Main Switchboard (MV)
medium
1 models total
Medium-voltage main switchboards (3.3-11 kV) for large vessel power distribution
1 manufacturers · 1 models
ABB
1
UniGear ZS1
Up to 12 kV, 4000A
· Electrical Power Distribution
· AIS MV Switchboard
Voltage
3.3-12 kV
Type
AIS MV Switchboard
Common Failures & Inspection Points
- Circuit breaker mechanism failure
- Busbar insulation degradation
- CT/VT calibration drift
- Arc flash from contamination
Service: Annual insulation resistance test. Clean busbars at drydock. Breaker mechanism service every 5 years. Arc-resistant design to IEC 62271.
Spare Parts: Ersatzteile über ABB oder zugelassene Vertriebspartner. Lead time: 2-6 Wochen.