Schneider Electric XB5KSM Complete buzzer, plastic, black, Ø22, continuous or intermittent tone, 230…240 V AC. This Harmony XB5, annunciator siren is supplied with 230V to 240V AC with noise level 85dB. This annuciator siren provides a signaletic sound alarm for your installation. It is easily installed into standard 22mm diameter cut-outs. It has an IP40 protection. Its plastic bezel makes it ideal for applications requiring good resistance to chemical agents and/or double electrical insulation. This annunciator is intended for industrial control panels, machine interfaces, process equipment and maintenance replacement requirements. Official Schneider characteristics include Range of product: Harmony XB5; Product or component type: Annunciator; Bezel material: Dark grey plastic; Mounting diameter: 22 mm; Head type: Standard; Cap/operator or lens colour: Black; Supply circuit type: AC; Supply frequency: 50 Hz.