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Tesar srl is a worldwide leader in the supply of cast resin transformers mainly used for energization of rails, metros, highspeed trains, tramways, braking energy recovery systems and auxiliary services for stations and signalling. The range of production includes transformers till 20MVA 52kV for every kind of application since 1979 and operates under ISO 9001 quality management system certification, it is an environmentally friendly company in line with ISO 14001 standards and it performs all activities in compliance with ISO 45001 safety standards. With more than 30 years of experience in...

Tesar offers a wide range of customized solutions for feeding rectifiers of all main producers: • Transformers with phase shifting for the supply of 6, 12 or 24 pulses rectifiers • Electrostatic screen between primary and secondary • Configuration for double secondary windings in interleaved (coupling factor > 0.9 or double storey (coupling factor < 0,2 ) • Network frequency 50Hz , 60Hz , 16 2/3Hz • Insulation classes F/F or H/H • Environmental, climatic and fire classes up to E4, C3, F1 • Overloads up to class IXa as per EN 50329-1 • Metallic enclosures for indoor and outdoor installation...

Tesar S.r.l. - Loc. Chiaveretto 37/B - 52010 Subbiano Arezzo - Italy - Tel. +39 0575 3171 - info@tesar.eu www.tesar.eu