Description
Withdrawable MCCs are designed for motor-intensive facilities where service continuity and safe maintenance are critical. Each motor feeder can be isolated, withdrawn, and serviced with minimal impact on adjacent feeders, making this solution particularly effective for process industries, utilities, and plants that require high availability.
Application Advantages
- Simplifies maintenance and replacement of motor starter units.
- Helps reduce downtime during service interventions.
- Supports organized motor feeder management in large systems.
- Suitable for demanding industrial environments with frequent operational changes.
Technical Specifications
| Standard | Type-Tested Switchboard Assemblies (TTA) – IEC 61439-2 |
| Test Certificate | DNV GL, ASTA, EAC, CCC, DEKRA |
| Rated Insulation Voltage (Ui) | 1000 V |
| Rated Operating Voltage (Ue) | 690 V |
| Rated Impulse Withstand Voltage (Uimp) | 12 kV |
| Rated Current (Ie) | Main Busbar: 7010 A / Distribution Busbars: 2060 A |
| Form Of Separations | Up To FORM-4b |
| Connection Method | Bus-Duct / Cable |
| Degrees Of Protection | IP 30 to IP 54, Indoor (IEC 60529) |
| Extras | Tested for Resistance to Internal Arcing Acc. to En 61439-2 Supplement 1 |
Built for motor-intensive process plants, this withdrawable system provides high service continuity by integrating directly into coordinated Low Voltage Switchgear (LV Switchgear) schemes. It receives raw power from incoming Medium Voltage Switchgear (MV Switchgear) and Gas Insulated Switchgear (GIS) systems to manage heavy motor currents. This setup maintains a stable, safe, and highly maintainable flow for industrial electrical power distribution, working downstream of main Metal-Clad Switchgear assemblies.
