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Variable Transformers

These variable autotransformers are ideal for controlling AC voltage.
Single-phase enclosed versions can be placed upright or on their back for comfortable adjustment of the control knob, with carry handle(s) and most have an on/off switch. Single-phase open style versions are offered for incorporating into your own equipment/enclosures.
Three phase models are also available, open style and enclosed, starting from 5A. Very high current ratings are possible by assembling multiple units.
Other ratings from what you see here can be supplied, let us know your requirements.

Carryvolt with Meters and Sockets, 9A - MVTC-UK9A

Carryvolt with Meters and Sockets, 9A - MVTC-UK9A

Portable enclosed variable transformer with multiple output sockets, voltage and current meters for general indication, and cable stowage.
Output variable 0 to 112% of input voltage.
9A rated (up to 2.5kVA)

Carryvolt with Meters and Sockets, 5A - MVTC-UK5A

Carryvolt with Meters and Sockets, 5A - MVTC-UK5A

Portable enclosed variable transformer with multiple output sockets, voltage and current meters for general indication, and cable stowage.
Output variable 0 to 112% of input voltage.
5A rated (up to 1.4kVA)

Variable Transformer, 1.1A - MVT0.3k/1.1A-1

Variable Transformer, 1.1A - MVT0.3k/1.1A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage
1.1A (up to 300VA)

Variable Transformer, 1.1A - MVT0.3k/1.1A-1E

Variable Transformer, 1.1A - MVT0.3k/1.1A-1E

Compact single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
1.1A (up to 300VA)

Variable Transformer, 3.5A - MVT1k/3.5A-1

Variable Transformer, 3.5A - MVT1k/3.5A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
3.5A (up to 1000VA)

Variable Transformer, 3.5A - MVT1k/3.5A-1E

Variable Transformer, 3.5A - MVT1k/3.5A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
3.5A (up to 1000VA)

Variable Transformer, 5A - MVT1.4k/5A-1

Variable Transformer, 5A - MVT1.4k/5A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
5A (up to 1.4kVA)

Variable Transformer, 5A - MVT1.4k/5A-1E

Variable Transformer, 5A - MVT1.4k/5A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
5A (up to 1.4kVA)

Variable Transformer, 9A - MVT2.5k/9A-1

Variable Transformer, 9A - MVT2.5k/9A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
9A (up to 2.5kVA)

Variable Transformer, 9A - MVT2.5k/9A-1E

Variable Transformer, 9A - MVT2.5k/9A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
9A (up to 2.5kVA)

Variable Transformer, 12A - MVT3.3k/12A-1

Variable Transformer, 12A - MVT3.3k/12A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
12A (up to 3.3kVA)

Variable Transformer, 12A - MVT3.3k/12A-1E

Variable Transformer, 12A - MVT3.3k/12A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
12A (up to 3.3kVA)

Variable Transformer, 18A - MVT4.9k/18A-1

Variable Transformer, 18A - MVT4.9k/18A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
Rated 18A (up to 4.9kVA)

Variable Transformer, 18A - MVT4.9k/18A-1E

Variable Transformer, 18A - MVT4.9k/18A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
18A (up to 4.9kVA)

Variable Transformer, 26A - MVT7k/26A-1

Variable Transformer, 26A - MVT7k/26A-1

Single-phase open-style variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
Rated 26A (up to 7kVA)

Variable Transformer, 26A - MVT7k/26A-1E

Variable Transformer, 26A - MVT7k/26A-1E

Single-phase enclosed variable transformer.
Output 0 to 100% or 0 to 112% of input voltage.
Rated 26A (up to 7kVA)

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