Range of Motor Starting Auto Transformers for Korndorffer or similar close transitional starting systems .
These are designed to suit a specific application and can be dry type air cooled, open type for inclusion in a switchgear cubicle, enclosed type in a separate enclosure or liquid cooled transformer tank using mineral transformer oil or synthetic fluid .
Designed for input voltage ranges for many world wide systems.

Example: 440 / 3300 / 6600 /11000 /13800 /15000 /20000 volts , 3 phase , 50 / 60 Hz

Output tappings: To suit motor starting and motor torque conditions. Output tapping example: 100 % / 80 % / 60 % / 40 % .

Starts per hour and motor starting times: In accordance with BS / IEC or other international standards .

Equipments can be fitted with High Voltage Surge Diverters or supplied with control gear, timing equipment and contactors.

Illustrated right - Mineral oil filled Korndorffer Motor Starting Auto Transformer, plain tank design with large input and output tapping termination chambers.
Input: 6000 volts, 3 phase, 50Hz.
Tappings: 100 % / 60 % / 50 % / 40 %  
Rating: 5.2MW to start and run an oxygen producing plant in the USA.