About Autotransformers

Autotransformers

An autotransformer is a transformer with only one winding, which is wrapped around a set of core pieces. This winding acts both as the primary winding and the secondary winding of the transformer. Instead of having separate primary and secondary windings like a standard two-winding transformer, an autotransformer has only one winding and the voltage is stepped up or down as required. Autotransformers are generally much lighter, less expensive, and more space efficient than two-winding voltage transformers. They are commonly used to provide voltage adjustment in electric power distribution networks, and for things such as impedance matching for antenna designs and audio applications.
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Image  Information Image Stock Code(▲▼)Description
Manufacturer
Global Stock ⓘ (▲▼)Price(USD

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Enter Qty Power RatingPrimary Voltage RatingSecondary Voltage RatingMounting StyleLengthWidthHeight
  
           
N-2X


Autotransformers POWER AUTO-XFMR 115V@0.870A 230V CHASSIS MOUNT w/leads:
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Triad Availability : 0
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USD 20.1086

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100 VA   2 1/16 in4 mm31.75 mm
TS50-230V/115V-002


Autotransformer; 230VAC; Power:50VA; Usec.1:115V
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Indel Availability : 0
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USD 20.4635

Multiples of: 1

       
ATST200-115V/230V-001


Autotransformer; 115VAC; Power:200VA; Usec.1:230V
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Indel Availability : 0
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USD 35.5468

Multiples of: 1

       
4500-90FW34K999


TE Connectivity P&B Autotransformers AUTOISOLAT 480 VAC
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TE Connectivity Availability : 0
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USD 37.3893

Multiples of: 1

230 VA480 VAC277 VAC 90.4 mm63.5 mm44.58 mm
175C-NA


Autotransformers PlugIn/StepDown Auto 300VA/NA 230-115VAC
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Hammond Availability : 0
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USD 40.167

Multiples of: 1

300 VA   3.81 in5 in3.16 in
125-0F


Autotransformers Step Down Auto Transformer
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Bel Fuse Availability : 0
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USD 43.1406

Multiples of: 1

250 VA230 VAC to 115 VAC115 VAC to 230 VACChassis82.6 mm85.7 mm73 mm
ARM-3.0/4


Variable autotransformer; 230VAC; 3A; 1.9kg
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Breve Tufvassons Availability : 0
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USD 44.087

Multiples of: 1

       
170A


Autotransformers 100VA 230/115
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Hammond Availability : 0
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USD 47.0717

Multiples of: 1

100 VA115 V Chassis63.5 mm76.2 mm77.7 mm
ATST400-115V/230V-001


Autotransformer; 115VAC; Power:400VA; Usec.1:230V
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Indel Availability : 0
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USD 47.9266

Multiples of: 1

       
115-0F


Autotransformers Step Down Auto Transformer
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Bel Fuse Availability : 0
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USD 49.854

Multiples of: 20

150 VA230 VAC to 115 VAC115 VAC to 230 VACChassis69.9 mm85.7 mm73 mm
175A-NA


Autotransformers PlugIn/StepDown Auto 100VA/NA 230-115VAC
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Hammond Availability : 0
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USD 52.4968

Multiples of: 1

100 VA   3.81 in4.25 in3.16 in
110


Autotransformers Step Down Auto Transformer
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Bel Fuse Availability : 0
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USD 52.9249

Multiples of: 1

100 VA230 VAC115 VACChassis60.3 mm47.6 mm63.5 mm
112-0F


Autotransformers Step Down Auto Transformer
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Bel Fuse Availability : 0
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USD 55.1117

Multiples of: 1

120 VA230 VAC to 115 VAC115 VAC to 230 VACChassis63.5 mm85.7 mm73 mm
170C


Autotransformers 300VA 230/115
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Hammond Availability : 0
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USD 58.6332

Multiples of: 1

300 VA115 V Chassis79.5 mm101.6 mm96.8 mm
N-3M


Power Transformer 1500Vrms 85VA Wire Lead Flange Mount
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Triad Availability : 0
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USD 62.3164

Multiples of: 1

       
170AE


Autotransformers Auto, Hard-Wired Enclosed 100VA
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Hammond Availability : 0
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USD 64.1232

Multiples of: 1

100 VA115 V Chassis4.13 in4 in3.13 in
130


Autotransformers Step Down Auto Transformer
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Bel Fuse Availability : 0
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USD 67.4867

Multiples of: 10

300 VA230 VAC115 VACChassis98.4 mm82.6 mm98.4 mm
N-4MG


Autotransformers POWER AUTO-XFMR 115V@1.3A 230V CHASSIS MOUNT w/AC GROUND CORD & SOCKET: I
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Triad Availability : 0
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USD 70.1246

Multiples of: 1

       
170BE


Autotransformers 200VA 230 TO 115VAC
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Hammond Availability : 0
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USD 76.0914

Multiples of: 1

200 VA115 V Chassis79.5 mm107.9 mm104.9 mm
N-150MG


Autotransformers POWER AUTO-XFMR 230V@0.650A 115V CHASSIS MOUNT w/AC GROUND CORD & SOCKET
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Triad Availability : 0
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USD 77.3811

Multiples of: 1

150 VA    49.21 mm45.24 mm
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