Schneider Electric XB5KS2B8 Annunciator, Harmony XB5, Illuminated buzzer, plastic, yellow, 22mm, continuous or intermittent tone, 24V AC DC. This indicating bank buzzer is an accessory designed as an audible and signaling unit for custom assembly. It has a continuous or intermittent signal and its sound acoustic level is adjustable. It complies with EN/IEC60947-1, EN/IEC60947-4-1, EN/IEC60947-5-1, JIS C 4520, UL 508, CSA C22.2 No 14 standards. It is also dust, impact, high pressure washer, vibration and corrosion resistant thanks to its IP69, IP67, IP66 protection, making it ideal for operation in harsh environments. 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: Plastic; Mounting diameter: 22 mm; Cap/operator or lens colour: Yellow; Supply circuit type: AC/DC; Supply frequency: 50/60 Hz; Signalling type: Continuous or intermittent tone.