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Bosch Automotive Tradition Manufactures Historic DC Controller with State-of-the-Art Technology

Generator Controller Now Commercially Available


* Historic Bosch controller widely used in tractors and classic cars
* Reproduction in historic design with state-of-the-art electronic control system
* Replaces 60 mechanical controllers in vehicles with DC generators

From the mid-1950s, mechanical DC generator controllers from Bosch were used in order to maintain the voltage in vehicle electrical systems at widely fluctuating speeds and changing generator loads. The controllers, which were manufactured until the end of the 1990s, were installed in vehicles with a particularly long service life, such as agricultural tractors, but also mass-produced vehicles such as the Volkswagen Beetle or Volvo Amazon. The demand for generator controllers among classic car enthusiasts today has remained just as high.

That’s why Bosch Automotive Tradition has redeveloped the classic 12-volt controller – with a historic look on the outside and state-of-the-art technology on the inside. Bosch already showcased a prototype of the reproduction last year at the Techno Classica classic car show in Essen, Germany. And the controller has now been made available commercially with some further enhancements, including thermal optimization, which ensures lower heat development during operation, increasing the resistance of the controller. As the controller is now also a series component, a high level of availability is guaranteed. The new controller is also versatile: Just five order numbers will replace some 60 different historic controllers in virtually all classic cars and tractors with DC generators.

The housing of the redesigned DC controller matches that of its historic counterpart and fulfils the aesthetic demands of classic car enthusiasts. The wear-resistant internal electronics ensure precise voltage regulation and reliable current limitation in the vehicle electrical system. The controller protects the generator, vehicle electrical system and battery against overload damage, providing a high level of start reliability even during short trips. The controller is dust-proof, water pressure-tight and protected against electromagnetic interference.

Competence in Reproductions and Modern Bosch Expertise
Automotive Tradition, the Bosch Classic Division, organizes the supply of spare parts for classic vehicles. The service includes the reproduction of particularly sought-after parts for new and classic vehicles in accordance with the original manufacturing documents. Furthermore, appropriate long-term storage guarantees the availability of older spare parts. The high level of competence in manufacturing reproductions at Bosch Automotive Tradition, combined with the latest Bosch electronics expertise, ensure that the redesigned controllers for DC generators offer functional reliability and long-term quality. Fans of both new and classic cars will find more products from the Bosch Classic Division reproduction range at

The Automotive Aftermarket division (AA) provides the aftermarket and repair shops worldwide with a complete range of diagnostic and repair shop equipment and a wide range of spare parts – from new and exchange parts to repair solutions – for passenger cars and commercial vehicles. Its product portfolio includes products made as Bosch original equipment, as well as aftermarket products and services developed and manufactured in-house. More than 10,000 associates in 140 countries, as well as a global logistics network, ensure that some 450,000 different spare parts reach customers quickly and on time. In its “Diagnostics” operations, AA supplies testing and repair-shop technology, diagnostic software, service training, and information services. In addition, the division is responsible for the “Bosch Car Service” repair-shop franchise, the world’s largest independent chain of repair-shops, with some 15,000 franchises. In addition, AA is responsible for more than 500 “AutoCrew” partners.

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The Bosch Group is a leading global supplier of technology and services. In the areas of automotive and industrial technology, consumer goods, and building technology, some 285,000 associates generated sales of 47.3 billion euros in fiscal 2010. For 2011, the company forecasts sales of more than 50 billion euros and a headcount of a good 300,000 by the end of the year. The Bosch Group comprises Robert Bosch GmbH and its more than 350 subsidiaries and regional companies in over 60 countries. If its sales and service partners are included, then Bosch is represented in roughly 150 countries. This worldwide development, manufacturing, and sales network is the foundation for further growth. Bosch spent 3.8 billion euros for research and development in 2010, and applied for over 3,800 patents worldwide. With all its products and services, Bosch enhances the quality of life by providing solutions which are both innovative and beneficial.

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