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Some product and technical content is available in English.

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Project documents

Transformer document centre

Prepare your enquiry, then request documents matched to the proposed model and configuration.

Prepare your enquiry

Start with a blank buyer checklist

Download a blank English checklist to organise the information you already have. Mark unknown details as TBC.

These are blank procurement checklists, not product datasheets, drawings, test reports or proof of certification.

Transformer RFQ checklist

Record your required electrical ratings, installation conditions, quantity, destination and document requirements.

What is in the checklist?
  • Capacity, primary and secondary voltages, phase, frequency, and any specified connection, impedance or tap requirements.
  • Installation and project checks
  • State the required drawings, tests or approvals, quantity, destination and project schedule. Identify any mandatory requirements before quotation.
Download English TXT

Replacement information checklist

Record the existing nameplate, connection and mounting details, site constraints and photographs for a replacement review.

What is in the checklist?
  • Start with the existing nameplate, equipment photographs and installation constraints.
  • Capacity, primary and secondary voltages, phase, frequency, and any specified connection, impedance or tap requirements.
  • State the required drawings, tests or approvals, quantity, destination and project schedule. Identify any mandatory requirements before quotation.
Download English TXT

Project documents

The right document. For the right model.

Tell us which documents your project needs. Availability and applicable scope are confirmed for the proposed model and configuration.

01 / DOCUMENT

Datasheet and ratings

Identify the proposed model and the electrical ratings that the document must cover.

Request for your project
02 / DOCUMENT

Outline and connection drawings

State the installation, cable-entry and clearance requirements you need to check.

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03 / DOCUMENT

Test and approval documents

Name the required tests, standard or approval, and the model or configuration concerned.

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Request documents for your proposed configuration

Include the model or product type, capacity, voltages, frequency and destination. Ask for the report number, date and test scope so you can check that the documents match the proposed configuration. An individual report does not establish certification for every model or destination.

When reviewing a document, match the legal entity, model, rating, applicable scope and issue date to your proposed equipment.

Read the certificate-scope guideOpen the document centre

Project documents

Check that the documents match

Compare these details before relying on a datasheet, drawing, report or certificate. Flag any mismatch for clarification.

Read the certificate-scope guide
  1. Legal entity and document holder
  2. Model and proposed configuration
  3. Rating, voltage, phase and frequency
  4. Document number, revision and issue date
  5. Applicable standard, tests and approval scope

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Prepare a project enquiry

Share what you already have

A specification, drawing or nameplate is a useful starting point. You do not need to complete every field before contacting HEAKOR.

Request a specification reviewEmail supporting files

You can email attachments or paste a shareable document link into the enquiry form. Check that the recipient can access it. Document availability and equipment suitability require confirmation.