ATSS6000 - 230/110V 6000VA step-down autotransformer
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230/110V 6000VA step-down autotransformer without housing, for powering low and medium size appliances originated in USA, Japan, Canada and other countries with 100 - 115V electricity.
How to select transformer (converter, power supply adaptor) for 110 V USA appliances?
Manufacturers usually print appliance’s parameters on the attached tag, displaying its power in Watts [W]. In that case it’s simple. If the power is for example 245 W, select a transformer that is closest to that value on the available list, adding an extra margin of power for safety. In this example, a 300VA transformer should be selected. Some manufacturers display parameters in Amperes [A]or [Amps] as an electric current required for proper operation; for example 2.7 A or 2.7 Amps. You then need to multiply number of Amperes by 120. In this case 2.7 x 120 = 324. The result represents the approximate power of transformer needed. After adding a safety margin of at least 20%, 400 VA transformer should be selected.
The power of a transformer must always be higher than the power of the apliance connected to that transformer. Otherwise, either unit can sustain serious damage.
Step-down and step-up transformers of 1000VA and above can generate a significant inrush current. A soft-start system with inrush current limiter is recommended.
|Inrush current limiter||No|