The HW1B-M1F01-B is a 22mm momentary pushbutton switch with a black round button designed for industrial control applications. It features 1 normally closed contact rated for 600V/10A with a wide operating range from 5mA at 3V AC/DC to 10A at 120V AC, and includes finger-safe IP20 screw terminals as standard. The device meets EN418 (IEC compliant) positive action requirements and carries multiple certifications including UL listing, CSA certification, TUV approval, and CE marking. It is rated for UL Type 4X and IP65 protection, with options for super bright incandescent or LED illumination. This pushbutton is ideal for emergency stop circuits, machine control panels, and industrial automation systems requiring reliable momentary switching with high safety standards.