This base module is part of the Harmony XVB7 range, featuring Ø 70mm modular tower lights designed for easy customer assembly. It connects to beacons lenses, to a sound module and various light modules to form a complete tower light (up to 5 units). The XVB7C21B base module is powered by 24V ACDC. It features push-in terminals for electrical connection. Featuring a simple and modular design, this base allows for easy installation with a sound module and light modules to create a complete tower light. It is impact, dust, water, and vibration resistant thanks to its IP66 or IP65 ratings (tube or direct fixing), making it ideal for operation in harsh environments. Made from dark grey polycarbonate, the base is fitted with an adapter and a cover. It measures 77mm high (without the cover), has a diameter of 70mm, and weighs 164g. The Harmony XVB7 modular tower lights are visual or audible signaling units used for indicating, throughout 360°, the various states of a machine or installation. This product complies with UL 60947-5-1, IEC 60947-5-1, and CSA C22.2 No 60947-5-1 standards. It features CE marking and holds cULus, CCC, RCM, and UKCA certifications. Light modules and a sound module can be assembled to make a complete tower light. To simplify mounting, fixing plates, tubes, and brackets are available for separate purchase. Harmony XVB7 offers a wide range of voltage selection and flexible mounting options with visual and audible functions. The Harmony XVB7 range features a sleek design incorporating energy-efficient LEDs to maximize brightness while minimizing energy consumption.