Temperature limits
The temperature limits of our devices are determined by the materials used in their construction, including plastics, Bakelite paper, and seals. Based on the manufacturer’s… Read More »Temperature limits
Drying Process
Drying Process & Tightening Recommendations Proper drying of our devices is a crucial step to ensure their optimal performance. We recommend the following drying conditions… Read More »Drying Process
Padlock size
All our devices are compatible with the use of a padlock (not provided). The allowable size varies depending on the device family and the type… Read More »Padlock size
Maintenance on our Off-Load Tap Changers
We recommend that the tap changer be operated several times on a full range of taps once a year to ensure that any deposits are… Read More »Maintenance on our Off-Load Tap Changers
Remote control box
In response to our customers’ technical requirements, we have developed our first remote cable control for FII tap changer, providing a lockable, remote control system… Read More »Remote control box
HZ family type
In the year 1956, we designed our first types of HZ tap changer for our local customer Savoisienne.
FII family type
In the year 1958, we designed our first types of FII tap changer. A device that will quickly become a highly flexible model in terms… Read More »FII family type
First rotary tap changer
Following customer requirements, we designed and produced our first rotary type tap changer in 1954. It was a 5 positions, 3 phases, 17,5kV and 64… Read More »First rotary tap changer
Contact us
Custom solutions We understand that standard products or off-the-shelf solutions may not always meet the intricate needs of our customers. At ASP, our proven history of innovation and deep expertise enable us to collaborate with you in developing a personalized solution that precisely aligns with your specific requirements. Please enable JavaScript in your browser toRead More »Contact us
ASP worlwide
Delivering the world 0 Years of experience 0 Tap changers in operation 0 Tap changer produced each year 0 Countries 1961 1964 1965 1978 1979 1985 ASP operates on a global scale, collaborating with partners and clients across Europe, the Americas, Asia, and the Middle East. Our expertise in precision engineering, combined with a deepRead More »ASP worlwide