Pfannenberg is a Global Manufacturer of visual and acoustic signaling devices used to protect personnel and equipment. Unheard, unseen or confusing alarms can have serious consequences. Specifications on paper do not always reflect how a signal will perform in the actual location. Pfannenberg Signaling experts will help you find the best solution to satisfy your alarm, warning and indication requirements. Pfannenberg also manufactures Thermal Management products to keep your electronics cool and safe, protecting critical manufacturing processes and Liquid Cooling solutions to provide the critical cooling required for manufacturing processes. Our business philosophy – Protecting Man, Machine and the Environment.