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	50 In Stock	1 : €236.35000 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)
511 VAR XFMR 120/140VAC 5A Staco Energy Products Company	95 In Stock	1 : €312.32000 Bulk	500	Bulk	Active	Panel Mount	Terminals	120VAC, 140VAC	120VAC	Terminals	5A (0.7kVA)	4.160" L x 3.940" W x 2.380" H (105.66mm x 100.08mm x 60.45mm)
3PN1010B VAR XFMR 140VAC 10A Staco Energy Products Company	42 In Stock	1 : €624.63000 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)
291 VAR XFMR 120/132VAC 3A Staco Energy Products Company	21 In Stock	1 : €278.55000 Bulk	200	Bulk	Active	Panel Mount	Terminals	120VAC, 132VAC	120VAC	Terminals	3A (0.4kVA)	2.930" Dia x 2.310" L (74.40mm x 58.67mm)
3PN1210B VAR XFMR 120VAC 12A Staco Energy Products Company	13 In Stock	1 : €717.49000 Box	3PN	Box	Active	Bench	Receptacle	120VAC	120VAC	Plug, 6' Cord	12A (1.44kVA)	6.960" L x 4.620" W x 5.500" H (176.78mm x 117.35mm x 139.70mm)
1020B VAR XFMR 240/280VAC 3.5A Staco Energy Products Company	22 In Stock	1 : €540.22000 Bulk	1000	Bulk	Active	Panel Mount	Terminals	240VAC, 280VAC	120VAC, 240VAC	Terminals	3.5A (0.98kVA)	5.570" L x 4.380" W x 4.160" H (141.48mm x 111.25mm x 105.66mm)

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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.