IDEC APQW1B99D-Y-120V is a 22mm panel indicator designed for clear visual signaling in industrial control and automation applications. This pilot light features a vibrant yellow lens for high visibility, ensuring immediate recognition of operational status. Engineered for reliable performance, it operates at 120VAC, making it suitable for a wide range of electrical systems. The durable construction and bulk packaging cater to high-volume integration in control panels, machinery, and electrical enclosures across various industries including manufacturing, building automation, and process control. Its standard 22mm mounting diameter ensures compatibility with common panel cutouts.