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Three-phase autotransformers

TRT 30
 
 
 
 
 

TRT 30 THREE-PHASE AUTOTRANSFORMER

Three-phase reversible autotransformers, dry type, intended for use as voltage adapter when an economical solution is required in applications where the galvanic isolation or attenuation of disturbances are not required. The main applications include the voltage adaptation in motors, pumps, machines, air conditioning equipment. Connection with terminal blocks or with screws for flat terminals. Manufactured with electrical steel with low losses and copper windings. On request we can manufacture autotransformers with other voltages, with taps, with thermal switch, etc.


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reversible autotransformer TRT 30 IP00 Three-phase autotransformer TRT 30 IP23 Three-phase autotransformer

TRT 30 IP00 Three-phase autotransformer TRT 30 IP00
Reversible
Copper windings
Voltages: 230-400 V
Thermal class: B
Max. ambient temperature: 40°C
Frequency: 50/60 Hz
Class I
Protection index: IP00
Dielectric strength: > 3 kV
Natural air cooling
Vector group: Yn0 (with neutral)
Others characteristics on request
TRT 30 IP23 Three-phase autotransformer TRT 30 IP23
Reversible
Copper windings
Voltages: 230-400 V
Thermal class: B
Max. ambient temperature: 40°C
Frequency: 50/60 Hz
Class I
Protection index: IP23
Dielectric strength: > 3 kV
Natural air cooling
Vector group: Yn0 (with neutral)
Others characteristics on request
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