KA2-2222 is a green LED bulb designed for use in pilot devices and indicator lights. It operates at a rated voltage of 230 V AC with a rated current of 4 mA and provides a luminance of 500 mcd at a wavelength of 525 nm. The LED bulb offers a service life of 25,000 hours, ensuring long-term reliability in industrial applications. It is part of ABB's modular range of 22mm pilot device components and should be used with a matching green lamp cap for optimal color indication.