Variable Transformers

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Mfr Part #	Quantity Available	Price	Series	Package	Product Status	Type	Output Type	Voltage - Output	Voltage - Supply	Input Type	Constant Current Load - Max	Size
221-B VAR XFMR 120/132VAC 2.5A Staco Energy Products Company	12 In Stock	1 : $318.00000 Bulk	200	Bulk	Active	Panel Mount	Terminals	120VAC, 132VAC	120VAC	Terminals	2.5A (0.33kVA)	2.940" Dia x 2.120" L (74.68mm x 53.85mm)
3PN1010B VAR XFMR 140VAC 10A Staco Energy Products Company	21 In Stock	1 : $1,001.70000 Bulk	3PN	Bulk	Active	Bench	Receptacle	140VAC	120VAC	Plug, 6' Cord	10A (1.4kVA)	6.960" L x 4.620" W x 5.500" H (176.78mm x 117.35mm x 139.70mm)
30M501C-2 VAR XFMR 120/140/240/280VAC 5A Staco Energy Products Company	5 In Stock	1 : $4,213.50000 Bulk	500	Bulk	Active	Panel Mount	Terminals	120VAC, 140VAC, 240VAC, 280VAC	120VAC, 240VAC	Terminals	5A (1.4kVA)	6.560" L x 5.250" W x 13.230" H (166.62mm x 133.35mm x 336.04mm)

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Variable transformers, or adjustable voltage transformers, allow the user to select an output voltage while maintaining a fixed amperage rating. These transformers have one voltage winding that is tapped at various points to provide multiple output voltages. They are available in bench or panel mount with receptacle or terminal output options, plug or terminal input options, and a wide variety of supply and output voltages.