The IDEC HW1B-A4F10-W is a robust 40mm non-illuminated pushbutton featuring a maintained operation with one Normally Open (N/O) contact. Designed for safety and reliability, it includes finger-safe IP20 contacts and tamperproof construction. This pushbutton from the HW series meets stringent EN60947-5-5 standards and adheres to SEMI S2 compliance, ensuring top-tier emergency stop functionalities for industrial applications.