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15 Mar, 2026
Posted by Main Switchboard
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What Information Is Required to Quote a Switchboard?

What Information Is Required to Quote a Switchboard?

A strong switchboard quotation begins long before pricing is prepared. It starts with the quality of the information provided at enquiry stage.

When the scope is clear, the technical requirements are defined, and the project constraints are understood early, the quotation process is typically faster, more accurate, and easier for all parties to review. When those details are incomplete, the process tends to rely on assumptions, follow-up questions, and later revisions.

For contractors, consultants, facility managers, and project stakeholders, the objective is not to provide unnecessary documentation. It is to provide the right information so the switchboard can be quoted against the real project requirements.

Why the right information matters

Switchboards are rarely a simple standard product. Main ratings, fault levels, protection requirements, enclosure construction, metering, site conditions, compliance obligations, and delivery constraints can all influence the final design and cost.

The clearer these inputs are at the start, the more meaningful the quotation will be. A good quote is not only about price. It is about scope clarity, technical alignment, and confidence that the proposed board matches the needs of the project.

What information is usually required to quote a switchboard?

1. Project details

Every quotation should be tied to a clearly identified project.

  • Project name
  • Project reference or job number
  • Customer or company name
  • Site location
  • Main contact or attention line

This basic information helps ensure the quotation is aligned with the correct site, stakeholders, and project records.

2. Scope of supply

The requested scope should be clearly defined from the outset.

For example, is the enquiry for a main switchboard, a distribution board, a motor control assembly, or another custom switchboard solution? Is the requirement limited to board manufacture, or does it include specific accessories, metering, control functions, or other special features?

Clear scope definition reduces ambiguity around what is included, what is excluded, and what level of engineering is expected.

3. Drawings and supporting documents

Well-prepared supporting documents can significantly improve quotation accuracy and turnaround time.

Useful documentation often includes:

  • Single line diagrams
  • Switchboard schedules
  • Project specifications
  • Panel layouts
  • Equipment lists

If these documents are not yet available, a quotation may still be possible. However, the final price and scope may depend on assumptions or later clarification.

4. Electrical ratings and supply details

Electrical ratings are fundamental to switchboard design and pricing.

Key details may include:

  • Main switch rating
  • Fault rating or prospective short-circuit level
  • Supply voltage
  • Phase arrangement
  • Frequency
  • Busbar rating
  • Incomer type and rating

Without these details, it is difficult to confirm the correct equipment selection, protection arrangement, and physical board construction.

5. Outgoing feeders and protection requirements

The outgoing feeder schedule is often one of the most important parts of a switchboard enquiry.

It helps define the number of circuits, protective device types, ratings, and any special circuit requirements. It also has a direct effect on device quantities, internal layout, and the overall configuration of the board.

6. Form of segregation and compliance requirements

If the project requires a specific form of segregation, nominated standards, routine testing, or other compliance deliverables, those requirements should be identified early in the enquiry process.

These factors can influence the internal arrangement, enclosure layout, construction detail, documentation, and overall build approach.

7. Enclosure and installation requirements

The installation environment is just as important as the electrical schedule.

Relevant details may include:

  • Indoor or outdoor installation
  • Required IP rating
  • Mounting arrangement
  • Material or finish requirements
  • Available space or dimensional limits
  • Special environmental or site conditions

These requirements can materially affect enclosure design, component selection, and total project cost.

8. Metering, controls, and special features

Many switchboard projects require more than standard switching and protection.

Metering, surge protection, motor starters, interlocks, monitoring, control devices, and other custom functional requirements should be identified as early as possible. If these are introduced late, the quoted scope may need to be revised.

9. Delivery and programme requirements

Programme expectations should also be included at the enquiry stage.

If there is a required delivery date, shutdown window, staged delivery requirement, or fixed site programme, it is important to raise this early so timing can be assessed realistically.

What commonly causes delays in switchboard quotations?

Quotation delays often come back to the same missing pieces of information.

  • No outgoing schedule
  • Unclear fault level or main switch rating
  • Missing enclosure or IP requirements
  • Uncertain standards or consultant specification requirements
  • Scope described generally but not technically defined

These gaps do not always prevent pricing from being prepared, but they often mean more clarification is needed before the quotation can be relied on with confidence.

When expert advice is worth getting early

If a project includes custom requirements, consultant specifications, unusual installation conditions, or multiple unknowns, it is worth discussing the enquiry with an experienced switchboard team early in the process.

A short clarification step at the start can save time, reduce scope ambiguity, and improve the quality of the quotation that follows.

Final thoughts

The best switchboard quotations are built on clear information. They reflect not only pricing, but also scope definition, compliance requirements, and a practical understanding of what the project actually needs.

Providing the key project and electrical details early will usually lead to a faster, clearer, and more reliable quotation process.

Need help preparing a switchboard enquiry?

If you are planning a project and want guidance on the information needed for pricing, contact Clive Wilson Switchboards to discuss your requirements.

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