031-3101-01-102 is a large panel indicator designed for visual signaling applications in control panels and instrumentation. It features an incandescent candelabra screw lamp with a convex polycarbonate cap and white nickel metal finish, providing clear visibility and durability. The indicator uses a screw terminal connection type with a 1-inch mounting hole size, and is constructed with steel hardware for robust mechanical support. This configuration is ideal for industrial control systems, alarm displays, and status indication applications where reliable, bright illumination is required.