The HW4B-V4R-EMO-2 is a non-illuminated emergency stop (EMO) pushbutton operator from the HW series, featuring a ø40mm red mushroom head and a durable metal bezel. This operator provides a pushlock turn-reset action, requiring a minimum force of 45N to latch, and is designed for a standard ø22.3mm panel cutout. It features tamperproof construction compliant with EN60947-5-5 and SEMI S2 standards, ensuring high safety and reliability. Built for industrial environments, it offers an IP65 degree of protection from the front of the panel and operates in temperatures from -25°C to +60°C. As an operator-only unit, it allows for flexible configuration with various HW series contact blocks, making it suitable for a wide range of safety-critical applications in industrial machinery and control systems.