IDEC HW4P Series 22mm Pilot Light, blue, part number HW4P-2FQ0-S. This operator accessory is designed for use with IDEC pilot light systems. Packaged in bulk, this component offers a reliable illumination solution for control panels and industrial automation equipment. Its 22mm mounting size ensures compatibility with standard enclosures. The HW4P series is recognized for its durability and performance in demanding environments, commonly found in manufacturing, building automation, and machinery control applications.