Switchgear
LV switchboards
Main distribution and motor-control assemblies configured around the load schedule. Specify protection, separation, access and cable routing together.
Application & selection
Build from the load schedule.
Key information for configuration review
- Single-line diagram
- Incomer rating and short-circuit level
- Feeder list and form of separation
- Breaker brand preference
Technical overviewStart with the
Start with the
right specification.
Use this selection reference to prepare your project brief.
Reference values are not a model datasheet. Availability, standards and test coverage require confirmation for the offered equipment.
Download project sheets ↓Selection reference +
| Rated current | Up to 6,300 A main busbar |
|---|---|
| Short-circuit withstand | Up to 100 kA (Icw per design) |
| Form of separation | Form 1 to Form 4 |
| Incomers | Air circuit breakers, fixed or withdrawable |
| Feeders | MCCB, fuse-switch or withdrawable MCC modules |
| Standards | IEC 61439-1/-2; UL 891 for US projects where the design is listed |
Testing topics to confirm +
Confirm the applicable requirements, available reports and agreed test scope with the proposed manufacturer.
| Routine verification (every board) | IEC 61439: wiring, dielectric properties, clearances and creepage, protective circuit, mechanical operation |
|---|---|
| Design verification | Temperature rise, short-circuit withstand and dielectric properties for the design (IEC 61439) |
Project document package +
- Model-specific datasheet and approved drawings
- Applicable test reports and their coverage
- Inspection, packing and delivery requirements
Project resourcesBring your next project
Bring your next project
into focus.
Explore the equipment guide and prepare your requirements with our fillable project sheets.