TT7300 Gatebox TT 90 to 180 kVA

The TT step down transformer (Gatebox) is designed to step down the high 400Hz transmission voltage supplied by a centralised Ground Power System.

The system can be installed either on the apron or beside a boarding bridge. It is also available as a two-cabinet version. Using the latest state-of-the-art technology and newest trends in the power electronics field and digital control, the TT offers the best solution for aircraft ground power supply systems.

Rating 90 to 180 KVA

electronically regulated output voltage (by thyristors)
fully-controlled by microcontrollers
remote voltage sensing
high degree of user-friendliness
interface for remote control and centralised control / indication,
PC or modem connection
special earth leakage protection