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The HUBBELL T1-81047 is a 0.050 kVA buck boost transformer designed for low-voltage electrical distribution applications. Buck boost transformers step voltage up or down by a small percentage, making them the standard solution when line voltage falls slightly above or below equipment requirements. At 0.050 kVA, this unit is sized for low-load circuits where precise voltage correction is needed without a full isolation transformer. Licensed electricians install this type of transformer as part of branch circuit work in both light commercial and residential settings.
This transformer is suited for applications where nominal supply voltage does not match equipment input requirements. Typical use cases include correcting voltage at motor loads, lighting circuits, and sensitive control equipment. The compact 0.050 kVA capacity makes it appropriate for single-device or low-draw circuits rather than panel-level correction. It is installed in-line between the supply voltage and the load, often in junction boxes or control enclosures.
Designed as an OEM-style replacement or field-install buck boost transformer for low-voltage branch circuit correction in residential and light commercial electrical systems.
Installation should be performed by a licensed electrician in accordance with NEC requirements for transformer installations. De-energize and lock out the circuit at the panel before making any connections. Verify input and output voltage requirements of the connected load before selecting buck or boost wiring configuration. Mount the transformer in a suitable enclosure with adequate ventilation per NEC guidelines.
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