220v 12v Power Transformer

We are offering 220v 12v power transformer.
Toroidal transformer input could be provide with single ,double or triple
voltage winding,output can be provide from single to several
winding.the capacity from 20va to 25000va,with their high efficiency ,
smaller in size, lower in weight, less mechanical hum ,low exterior
magnetic field, low off load losses without size limit and single mounting
point ,our toroidal transformers are widely applied to audio
equipment,medical equipment,stage light ,medical equipment,etc
advantages of toroidal transformers
 high efficiency
 smaller in size
 lower in weight
 less mechanical hum
 low exterior magnetic field
 low off load losses
 single mounting point
technical data
capacity: 20va-25000va
phase: single
input: ac power with voltages of various countries
output: ac current, voltage, according to customers requirements
frequency: 50-60hz
voltage regulation: 12%-3%
manufacture standard: gbt15290-94, gb19212-2006, gb2828-2829-
insulation class: b, 130 celsius degree; e, 120 celsius degree 87
temperature-rise: ≤85 celsius degree
winding conductor material; usual us copper, can use aluminum if you
have special requirements