About Autotransformers

Hammond 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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175B-NA


Autotransformers PlugIn/StepDown Auto 200VA/NA 230-115VAC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 24.1264

Multiples of: 1

200 VA   3.81 in4.5 in3.16 in
175A-NA


Autotransformers PlugIn/StepDown Auto 100VA/NA 230-115VAC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 55.9392

Multiples of: 1

100 VA   3.81 in4.25 in3.16 in
170AE


Autotransformers Auto, Hard-Wired Enclosed 100VA
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 68.328

Multiples of: 1

100 VA115 V Chassis4.13 in4 in3.13 in
170BE


Autotransformers 200VA 230 TO 115VAC
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 81.081

Multiples of: 1

200 VA115 V Chassis79.5 mm107.9 mm104.9 mm
170CE


Autotransformers 300VA 230/115
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 87.0246

Multiples of: 1

300 VA115 V Chassis79.5 mm120.7 mm104.9 mm
168C


hard wired line autotransformers
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 89.7422

Multiples of: 1

350 VA115 V85 V /95 V /105 V /110 V /115 V /125 vChassis79.5 mm101.6 mm96.8 mm
168D


hard wired line autotransformers
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 109.6604

Multiples of: 1

500 VA115 V85 V /95 V /105 V /110 V /115 V /125 vChassis95.3 mm101.6 mm115.8 mm
170DE


transformer - auto/lead connected line
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 118.6614

Multiples of: 1

500 VA115 V Chassis95.3 mm127 mm123.9 mm
170EE


transformer - auto/lead connected line
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 128.5362

Multiples of: 1

750 VA115 V Chassis95.3 mm152.4 mm123.9 mm
170E


Autotransformers 230/115V 750 VA
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This product is classified as Large/Heavy, additional shipping charges may apply. A customer service representative may contact you after ordering to confirm exact shipping charges.

Hammond Availability : 0
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USD 158.2191

Multiples of: 1

750 VA115 V Chassis95.3 mm139.7 mm115.8 mm
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