Datasheet and ratings
Identify the proposed model and the electrical ratings that the document must cover.
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Product image for reference. Confirm the proposed configuration and drawing for your project.
HEAKOR / Transformer enquiries
250 kVA Single-Phase Pad-Mounted Transformer
The 250 kVA Single-Phase Pad-Mounted Transformer from HEAKOR is a liquid-filled unit intended for high-capacity single-phase underground electrical distribution applications.
Listed product information
- Product type
- Pad-mounted
- Listed capacity
- 250 kVA
- Phase
- Single-phase
These details identify the listed product. The approved specification and drawing define the equipment supplied.
Quotation based on project requirements
Request a project quotationRead product informationOpen the document centreElectrical
Capacity · voltages · phase · frequency
Project
Application · destination · quantity · schedule
Documents
Specification · drawings · required approvals
Specifications, standards, certification scope and commercial terms are confirmed for the proposed equipment and project.
It may be considered for larger residential, commercial, institutional or utility projects when supported by the system design, load calculation and utility requirements.
250 kVA Single-Phase Pad-Mounted Transformer: Listed Product and Project Requirements
- Listed Capacity: 250 kVA
- Phase: Single-phase
- Product Type: Liquid-filled pad-mounted distribution transformer
- Installation: Outdoor, pad-mounted
Requirements to provide for engineering review
- Frequency: State the required site frequency, including 60 Hz where specified by the project.
- Primary Voltage: Provide the system voltage, phase-to-neutral voltage where applicable, grounding arrangement and utility specification.
- Secondary Voltage: State the required output voltage and connection arrangement.
- High-Voltage Interface: State any dead-front or live-front requirement and the required cable interfaces.
- Tap Requirements: Provide the specified tap range and increments, or mark TBC for review.
- Feed Arrangement: State the radial-feed or loop-feed requirement.
- Insulation Level: Provide the required BIL and primary voltage class, or mark TBC for review.
- Insulating Liquid: State any specified liquid and relevant environmental or fire requirements.
- Standards and Edition: Provide the project or utility specification. If IEEE C57.12.38-2025 is required, its scope and the proposed equipment must be reviewed together.
These inputs define the requested equipment. Available configurations, conformity, test evidence and supply scope require confirmation for the proposed design. A standard reference alone does not establish product conformity.
Applications
This rating may be considered for high-capacity single-phase loads in larger residential developments, commercial sites, institutional facilities and utility distribution systems.
Selection of a 250 kVA transformer must be supported by the project load study, system voltage, protection coordination and utility requirements.
Request a 250 kVA Single-Phase Pad-Mounted Transformer Quotation
Provide complete electrical ratings, quantity, feed arrangement, BIL, terminal requirements, protection devices, accessories, environmental conditions, destination country and applicable standards.
What should accompany a 250 kVA RFQ?
Include the load study or load schedule, system voltages, protection requirements, and utility specification. State the required tests and documentation. The requested capacity does not by itself establish suitability for the proposed distribution system.
Engineering Review
The voltage ratio, insulation coordination, taps, terminal configuration, enclosure, insulating liquid, protection scheme, accessories and applicable standard will be reviewed for each project.
The product image illustrates this transformer family. Final enclosure dimensions and terminal layout must follow the approved project drawing.
Request a technical quotation with your specification, quantity and destination. For other ratings, view the single-phase pad-mounted transformer collection.
Before requesting a quotation
Confirm the fit for your project.
A product name or capacity is the starting point. Include these requirements so the proposal can be reviewed against your project.
01
Electrical requirements
Capacity, primary and secondary voltages, phase, frequency, and any specified connection, impedance or tap requirements.
02
Installation requirements
Describe the feed arrangement, cable connections, cabinet access and site layout. Include the project or utility specification.
03
Documents and supply scope
State the required drawings, tests or approvals, quantity, destination and project schedule. Identify any mandatory requirements before quotation.
What if some specifications are not known yet?
Send the information you have and mark unknown items as to be confirmed. For a replacement, an existing nameplate, equipment photographs and site constraints help define the review. Final ratings and supply scope must be agreed in the quotation and approved documents.
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.
Outline and connection drawings
State the installation, cable-entry and clearance requirements you need to check.
Request for your projectTest and approval documents
Name the required tests, standard or approval, and the model or configuration concerned.
Request for your projectRequest 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 centreYour project / next step
Good decisions start with clear requirements.
Send the details you have. We can start the conversation while the remaining requirements are being confirmed.
Discuss your project