Manufactures of Instrument Voltage Transformers.

Instruform has been serving the electrical industry for over 40 years.

We specialise in Voltage Transformers that meet the most stringent specifications. We also specialise in medium voltage horizontally withdrawable Voltage Transformers.

We are proud of our proven track record and our technology innovations.

If you want a reliable instrument transformers give us a call or email.

We offer a full range of Voltage Transformers ranging from:


2.2kV (2,200V)




6.6kV (6,600v)




13.2kV (13,200V)






Single-Phase or 3-Phase

  • Classes 0.2 to 1
  • Protection classes (3P and 6P)
  • Spring charging
  • Solenoid closing
  • Measuring

Voltage Factors of 1.2/Continuous

1.5/30s and 1.9/8 hours

Types for the above include:
Stand-alone fixed pattern,
core, and windings for client-specific arrangements. Horizontally withdrawable arrangements.

To expedite your enquiry email a picture of the Specification Label on an Instruform Voltage Transformer.

All quotes will include labour, materials and testing.

Quotes exclude deliver and installation or transit damage.


Do you deliver?

No, Rarely if delivery is close to manufacturing plant and this is an extra cost.

Does your Factory do Acceptance Testing?

Factory Acceptance Testing is part of the quoted price. The VT will not be released until it have been fully tested. A completed Test Certificate will be supplied to customer after delivery.

Do you do installations?

No, Rarely and only regionally and this is extra cost

Technical Information

 Instruform’s Technical-Specifications

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