Enhance your control and signaling systems with this reliable LED block. Designed for durability and clear indication, it features a metal body and a transparent appearance for a flush mount installation. This illuminated component provides a steady white light, ensuring visibility in your applications.This is a Lovato LED block for control and signaling applications. It features a steady white illumination and a metal body with a flush appearance. The component requires a 22mm hole diameter for installation and is illuminated. The raw ERP description indicates it operates on 18-30VAC.