DEETAP SPT, Linear de-energized tap-changer for the medium power range

DEETAP SPT is a product family of compact linear de-energized tap-changer for small power transformers, perfectly suited for installation on the winding side. A modular drive concept with manual and motor-drive units offers maximum flexibility in the integration of the de-energized tap-changer into the transformer.

 

Technical Data
DEETAP SPT Model 025 SPT Model 030
Max. rated through-current 600 A 800 A
Number of phases I / III I / III
Highest voltage for equipment Um 72,5 – 170 kV 72,5 – 245 kV
Switching concepts e.g. Single-bridging DETC, double-bridging DETC, series-parallel DETC, star-delta DETC, DETC for special applications
Number of positions max. 11
max. 20 special design		 max. 9
max. 20 special design