A product sample catalog for Siemens XL-II compact low‑voltage busbar trunking system, covering system overview, components, specs and installation.
The XL‑II compact busbar trunking system is Siemens’ high‑density solution for low‑voltage power distribution, offering a wide current range and high protection levels. It can be used between transformers and switchgear or to supply loads, replacing traditional cable installations.
The catalog provides system description, component details, technical data, configuration options, functional units, physical dimensions, design examples and installation guidelines, helping engineers design and install the system in various environments. This manual is written in Chinese.
| Rated current range | 400 A ~ 6300 A |
|---|---|
| Maximum tap‑off unit current | 1250 A |
| Maximum transformer connection current | 6300 A |
| Minimum dimensions (no tap‑off units) | see catalog table |
The straight trunking units are rated for currents from 400 A up to 6300 A.
For a single‑system vertical run, at least one spring bracket per floor is required; for a double‑system run, at least two per floor.