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Three Phase AutoTransformers IP23

The three-phase autotransformers IP23 are used in installations where we need a voltage change but without any requirement regarding insulation or safety.
Description

The Three-Phase AutoTransformers Ip23 can be installed in places where metal protection is required, but without a high degree of demand and where galvanic isolation is not required.

 

Technical characteristics:

Type Autotransformer not circuit separator
Thermal class <63kVA: E (115ºC) / Ta=40ºC - >63kVA: F (140ºC) / Ta=40ºC
Winding Windings impregnated with varnish Class HC 200ºC
Connection group YNO
Frequencies 50 - 60Hz
Test voltage 3KV against mass
Rules <25kVA: EN-61558 / >25kVA: EN-60076 - EN-60726 - Directiva 2006/95CEE
Others Pass-through terminals or plates - Protection against electric shocks Class I -

Tropicalized - Lifting bolts from 31.5kVA
Degree of protection IP-23 epoxy painted metal envelope (RAL 7032), polyamide cable glands according to UNE20324-EN60529


REFERENCES:
There are different references of the AT series of three-phase autotransformers IP23.

Tabla de Autotransformador Trifasico IP23

 

Applications:
Three-phase IP-23 auto-transformers are used to:

 

Observations:
The three-phase IP-23 auto-transformers are manufactured according to IEC 96-2, IEC-742, EN-60742 and the indicated data can be modified as needed, without prior notice.

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