The HW4B-V4F02-R is a 22mm IEC-style emergency stop pushbutton designed for industrial control applications requiring safety-critical switching. It features a 40mm mushroom head with pushlock turn reset operation, metal bezel construction, and 2NC (two normally closed) contact configuration with finger-safe spring-up contacts. The unit is available in red color only and complies with EN60947-5-5 and SEMI S2 standards, incorporating tamper-proof construction to prevent unintended contact state changes. This emergency stop switch is suitable for machinery control panels, process automation systems, and safety-critical applications where reliable emergency shutdown capability is essential.