The IDEC HW1B-A1F10B-K is a robust 22mm pushbutton featuring a black, round, flush-maintained design with a durable plastic bezel. It is part of the HW series and ensures operator safety with finger-safe IP20 contacts. The tamperproof construction of this pushbutton adheres to EN60947-5-5 standards and complies with SEMI S2 standards, making it suitable for critical emergency-stop applications.