Three-phase transformers, single chamber, standard core Rated power: Rated voltage PRI: Rated voltage SEC: Short circuit voltage: Opened build transformers of general purpose for building into installations and industrial or power engineering devices. The transformers are made with Class I insulation and protection grade IP00, maximum ambient temperature 40°C, thermal class of insulation B (130°C), F (155°C) or H (180°C). Depending on the size and power, winding is made of copper or aluminum. Vacuum impregnation with insulating varnish. Manufactured in compliance with EN61558/60076. Due to the constant development of the construction and changes in technical requirements, Breve Tufvassons reserves the right to change the above parameters. ul. Postępowa 25/27, 93-347 Łódź, Poland tel. (42) 640-15-39, fax: (42) 640-15-41 [email protected], www.brevetrafo.com