AV1921E312Q04 is a 19 mm anti-vandal illuminated pushbutton switch designed for security and reliability in industrial and building panel mount applications. The switch features a single-pole momentary configuration with a red LED indicator operating at 12 volts and silver-plated terminals for enhanced corrosion resistance. It delivers a contact rating of 3A at 250 VAC/28 VDC with an actuator force of 2.5 ±1.0 N and an actuator travel of 3.2 mm, supporting 1,000,000 actuations for momentary operation. The switch is sealed to IP67 for vandal resistance with a stainless steel actuator and PBT case, operating reliably across -20°C to +55°C. This switch is ideal for elevators, escalators, instrumentation, communication equipment, and emergency systems where durability and user-friendly illuminated feedback are essential.