Auto-transformers

Electric power: 0.1 kVA - 12.5 kVA
Primary voltage: 400 V
Secondary voltage: 230 V

Electric power: 0.1 kVA - 25 kVA
Primary voltage: 400 V
Secondary voltage: 230 V

Electric power: 2000 kVA
Primary voltage: 3 kV

Electric power: 20 kVA

Electric power: 0.16 kVA - 33 kVA
Primary voltage: 400, 127, 230 V

Autotransformer - Plug In - Step Down Single winding, does not provide isolation, for use where equipment is already isolated and only voltage change is required. World wide applications, 50 or 60 Hz. operation, step ...

Electric power: 3.75 kW - 225 kW

... an auto-transformer offers important advantages in comparison with an E/I lamination core transformer, like smaller physical size and weight, 30-70% reduction (depending on secondary ...

... voltages, large auto-transformers are used to interconnect the 400kV-500kV systems with either the 230kV-275kV systems or 120kV-145kV systems (the exact values depend on the country being considered). ...