Arrow(Schneider Electric) XVM Series Φ45 Stackable LED Indicator Light (Direct Mount Circular Mounting Base/Circular Base with Pole), 24V, 3-Level, Red, Yellow, Green

Φ45 Harmony Brand Stackable LED Indicator Light XVM Series, single unit (single unit purchase, freely combinable). In addition to pre-assembled units with customizable colors, we also offer modular construction, allowing you to freely combine display unit tiers and colors from 1 to 5 tiers. (The buzzer-equipped model supports up to 4 tiers of display units.) Direct voltage application to the lead wires allows for smooth replacement of bulb-type indicators without wiring changes. (Please note that lead wire colors vary by product series.) Choose from four mounting options to suit your application. Easy assembly—just align the globe, insert, and twist—no tools required. The buzzer-equipped model has a maximum volume of 80 dB. (Volume adjustment screw adjusts from 0 dB minimum to 80 dB maximum.) NPN/PNP open collector connection is standard. Protection ratings range from IP42 to IP65 (when mounted facing upright), depending on the mounting method. See the specifications for details.