Three-phase autotransformer 230/400V 1 KVA reversible with box
Three-phase autotransformer 230/400V 1 KVA reversible with box
Three-phase autotransformer 230/400V 1 KVA reversible with box
Three-phase autotransformer 230/400V 1 KVA reversible with box
Three-phase autotransformer 230/400V 1 KVA reversible with box
Three-phase autotransformer 230/400V 1 KVA reversible with box

Three-phase 230/400V 10 KVA reversible autotransformer with box

€436.21 Tax included

360.5 tax excl.

ATT10

Three-phase 10kVA reversible autotransformer with metal case, which allows the adaptation of voltage from 230Vac three-phase to 400Vac three-phase or 400Vac three-phase to 230Vac three-phase. It also generates neutral.

Allows you to adjust the voltage in machinery, motors, pumps, etc., in an economical way.

Reference: ATT10 

three-phase autotransformer electrical diagram
Representative image for illustrative purposes, the item supplied will correspond to the specifications indicated.

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Three-phase autotransformer for voltage change, dry type, reversible, capable of generating neutral while transforming the voltage value. They are indicated when it is required to adapt the voltage in an economical way, without galvanic separation. Their usual field of application is the adaptation of voltages in machines, pumps, motors, etc. They are supplied in a metal box that provides an IP-23 insulation degree, connection by means of terminals.

Manufactured with low loss magnetic sheet providing high performance.

Technical characteristics:

  • Reference: ATT10 
  • Windings: Thermal class N 200ºC.
  • Transformation ratio 230/400V and neutral. Reversible.
  • Power: 10 KVA.
  • Apparent intensity:
    • 400Vac: 14.5A
    • 230Vac: 25.1A
  • Frequency: 50/60Hz.
  • Connection: Yn0.
  • Test voltage: 3KV between windings and ground.
  • Insulators: Thermal class F 155ºC YH 180ºC.
  • Protection: IP-23 (Metal Box ).
  • Ambient temperature: TA=25ºC.
  • Cooling: ANAN (Natural air).
  • Certificate: UNE-EN 61558, UNE-EN 60076.

 

Dimensions of three-phase Sevein autotransformers

The transformer is supplied without any type of overload protection; it is mandatory to install this to avoid overloading the transformer.
The power and intensity indicated are apparent, the active intensity provided by the transformer will depend on the power factor of the connected load.
Professional use material, install in compliance with the regulations in force at the installation site.

Questions

Question
Bonjour

J’ai actuellement une installation en triphasé tarif bleu
Auto transformateur 400/400 en 10kva (transfo d’isolement ?)
Peux-t’il régler le défaut d’isolement que j’ai actuellement chez ma cliente qui utilise une machine à coudre industriel dans ses locaux.
Le départ électrique de la machine 4x20a 300ma ne tombe pas mais il fait tomber le général EDF 500ma sélectif
Merci de votre retour
Answer
Bonjour,

La première chose que votre client devrait faire est de vérifier l'état de la machine, lorsque le différentiel se déclenche c'est parce qu'il y a un shunt, le différentiel fait son travail.

Cordialement
David on 09/03/2024 16:49:05
Question
Bonjour, dans ma maison / rue il y a que du triphasé SANS neutre, 3x230V. Je souhaite connecter une pompe à chaleur (à inverter/modulation) qui nécessite -400V /triphasé PLUS neutre ((L1,L2,L3,PE) -une puissance électrique maximale de 3,7 kW - qui absorbe max. 12 A. Est-ce que l'autotransformateur ATT-10 va permettre de brancher cette machine? Quel est l'efficacité de ce transformateur (% de perte?)
Answer

Bonjour,

l'efficacité de l'autotransformateur est de 97%

Merci pour votre demande,


Salutations

ADAJUSA

Niels on 02/08/2023 23:45:11
Question
Bonjour, Je souhaiterai transformer un réseau 230V TRI sans neutre en un triphasé 400V avec neutre. quelle sera la tension entre les trois phases notés 400V et le neutre générer? Merci(question un de novice).
Answer

Bonjour.

Selon les caractéristiques que vous indiquez, au moyen d'un transformateur triphasé entrée 230 Vac sortie triphasée 400 Vacn si nous mesurons entre la phase de sortie et le neutre, nous obtenons une valeur de 230 Vac.

Nos salutations

THOMAS ESPOSITO on 02/15/2022 17:30:23
Question
cual es el esquema de conexion con entrada de 220v y salida 380v. gracias de antemano.
Answer

Buenos días,

Es el que aparece en nuestra página web, Si se usa como reductor de tensión no es necesario la conexión  del neutro en el lado de 400vac.

https://adajusa.es/autotransformadores-monofasicos-y-trifasicos/autotransformador-trifasico-230400v-10-kva-reversible-con-caja-.html

Nota: Un autotransformador o transformador no puede convertir una linea monofásica en trifásica, ni elevar la potencia disponible.

Saludos

carlos on 10/05/2018 14:05:08
Question
¿Este transformador podría soportar una carga de 6kw, para alimentación de un equipo de aire acondicionado expuesto al sol?. Sería para Sevilla Espero su respuesta, un saludo
Answer

Buenos días,

Con el margen de seguridad que tendria, si.

Saludos

Manuel Olmo Aranda on 08/03/2018 11:30:49

Question about the product

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