2381880-9 is an illuminated pushbutton emergency stop switch from the PBES16 series designed for emergency stop applications in industrial environments. This switch features LED illumination rated at 28V AC/DC with 20mA current consumption, providing reliable visual indication in harsh conditions. The switch meets IEC 60947-5-1 and IEC 60947-5-5 standards, offers IP65 protection rating, and is equipped with a 16mm mounting hole for simple installation. It delivers a high actuation force of 20N (push-lock) to prevent accidental activation, with mechanical life exceeding 100,000 operations and electrical life exceeding 50,000 operations. The operating temperature range is -25°C to +55°C (without lamp), and it supports panel thicknesses from 0.5mm to 5mm with a mounting torque of 1.1 N-m. This switch is ideal for emergency stop applications requiring illuminated feedback in industrial control systems, machinery safety circuits, and hazardous environment installations.