Three-phase transformer 1 KVA ultra insulation with box
Three-phase transformer 1 KVA ultra insulation with box
Three-phase transformer 1 KVA ultra insulation with box
Three-phase transformer 1 KVA ultra insulation with box
Three-phase transformer 1 KVA ultra insulation with box
Three-phase transformer 1 KVA ultra insulation with box

Three-phase transformer 1 KVA 400/400+N ultra isolation delta-star enclosure IP23

Special manufacturing material
€330.08 Tax included

€272.79 tax excl.

Three-phase transformer of 1kVA of ultra isolation, with metallic case, that allows the adaptation of voltage between line and receiver in three-phase systems, 400Va to 400Vac (generates neutral). The triangle-star configuration, and having an electrostatic safety screen that filters and conducts unwanted signals and disturbances to ground, allows it to be very effective to isolate machines and installations sensitive to electrical noise.

Part number: TRTA1-Dyn11

Esquema-transformador-trifasico Dyn 400-400

Representative image for illustrative purposes, the item supplied will correspond to the specifications indicated.

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Three-phase transformer of ultra isolation, reversible, for galvanic separation of circuits or machinery, dry type, with electrostatic screen between primary and secondary.

This ultra isolation transformer provides a separation between primary and secondary circuits by means of a safety electrostatic screen, which filters and conducts unwanted signals and disturbances to ground. The degree of effectiveness of this screen depends directly on the quality of the grounding of the installation. Connection of the primary in delta and of the secondary in star with neutral, which provides a high degree of balancing between the phases and generates neutral at the output.

They are supplied in a metallic box that provides a degree of isolation IP-23, connection by means of terminals.

Manufactured with low-loss magnetic plate providing high performance.

Technical characteristics:


  • Reference: TRTA-1 Dyn11
  • Windings: Thermal class N 200ºC
  • Primary voltage: 400Vac
  • Secondary voltage: 400Vac
  • Power: 1KVA
  • Apparent current: 1,4A
  • Frequency: 50/60Hz.
  • Connection: Dyn11.
  • Test voltage: 3KV between windings and ground
  • Insulation: Thermal class F 155ºC and H 180ºC
  • Protection: IP-23 (Metal enclosure)
  • Ambient temperature: TA=25ºC
  • Cooling: ANAN (Natural air)
  • Certification: UNE-EN 61558, UNE-EN 60076

Dimensiones de transformadores trifásicos

The transformer is supplied without any type of overload protection, it is mandatory to install them to avoid overloading the transformer. The power and current indicated are apparent, the active current 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 place of installation.

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