The XB4BA42 is a single-pole, single-throw (SPST) normally closed (NC) pushbutton operator featuring a chrome-plated metal bezel and a spring-loaded red flush unmarked actuator. It includes a Zamak fixing collar and screw clamp connection terminals. Designed for reliable operation, it offers a mechanical lifespan of 5,000,000 cycles and complies with industry standards, including IEC 60536 for electrical shock protection, IEC 60529 IP66 rating for water and dust resistance, IEC 50102 IK for impact resistance, and TH protective treatment. Suitable for commercial applications.