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Transformers

Autotransformers are electrical transformers with one coil and different voltage taps. Via these different voltage taps, the different reduced voltages are available. The single winding of an autotransformer acts both as primary and secondary winding simultaneously. This makes it possible to obtain a smaller and lighter construction compared to classical dual-winding transformers. Autotransformers are integrated in Sentera transformer fan speed controllers for motor speed control in steps via voltage reduction, but they can also be used stand alone in applications that require a voltage reduction. Sentera has its own production line for autotransformers to guarantee optimal quality.
230 VAC Autotransformers
230 VAC Autotransformers
The ATR-1 series of autotransformers are light, compact 230 VAC transformers designed for switchboard mounting or applications requiring output voltages lower than the input voltage. They reduce the primary 230 VAC voltage in steps.
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400 VAC Autotransformers
400 VAC Autotransformers
The ATR-4 series of autotransformers are light, compact transformers designed for switchboard mounting or applications requiring output voltages lower than the input voltage. They reduce the primary 400 VAC voltage in steps.
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