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I know that Buck & Boost transformers are usually connected as autotransformers for making small changes in system voltage. Can I also use them directly as isolation transformers supplying low voltage such as 12V, 16V, 24V or 32V?

Issue:
Buck Boost Transformers used as standard Isolation Transformers

Product Line:
LV Transformers

Environment:
Applies to Low Voltage Transformers by SquareD/Schneider Electric

Cause:
Small Isolation Transformers with Low Voltage secondaries are often needed in certain applications

Resolution:

Yes. The `S43` series of Buck & Boost Transformers can be used for 120 - 12, 120 - 24, 240 - 12 or 240 -24 voltage applications. The `S46` series of Buck & Boost Transformers can be used for 120 - 16, 120 - 32, 240 - 16 or 240 - 32 voltage applications.  The `S82` series of Buck & Boost Transformers can be used for  240 - 24, 240 - 48, 480 - 24 or 480 -48 voltage applications.  In these applications, the nameplate kVA of the Buck & Boost Transformer must be equal to or greater than the load kVA. Connection instructions for this application are on the Transformer nameplate.


CTA-ID : 238
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