IDEC APQW1B Marking Plate for Panel Indicators. This unit is designed to clearly identify panel functions within industrial control systems and automation equipment. Manufactured by IDEC, this marking plate, identified by part number APQW1B, offers durable and precise labeling for square pilot light installations. It is commonly utilized in manufacturing, building automation, and control panel assembly where clear, standardized identification is critical for operational efficiency and safety. The APQW1B is supplied in bulk packaging.