Talema Electronic [ India ] Pvt. Ltd offers Printed Circuit Board Mounted Dual Secondary Power Transformer. Talema Electronic [ India ] Pvt. Ltd is an ISO 9001: 2000, ISO/TS - 16949: 2002 and ISO 14001: 2004 certified company. The Printed Circuit Board Mounted Dual Secondary Power Transformer is an encapsulated toroidal transformer available with two 115V, 50/60Hz primary windings suitable for connection in series to 230V supply, or parallel to 115V supply. The Power Transformer can be connected in Twin secondary windings in series or parallel or can be used independently.