Three-phase autotransformers

For use in applications where the galvanic isolation is not required

Date: April 2, 2014 Category:

Three-phase autotransformers

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.

MODELS

 

TRT30

REVERSIBLE DRY TYPE 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.

REVERSIBLE
COPPER WINDINGS
NATURAL AIR COOLING
OTHER CHARACTERISTICS ON DEMAND

PRI VOLTAGE
230-400V

THERMAL CLASS
B / H

MAX AMBIENT TEMPERATURE
40ºC

FREQUENCY
50/60Hz

CLASS
I

PROTECTION INDEX
IP00 – IP23

DIELECTRIC STRENGTH PRI-SEC
> 3kV

STANDARDS
IEC/EN 61558
IEC 60076-11

 

RATED POWER

 

On request we can manufacture autotransformers with other voltages, with taps, with thermal switch, etc.

TRT30 500-200000VA

 

For further information about Three-phase autotransformers

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