ATSS3500 - 230/110V 3500VA step-down autotransformer for USA campers and boats

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Price: 986,00 zł 986.00
Net price: 801,63 zł
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Product code: 4C2B-891B0_20131024114001


Step-down 3500VA 230/110V autotransformers for USA campers and boats. Equipped with inrush current limiter and screw terminals for use with large diameter cables.

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.


Transformers with a nomina power 1000VA and above produce a high inrush currentWe recommend using the inrush current limiter .


Technical data

Nominal power 3500VA
Output voltage 110V
Input voltage 230V
Casing type metal
Sockets screw terminal
Inrush current limiter No
Ground Yes
Overload protection fuse 16A
Weight 12,30kg
Size 300

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