The A22EM11B is an A22E series emergency stop switch designed for safety-critical applications. This model features a 40 mm red mushroom head with a turn-reset mechanism and comes pre-installed in an A22Z-B101Y control box. It provides a 1NC, 1NO contact configuration with screw terminals for reliable wiring. The switch is rated for IP65 oil-resistant protection, ensuring durability in industrial environments. Its primary function is to stop machinery in an emergency to protect personnel and equipment.