HEAKOR — TRANSFORMER REPLACEMENT INFORMATION CHECKLIST
Blank procurement template | English TXT | Revision 2026-10-06

Record the information available from existing documents and photographs.
Mark unknown details as TBC. Do not assume equal capacity means compatibility.
This is not a product datasheet, drawing, test report or proof of certification.
Entries describe the existing equipment and buyer requirements, not confirmed
HEAKOR equipment. Replacement suitability requires a configuration review.
Photograph only when safe and authorised; do not open or approach energised
equipment to complete this checklist.

1. PROJECT AND CONTACT
Company:
Contact name / email:
Project country / region:
Application:
Project stage:
Enquiry reference, if available:
Reason for replacement:
Number of units:
Target project / delivery date:

2. EXISTING NAMEPLATE AND RECORDS
Existing manufacturer:
Model / serial number:
Year, if shown:
Transformer family / installation type:
Rated capacity (kVA or MVA):
Phase:
Frequency (Hz):
Primary voltage (V or kV):
Secondary voltage (V or kV):
Connection / vector group / neutral arrangement:
Impedance (include the stated basis and conditions):
Taps / tap-changer details:
Cooling / insulation medium:
Temperature rise / insulation level / BIL, if shown:
Applicable standard / approval markings (record exactly as shown):
Existing drawing / manual number and revision:

3. CONNECTIONS, MOUNTING AND SITE
Outline dimensions and mounting / foundation drawing:
Terminal / cable / bushing arrangement:
Primary feed arrangement:
Neutral / grounding arrangement:
Switching, protection and accessories:
Cable entry positions and clearances:
Available footprint and access:
Transport / lifting / installation constraints:
Indoor / outdoor installation:
Ambient temperature / altitude / environment:
Other site constraints:

4. NEW REQUIREMENTS
Required change to capacity, voltages or configuration:
Current utility / project specification (title, number, revision):
Required standard(s) and edition(s):
Required tests, documents, certification / listing / approval scope:
Equipment scope and responsibilities:
Requirements that remain unchanged:
Details needing technical clarification:

5. SUPPORTING FILES AND PHOTOGRAPHS
Readable full nameplate photo:
Overall equipment photo:
Connections and mounting photos already available:
Outline drawing / one-line diagram / relevant specification:
File title, number and revision:
Shareable file link(s) (check recipient access):

NEXT STEP
Email supporting files to Heakor1@outlook.com, or paste a shareable file link
into the enquiry form at https://heakortransformer.com/pages/contact.
Do not include information you are not authorised to share.
The existing equipment, project specification and proposed replacement need
to be reviewed together. This blank checklist does not establish a drop-in
replacement, technical approval or electrical / mechanical compatibility.