Low Voltage Withdrawable Switchgear Enclosure (3rd Superset)
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Low Voltage Withdrawable Switchgear Enclosure (3rd Superset)
Flexible, modular, and cost‑effective drawout switchgear
Low voltage withdrawable switchgear enclosure (3rd Superset) combines a flexible C‑profile frame, a complete range of drawout drawers, and reliable operating mechanisms – delivering a cost‑effective solution for low voltage power distribution.
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Product Details
Frame Structure
- Modular C‑profile Construction: The frame is assembled using 25‑mm module C‑profiles. No special tools are required, allowing easy assembly into various switchgear configurations.
- Top‑mounted Horizontal Busbar: Busbar supports can be flexibly positioned according to current rating and breaking capacity requirements.
- Removable Top Cover: The busbar compartment top cover is detachable, simplifying busbar installation on site.
- Hinge Options: Choose between concealed hinges or regular hinges. Both are screw‑fastened to the door panel – no welding needed, ensuring clean finish and easy replacement.
Drawer
- Full Drawer Size Range – Accommodates various module heights: 8E/4, 6E/2, 8E/2, 6E, 8E, 12E, 16E, 24E (E = 25mm).
- Withdrawable Functional Units – Standard drawout design for safe isolation and maintenance.
- Communication Ready – Optional communication plug‑ins can be added for smart monitoring and control.
- New‑generation Secondary Connectors – Direct plug‑in type significantly improves wiring efficiency and reduces production costs.
Mechanism
- Operating Mechanisms – Available in hand‑pull (direct‑handle) and hand‑cranked (racking) types to suit different drawer sizes and current ratings.
- Clear Position Indication – Test, connection, and disconnect positions with mechanical interlock for safe operation.
- Reliable Plug‑in/out – Smooth insertion and extraction with consistent contact pressure.
| Parameter | Value |
| Rated operational voltage (Ue) | AC 690V |
| Rated insulation voltage (Ui) | 1000V |
| Rated impulse withstand voltage (Uimp) | 8kV / 12kV (optional) |
| Rated frequency | 50/60 Hz |
| Rated current (busbar) | Up to 6300A (subject to configuration) |
| Rated current (drawer unit) | 80A, 125A, 160A, 250A, 400A, 630A |
| Rated short‑time withstand current (Icw) | Up to 100kA / 1s |
| Rated peak withstand current (Ipk) | Up to 220kA |
| Protection rating (IP) | IP30, IP31, IP40, IP54 (optional) |
| Internal separation (form) | Form 1, 2, 3, 4 (as per customer requirement) |
| Busbar phase clearance | 55mm (standard), 50mm (optional) |
| Busbar thickness | 6mm (standard), 5mm (optional) |
| Drawer module height (E) | 25mm |
| Drawer sizes available | 8E/4, 6E/2, 8E/2, 6E, 8E, 12E, 16E, 24E |
| Operating mechanism types | Hand‑pull (direct‑handle) / Hand‑cranked (racking) |
| Applicable standards | IEC 61439-1 / IEC 61439-2 |
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