For over 60 years Pfannenberg has been recognized as an industry leader within the Electrotechnology Industry. In 1958 they invented the Filterfan®, which is recognized worldwide as a leading product to help manage the temperature in electrical enclosures. In 1962 we invented the first industrial flashing light that didn’t require a bulb change once activated. You can trust Pfannenberg to ensure the protection of man, machine and the environment. Their greatest strength comes from reliable industry-leading solutions for technologically demanding applications.