IDEC AP1M155-Y is a panel indicator, specifically a 10mm pilot light. This component is designed for reliable visual signaling in industrial control panels and automation systems. Its robust construction ensures longevity in demanding environments. The AP1 series pilot light from IDEC offers a clear and distinct visual cue for operational status in applications such as manufacturing equipment, building automation, and process control. This component is suitable for integration into panel designs requiring straightforward, yet effective, status indication.