The REVERSIBLE SINGLE-PHASE AUTOTRANSFORMERS PHONOVOX are apparatus which have been designed chiefly for solving the problems which arise on connecting electrical apparatus for industrial and domestic use to networks of different voltage.
Raise or reduce the mains voltage in order to provide the necessary voltage to the equipments.


Dry type transformer.
Norms: According to EN 61558-2-13.
Reversible Voltages 110/220 VAC.
Windings: Class H (180º).
Insulation: Class B (130º).
Intermittent use.
Winding without galvanic isolation.
Frequency: 50-60 Hz.
Degree of protection: IP-20.
Made with protective metal covers painted with epoxy resin.
Class I.
Not resistant to short-circuits.
Core protected against corrosion.
Metal handle included.
These models from 300 VA to 1.000 VA are supplied with American socket (110 V) and cable cord with Italian type plug (220 V).

*Under demand, they can be manufactured in other powers and different voltages of primary and secondary.
*All specifications listed in this brochure are subject to change without notice.

Technical specifications

Technical Especifications