Block ST Transformer Range - Block ST 2500/4/23, The Block 2500VA Transformer 400V to 230V is a low inrush current control, safety, or isolation current transformer with screw connection terminals. Designed with a very good switch on behaviour thanks to reduced starting currents, plus high performance for the volume thanks to compact design, this high quality tranfsormer also has excellent corrosion protection and low noise thanks to BLOCKIMPEX vacuum impregnation. Block ST 2500/4/23, 2500VA Transformer, 400V to 230V
