Mono 72 The Mono 72 is a powerful motor driven siren which produces a clear, high output siren sound. With its weatherproof design, the Mono 72 can be used both indoors and outdoors for general safety warning. Due to its rugged construction, the Mono 72 can be used in arduous conditions including mining and quarrying applications. Applications - General safety warning; conveyors; process control alarm; vehicle alarm High output siren sound (120dB) Rugged construction for use in all environments Weatherproof to IP65 Mounting bracket for ease of installation Audibility (tone) at 1m (typical) IP Rating: IP65 Rating: Continuous Frequency: 1800Hz Operating Temp: -30ºC to +45ºC Construction: Cast Aluminium Body, ABS Rotor, Stator and Cover Cable Entries: 1 Weight: 1.7kg Signalling Solutions