement a switch with semiconductors you have to worry whether they are one-quadrant, two-quadrant or four-quadrant, depending on what the rest of your circuit requires/imposes in terms of current and voltage. For example a BJT is good a 1st quadrant (or 3rd quadrant) switch and a diode as a 2nd quadrant (or 4th quadrant) switch. A MOSFET is good as two-quadrant switch if well chosen (body diode considerations). A good presentation of that topic is in Erickson's course.
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Best Answer
It looks like non-latching normally open push button / switch
And you can see this table in datasheet:
So you have exact part number of that switch.