• Soft starting/switching of 1-phase transformers • Rated operational voltage: up to 500 VAC, 50/60 Hz • Rated operational current: up to 63 A • LED-indication for operation and alarm The transformer soft starter TSE6-1 is an electronic relay with a new integrated soft start procedure which switches on single phase transformers without inrush current. It can either be transformer with EI-cut stripwound core or toroidal core with any secondary load or it can be a parallel connection of different types of transformers. The soft start procedure used is patented and works with the premagnetisation of the transformer. The TSE6-1 is available in three different versions: As compact version up to 16 A with internal thyristor and bypass relay or as control unit in combination with external thyristors or semiconductor relay with bypass contactor for high currents (> 16 A).