Three-phase voltage stabiliser STS-5-250-380-A-U3

STS-5 rated at 250kVa is a three-phase industrial voltage stabiliser with energy saving function, increased mechanical strength and unique ability to operate in harsh climatic conditions. It is designed for automatic and simultaneous stabilisation of interphase (380V) and phase (220V) voltage in AC network with deaf-earthed or insulated neutral in unstable power grids, in severe climatic conditions and in continuous power supply mode. The stabiliser allows operation in non-symmetrical modes, in which the load current non-symmetry is from 5 to 100% and the supply network voltage non-symmetry is from 2 to 20%.