MAIN CHARACTERISTICS range of product HARMONY XVU product or component type MODULAR TOWER LIGHT beacon or indicator bank unit type BUZZER UNIT mounting diameter 60 MM component name XVU housing colour BLACK COMPLEMETARY CHARACTERISTICS signalling type CONTINUOUS INTERMITTENT BUZZER material PBT (polybutylene terephthalate) V-0 flame retardant conforming to UL 94 localisation on device TOP assembly style CUSTOMER ASSEMBLY [Us] rated supply voltage 24 V AC/DC power dissipation in W