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Question 593 of 1,386

A simple, untapped, single-phase 480/120 VAC step-down control transformer is rated at 600VA at 60 Hz. Neglecting power factor, what is the rated secondary load current?

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nb nberner · Jun 12, 2019
Is there a formula for this?
Ch ChrisAK · Aug 17, 2019
P = IV, solve for I initial (600/480) = 1.25A

480/120 VAC --> 4 to 1 step down transformer --> 1.25A *4 = 5A