Toroidal transformer 2x12V 30VA
Toroidal transformer 2x12V 30VA
Toroidal transformer 2x12V 30VA
Toroidal transformer 2x12V 30VA
Toroidal transformer 2x12V 30VA
Toroidal transformer 2x12V 30VA

Toroidal transformer 2x12V 30VA

€34.65 Tax included

€28.64 tax excl.

Toroidal transformer 30VA, 230Vac input voltage and two 12Vac output windings, which can be connected in series to obtain a 24Vac output and a current of 1.25A, or in parallel to obtain a 12Vac output and a current of 2.5A.

Mounting by 2 metal discs, insulating washers and screw (included in the supply).
Output wires with color-coded identification of 20cm in length.


Part number: 7220010


Esquema transformador dos secundarios 12Vac Adajusa

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

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Single-phase toroidal transformer of 30VA, input voltage 230Vac and two 12Vac output windings, which can be connected in series to obtain an output of 24Vac and a current of 1.25A (apparent current), or in parallel to obtain an output of 12Vac and a current of 2.5A (apparent current).

This type of transformer is very suitable when reduced size and weight are required, with an improvement of up to 50% over other types of construction, very low losses in the copper under load, which translates into less overheating and high efficiency. Excellent vacuum/load regulation and very low noise level. Very low magnetic radiation.

Ring-shaped magnetic core in high permeability heat-treated silicon-steel sheet with losses lower than 1W/kg.
Mounting by means of 2 metal discs, insulating washers and screw (included in the supply).
Output wires with color-coded identification of 20cm length.

The main application of this type of transformers is for command and control in industrial automation, power supplies and for general applications. They are intended to supply electrical devices where galvanic isolation between circuits is required.


The supply includes:

  • Toroidal transformer
  • 2 metal discs
  • 2 insulating washers
  • Screw
  • Nut




Technical characteristics of the transformer:

  • Part number: 7220010
  • Type of transformer: Toroidal
  • Transformer primary voltage: 230Vac ± 10%
  • Frequency: 50/60 Hz
  • Transformer secondary (output) voltage: 12/24V, selectable by connection between output wires
  • Output voltage tolerance: ± 5%
  • Transformer power: 30 VA
  • Maximum current (output) of the transformer: 1.25/2.5 A, selectable by connection between output leads
  • No load/load regulation: 15%
  • Core losses: 0.3 W
  • Losses copper: 6W
  • Temperature rise: +40ºC
  • Windings: Enameled copper wire, thermal class H 180ºC
  • Voltage selection: by connection between output wires
  • Secondary connection: series-parallel
  • Dielectric strength higher than 3000V-1mn between primary and secondaries
  • Ambient temperature: 40ºC
  • Maximum overheating for class B: 95ºC
  • Fixing: Disks, screw/nut M4
  • Protection: IP-00
  • Weight: 0,55 Kg
  • Dimensions (AxBxC) 70x33x37 mm
  • Certificate: UNE-EN61558

Dimensiones transformador toroidal serie TD Adajusa

For other transformer types and models, please consult us.



Electrical connection

Esquema electrico transformadores seie paralelo Adajusa

The secondary windings can also be used independently, in this case, the available power for each of the windings will be 50% of the total power of the transformer.


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.

In the case of using a protection fuse in the primary, it is recommended to use the delayed type, to absorb the high inrush current characteristic of this type of transformers.



Professional use material, install respecting the regulations in force at the place of installation.

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