Shop Autotransformer Basics

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$1,694,024.38
12/16 MVA Conservator Substation Autotransformer- 220000V Delta Primary, 27600Y/16000 Grounded Wye S
Larson Electronics
$1,694,024.38
12/16 MVA Conservator Substation Autotransformer- 220000V Delta Primary, 27600Y/16000 Grounded Wye S
Larson Electronics
$721.86
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$721.86
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$509.15
Victron Energy Autotransformer 120/240V AC
Amazon.com
27
Free shipping
$509.15
Victron Energy Autotransformer 120/240V AC
Amazon.com
$5,298.43
9 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$5,298.43
9 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$3,428.18
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$3,428.18
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$2,278.53
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$2,278.53
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$103.55
tdgc2-0.5km Variable Transformer Autotransformer Regulator Input 0-130V 500W SZ
eBay
$103.55
tdgc2-0.5km Variable Transformer Autotransformer Regulator Input 0-130V 500W SZ
eBay
$52,038.16
300 Kva Autotransformer - 600V Delta Primary - 480V Delta Secondary - 3 Phase - NEMA 3R
Larson Electronics
$52,038.16
300 Kva Autotransformer - 600V Delta Primary - 480V Delta Secondary - 3 Phase - NEMA 3R
Larson Electronics
$5,617.07
30 Kva Autotransformer - 480/440/280/220Y Wye Pri. - 480/440/280/220Y Wye Sec. - NEMA 3R
Larson Electronics
$5,617.07
30 Kva Autotransformer - 480/440/280/220Y Wye Pri. - 480/440/280/220Y Wye Sec. - NEMA 3R
Larson Electronics
$2,921.34
15 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$2,921.34
15 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$485.00
Staco Energy Products 3PN1510, Variable Autotransformer, 120V, 15A, New In Box
eBay
Free shipping
$485.00
Staco Energy Products 3PN1510, Variable Autotransformer, 120V, 15A, New In Box
eBay
$8,116.13
10 Kva 3PH Autotransformer, 220V X 380V Delta Primary, 440V X 480V Delta Secondary, NEMA 3R, Ventila
Larson Electronics
$8,116.13
10 Kva 3PH Autotransformer, 220V X 380V Delta Primary, 440V X 480V Delta Secondary, NEMA 3R, Ventila
Larson Electronics
$11,106.88
160 Kva Zig Zag Autotransformer - 220V Delta Primary - 480Y/277V Wye-N Secondary - NEMA 3R - 60Hz
Larson Electronics
$11,106.88
160 Kva Zig Zag Autotransformer - 220V Delta Primary - 480Y/277V Wye-N Secondary - NEMA 3R - 60Hz
Larson Electronics
$26,620.79
45 Kva Encapsulated Autotransformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - C1D2 - NEMA 3R
Larson Electronics
$26,620.79
45 Kva Encapsulated Autotransformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - C1D2 - NEMA 3R
Larson Electronics
$24.32
$34.75
Espen Step-Down Non-Isolated Autotransformer Vetr480/277-375Va 120-005
eBay
30% off
$24.32
$34.75
Espen Step-Down Non-Isolated Autotransformer Vetr480/277-375Va 120-005
eBay
$351.97
Unox KVE1651A Autotransformer Kit Ve1651a 120/240V Replacement MPN
Voomi Supply
$351.97
Unox KVE1651A Autotransformer Kit Ve1651a 120/240V Replacement MPN
Voomi Supply
$115,502.23
750 Kva 3PH Autotransformer, 690Y/398 Wye-N Primary, 480Y/277 Wye-N Secondary, NEMA 3R, Ventilated,
Larson Electronics
$115,502.23
750 Kva 3PH Autotransformer, 690Y/398 Wye-N Primary, 480Y/277 Wye-N Secondary, NEMA 3R, Ventilated,
Larson Electronics
$115.00
Variable Autotransformer Type 3 Staco Energy Products Co. New In The Box
eBay
Free shipping
$115.00
Variable Autotransformer Type 3 Staco Energy Products Co. New In The Box
eBay
$22,015.83
75 Kva Autotransformer - 600Y/346 Wye Primary - 480Y/277 Wye Secondary - NEMA 3R
Larson Electronics
$22,015.83
75 Kva Autotransformer - 600Y/346 Wye Primary - 480Y/277 Wye Secondary - NEMA 3R
Larson Electronics
$990.00
75Kva Hammond Power Solutions Autotransformer 480/277V WYE To 422/244V WYE
eBay
Free shipping
$990.00
75Kva Hammond Power Solutions Autotransformer 480/277V WYE To 422/244V WYE
eBay
$509.15
Victron Energy ITR000100101 Autotransformer 120/240VAC-100A
SolarFlexion
1
$509.15
Victron Energy ITR000100101 Autotransformer 120/240VAC-100A
SolarFlexion
$13,673.00
ETI AT-10 - 10KVA Autotransformer, F-B108
TEquipment
$13,673.00
ETI AT-10 - 10KVA Autotransformer, F-B108
TEquipment
$181.41
Hammond Manufacturing 170F Hard Wired Autotransformer
Southern Electronics
$181.41
Hammond Manufacturing 170F Hard Wired Autotransformer
Southern Electronics
$48.00
STANCOR GSD-75 AUTOTRANSFORMER STEP-DOWN 230/115 75VA 0.65A
eBay
$48.00
STANCOR GSD-75 AUTOTRANSFORMER STEP-DOWN 230/115 75VA 0.65A
eBay
$950.00
Powerstat Variable Autotransformer 1256DT-2D With Electrical Diagram
eBay
Free shipping
$950.00
Powerstat Variable Autotransformer 1256DT-2D With Electrical Diagram
eBay
$395.00
Autotransformer 4Kva - Parts As-Is
eBay
$395.00
Autotransformer 4Kva - Parts As-Is
eBay
$2,164.22
5 Kva Prewired Autotransformer - 120V Primary Voltage - 230V Secondary Voltage - NEMA 3R, (2) 5' Cor
Larson Electronics
$2,164.22
5 Kva Prewired Autotransformer - 120V Primary Voltage - 230V Secondary Voltage - NEMA 3R, (2) 5' Cor
Larson Electronics
$524.25
Peak Scientific 06-3210 Dry Type Autotransformer (Best Offer!)
eBay
Free shipping
$524.25
Peak Scientific 06-3210 Dry Type Autotransformer (Best Offer!)
eBay
$49.99
Variac Variable Transformer 0-120V Autotransformer Power Supply
eBay
Free shipping
$49.99
Variac Variable Transformer 0-120V Autotransformer Power Supply
eBay
$451.35
Victron Energy, ITR000100001, Autotransformer 120/240VAC-32A
Inverter Supply
20
$451.35
Victron Energy, ITR000100001, Autotransformer 120/240VAC-32A
Inverter Supply
$199.99
VARIAC Autotransformer 71-A Variable Transformer 0-13VAC General Radio USA
eBay
Free shipping
$199.99
VARIAC Autotransformer 71-A Variable Transformer 0-13VAC General Radio USA
eBay
$4,789.84
3 Kva Autotransformer - 575Y/332 Wye Primary - 460Y/266 Wye Secondary - NEMA 3R
Larson Electronics
$4,789.84
3 Kva Autotransformer - 575Y/332 Wye Primary - 460Y/266 Wye Secondary - NEMA 3R
Larson Electronics
$255.00
VARIABLE AUTOTRANSFORMER - TYPE - 501
eBay
Free shipping
$255.00
VARIABLE AUTOTRANSFORMER - TYPE - 501
eBay
$451.35
$531.00
Victron Energy Autotransformer Autotransformer 120/240VAC-32A | Victron Energy
Intelligent Controls
20
14% off
$451.35
$531.00
Victron Energy Autotransformer Autotransformer 120/240VAC-32A | Victron Energy
Intelligent Controls
$4,823.84
75 Kva Autotransformer - 600Y/346 Wye Primary - 480Y/277 Wye Secondary - NEMA 3R - Wall Mount
Larson Electronics
$4,823.84
75 Kva Autotransformer - 600Y/346 Wye Primary - 480Y/277 Wye Secondary - NEMA 3R - Wall Mount
Larson Electronics
$280.00
Variable Autotransformer 7.5AMPS
eBay
Free shipping
$280.00
Variable Autotransformer 7.5AMPS
eBay
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Shop Autotransformer Basics

Sponsored
About our ads
$1,694,024.38
12/16 MVA Conservator Substation Autotransformer- 220000V Delta Primary, 27600Y/16000 Grounded Wye S
Larson Electronics
$1,694,024.38
12/16 MVA Conservator Substation Autotransformer- 220000V Delta Primary, 27600Y/16000 Grounded Wye S
Larson Electronics
$721.86
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$721.86
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$509.15
Victron Energy Autotransformer 120/240V AC
Amazon.com
27
Free shipping
$509.15
Victron Energy Autotransformer 120/240V AC
Amazon.com
$5,298.43
9 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$5,298.43
9 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$3,428.18
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$3,428.18
3-Phase Autotransformer 600-480V Or 480-380V
Maddox
$2,278.53
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$2,278.53
3-Phase Autotransformer 600-480-400-240-208V
Maddox
$103.55
tdgc2-0.5km Variable Transformer Autotransformer Regulator Input 0-130V 500W SZ
eBay
$103.55
tdgc2-0.5km Variable Transformer Autotransformer Regulator Input 0-130V 500W SZ
eBay
$52,038.16
300 Kva Autotransformer - 600V Delta Primary - 480V Delta Secondary - 3 Phase - NEMA 3R
Larson Electronics
$52,038.16
300 Kva Autotransformer - 600V Delta Primary - 480V Delta Secondary - 3 Phase - NEMA 3R
Larson Electronics
$5,617.07
30 Kva Autotransformer - 480/440/280/220Y Wye Pri. - 480/440/280/220Y Wye Sec. - NEMA 3R
Larson Electronics
$5,617.07
30 Kva Autotransformer - 480/440/280/220Y Wye Pri. - 480/440/280/220Y Wye Sec. - NEMA 3R
Larson Electronics
$2,921.34
15 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$2,921.34
15 Kva Zig Zag Autotransformer - 208Y/120V Wye Primary - 240Y/120 Wye Secondary - NEMA 3R - 60Hz
Larson Electronics
$485.00
Staco Energy Products 3PN1510, Variable Autotransformer, 120V, 15A, New In Box
eBay
Free shipping
$485.00
Staco Energy Products 3PN1510, Variable Autotransformer, 120V, 15A, New In Box
eBay
$8,116.13
10 Kva 3PH Autotransformer, 220V X 380V Delta Primary, 440V X 480V Delta Secondary, NEMA 3R, Ventila
Larson Electronics
$8,116.13
10 Kva 3PH Autotransformer, 220V X 380V Delta Primary, 440V X 480V Delta Secondary, NEMA 3R, Ventila
Larson Electronics
$11,106.88
160 Kva Zig Zag Autotransformer - 220V Delta Primary - 480Y/277V Wye-N Secondary - NEMA 3R - 60Hz
Larson Electronics
$11,106.88
160 Kva Zig Zag Autotransformer - 220V Delta Primary - 480Y/277V Wye-N Secondary - NEMA 3R - 60Hz
Larson Electronics
$26,620.79
45 Kva Encapsulated Autotransformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - C1D2 - NEMA 3R
Larson Electronics
$26,620.79
45 Kva Encapsulated Autotransformer - 480V Delta Primary - 480Y/277 Wye-N Secondary - C1D2 - NEMA 3R
Larson Electronics
$24.32
$34.75
Espen Step-Down Non-Isolated Autotransformer Vetr480/277-375Va 120-005
eBay
30% off
$24.32
$34.75
Espen Step-Down Non-Isolated Autotransformer Vetr480/277-375Va 120-005
eBay
$351.97
Unox KVE1651A Autotransformer Kit Ve1651a 120/240V Replacement MPN
Voomi Supply
$351.97
Unox KVE1651A Autotransformer Kit Ve1651a 120/240V Replacement MPN
Voomi Supply
$115,502.23
750 Kva 3PH Autotransformer, 690Y/398 Wye-N Primary, 480Y/277 Wye-N Secondary, NEMA 3R, Ventilated,
Larson Electronics
$115,502.23
750 Kva 3PH Autotransformer, 690Y/398 Wye-N Primary, 480Y/277 Wye-N Secondary, NEMA 3R, Ventilated,
Larson Electronics
$115.00
Variable Autotransformer Type 3 Staco Energy Products Co. New In The Box
eBay
Free shipping
$115.00
Variable Autotransformer Type 3 Staco Energy Products Co. New In The Box
eBay