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

3PN2210B VARIABLE TRANSFORMER 140V 22A Staco Energy Products Company	3 In Stock	1 : $1,630.00000 Box	3PN	Box	Active	Bench	Receptacle	140VAC	120VAC	Plug, 6' Cord	22A (3.08kVA)	10.850" L x 7.950" W x 6.310" H (275.59mm x 201.93mm x 160.27mm)
5021CT VARIABLE TRANSFORMER 280V 28A Staco Energy Products Company	3 In Stock	1 : $2,790.01000 Bulk	5000	Bulk	Active	Panel Mount	Terminals	240VAC, 280VAC	120VAC, 240VAC	Terminals	28A (7.8kVA)	17.940" L x 14.130" W x 7.250" H (455.68mm x 358.90mm x 184.15mm)
3PN1510B VARIABLE TRANSFORMER 140V 15A Staco Energy Products Company	2 In Stock	1 : $1,150.00000 Box	3PN	Box	Active	Bench	Receptacle	140VAC	120VAC	Plug, 6' Cord	15A (2.1kVA)	9.350" L x 6.240" W x 6.000" H (237.49mm x 158.50mm x 152.40mm)
5011CT-2S VARIABLE TRANSFORMER 280V 50A Staco Energy Products Company	2 In Stock	1 : $5,340.01000 Bulk	5000	Bulk	Active	Panel Mount	Terminals	280VAC	240VAC	Terminals	50A (14kVA)	21.560" L x 20.000" W x 13.250" H (547.62mm x 508.00mm x 336.55mm)
2510CT VARIABLE TRANSFORMER 140V 25A Staco Energy Products Company	1 In Stock	1 : $1,370.00000 Bulk	2500	Bulk	Active	Panel Mount	Terminals	120VAC, 140VAC	120VAC	Terminals	25A (3.5kVA)	7.950" L x 10.560" W x 4.660" H (201.93mm x 268.22mm x 118.36mm)
5021E-3Y VARIABLE TRANSFORMER 560V 28A Staco Energy Products Company	1 In Stock	1 : $9,450.02000 Bulk	5000	Bulk	Active	Panel Mount	Terminals	480VAC, 560VAC	240VAC, 480VAC	Terminals	28A (27.2kVA)	25.000" L x 22.270" W x 35.750" H (635.00mm x 565.66mm x 908.05mm)
6020CT VARIABLE TRANSFORMER 280V 35A Staco Energy Products Company	1 In Stock	1 : $3,410.01000 Bulk	6000	Bulk	Active	Panel Mount	Terminals	240VAC, 280VAC	120VAC, 240VAC	Terminals	35A (9.8kVA)	17.940" L x 14.130" W x 7.250" H (455.68mm x 358.90mm x 184.15mm)
2510 VARIABLE TRANSFORMER 140V 25A Staco Energy Products Company	1 In Stock	1 : $1,120.00000 Bulk	2500	Bulk	Active	Panel Mount	Terminals	120VAC, 140VAC	120VAC	Terminals	25A (3.5kVA)	8.310" L x 7.620" W x 4.380" H (211.07mm x 193.55mm x 111.25mm)
5M5021 MOTORIZED VRBLE TRANSF 280V 28A Staco Energy Products Company	1 In Stock	1 : $3,750.01000 Bulk	5000	Bulk	Active	Panel Mount	Terminals	240VAC, 280VAC	120VAC, 240VAC	Terminals	28A (7.8kVA)	15.120" L x 15.870" W x 13.880" H (384.05mm x 403.10mm x 352.55mm)
60M5011CT-2S MOTORIZED VRBLE TRANSF 280V 50A Staco Energy Products Company	1 In Stock	1 : $6,530.01000 Bulk	5000	Bulk	Active	Panel Mount	Terminals	280VAC	240VAC	Terminals	50A (14kVA)	21.560" L x 20.000" W x 14.120" H (547.62mm x 508.00mm x 358.65mm)

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Variable Transformers

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.