The Hager P40LN-221 is a high-quality LED pilot light designed for clear and reliable visual signaling in electrical installations. As part of Hager’s gallery series, this amber indicator lamp operates on a 230V AC supply and is easily mounted on a standard DIN rail, occupying a single module space. Its energy-efficient LED technology ensures a long operational lifespan and very low power consumption, making it an ideal choice for monitoring the status of circuits in residential, commercial, and industrial control panels. The P40LN-221 provides a distinct amber signal to indicate specific operational states, enhancing safety and system diagnostics.