18-0-18 Stepdown Transformer 3A


In stock

SKU: 1156866
  1. Input Voltage: 230V AC
  2. Output Voltage: 18V or 0V
  3. 3 Amp Current Drain.
  4. 100% Copper Winding
  5. DIY projects Requiring In-Application High current drain.
  6. On chassis AC/AC converter.


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Brand: Generic
Category: Transformers
Tags: Transformer on Sale

18-0-18 3A Center Tapped Step Down Transformer is a general purpose chassis mounting mains transformer. The transformer has 230V primary winding and center tapped secondary winding. The transformer has flying colored insulated connecting leads ( Approx 100 mm long ). The Transformer act as step down transformer reducing AC – 230V to AC – 18V.

The Transformer gives outputs of 18V, 18V and 0V. The Transformer’s construction is written below with details of Solid Core and Winding.

The transformer is a static electrical device that transfers energy by inductive coupling between its winding circuits. A varying current in the primary winding creates a varying magnetic flux in the transformer’s core and thus a varying magnetic flux through the secondary winding. This varying magnetic flux induces a varying electromotive force (E.M.F) or voltage in the secondary winding. The transformer has cores made of high permeability silicon steel. The steel has a permeability many times that of free space and the core thus serves to greatly reduce the magnetizing current and confine the flux to a path which closely couples the winding.


  1. Soft Iron Core.
  2. 3 Amp Current Drain.
  3. 100% Copper Winding
  4. DIY projects Requiring In-Application High current drain.
  5. On chassis AC/AC converter.
  6. Designing a Battery Charger.


  1. Input Voltage: 230V AC
  2. Output Voltage: 18V or 0V
  3. Output Current: 3 Amp
  4. Mounting: Vertical mount type
  5. Winding: Copper

Package Includes:

1 x 18-0-18 Stepdown Transformer 3A

SKU: 1156866 Category: Tag:
Input Voltage (VAC)

230V AC

Output Voltage(V)

18V or 0V

Max. Output Current (Amp)


Mounting Type

Vertical mount type

Winding Type


Shipping Weight 2.282 kg
Shipping Dimensions 12 × 13 × 10 cm
15 Days Warranty

This item is covered with a standard warranty of 15 days from the time of delivery against manufacturing defects only. This warranty is given for the benefit of Robu customers from any kind of manufacturing defects. Replacement will be done against manufacturing defects.

What voids warranty:

If the product is subject to misuse, tampering, static discharge, accident, water or fire damage, use of chemicals & soldered or altered in any way.

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Country Of Origin: India