Start with the electrical schedule
Define supply characteristics, incomer, outgoing circuits and spare ways before choosing the enclosure.
Commercial Building Power Distribution
Commercial Building Power Distribution
Commercial distribution-board selection depends on rated current, outgoing ways, fault level, incomer arrangement, metering and installation constraints.
01 What problem does this project solve?
Commercial TP&N Distribution
Three-phase supply arrives at one point and leaves across dozens of circuits. The board has to hold up against the site's prospective fault level, carry metering and spare ways, and still fit the space the drawings allow.
- Three-phase supply into one distribution point
- Many outgoing ways, plus spare capacity
- Prospective fault level and breaking duty
- Metering and monitoring provision
- Surge exposure on commercial installations
- Cable entry, gland plates and access
02 What does one system need?
The devices a complete system requires.
03 How does LAIWO solve it?
One product set, mapped to each protection function.
Board, busbar and outgoing devices are quoted against the project's electrical schedule, so the submittal package matches what is actually supplied rather than a catalogue page.
| Project requirement | LAIWO solution |
|---|---|
| Distribution | TP&N distribution board |
| Overcurrent | MCB |
| Surge | SPD |
| Plug-in systems | MCB metal distribution box |
| Documentation | Drawings, schedules, declarations |
04 Why should buyers choose LAIWO?
A manufacturer that covers the whole chain.
OEM / ODMIn-house factoryEngineering supportTestingCertificationCustom configuration
Application overview
Start with the system requirement, then select the product.
A TP&N board is part of a wider electrical design, so a useful quotation needs more than the number of ways. The incoming supply, busbar rating, protective-device schedule, prospective fault level, metering and cable-entry plan all affect the configuration.
LAIWO’s commercial distribution path brings together TP&N enclosures, compatible protection devices and project documentation for panel builders, contractors, distributors and OEM partners.
Selection path
How a requirement becomes a controlled product package.
Each stage reduces ambiguity before samples, technical review and quotation.
Confirm current and fault duty
Match busbar and protective-device ratings to the project design and prospective fault conditions.
Plan installation details
Review dimensions, gland plates, cable entry, neutral and earth terminals, metering and access.
Build the submittal package
Identify the datasheets, drawings, schedules, declarations and labels the project team needs.
Frequently asked questions
Questions to resolve before quotation.
What is needed to quote a TP&N distribution board?
Provide rated current, system details, outgoing ways, incomer, protective-device schedule, fault-level requirement, metering or SPD options, quantity and destination market.
Are populated TP&N boards available?
Populated or project-configured supply can be reviewed where the outgoing schedule, compatible devices and required documentation are clearly defined.
Can dimensions and drawings be supplied?
Dimensional and installation information can be matched to the selected board reference. Request the current drawing with the quotation.
Technical & sales support
Next: evaluate the products themselves.
Choose the resource or sales route required for the next stage of product evaluation.
01 · Explore
View Catalogues
Review the existing product range before choosing a model or configuration.
Open downloads → 02 · VerifyGet Certificate Pack
Tell us the model and market so sales can match the relevant document scope.
Request documents → 03 · EvaluateRequest Samples
Share the product, rating, quantity and evaluation target for a sample discussion.
Discuss samples → 04 · SourceRequest a Quote
Send model, quantity, destination and OEM scope for a structured response.
Start an inquiry →