4-2381880-0 is an illuminated PBES16 emergency stop switch featuring LED illumination rated at 12V DC with 19mA current consumption. This switch meets IEC 60947-5-1 and IEC 60947-5-5 standards and is designed for ruggedized industrial applications requiring high actuation force to prevent accidental activation. The device offers IP65 protection against harsh environments, mechanical life exceeding 100,000 operations, and electrical life exceeding 50,000 operations with a contact resistance of =50 mO. It features a 16mm mounting hole with 1.1 N-m mounting torque, operates across -25°C to +55°C temperature range, and provides rated insulation voltage of 300V with conventional enclosed thermal current of 5A. The switch is ideal for emergency stop applications in industrial control panels, machinery safety systems, and hazardous environment installations where reliable illuminated feedback and fail-safe operation are essential.