Scope of Application :MV/HV Marine Switchboard operates ship and offshore power systems (0.4kV-15kV, 50/60Hz AC). It controls power distribution on main, emergency, and section boards, and protects large equipment like propulsion, thrusters, and pumps. It withstands harsh marine conditions including humidity, salt spray, vibration, and tilt.
Voltage Levels :3.3kV, 6.6kV, 7.2kV, 11kV, 12kV, 13.8kV, 15kV
Rated Current: 630A, 1250A, 1600A, 2500A, 4000A
Rated Short-Circuit Breaking Capacity (IEC 62271-100): 25kA, 31.5kA, 40kA, 50kA
Rated Short-Time Withstand Current (1s/3s): Matches breaking capacity ratings
IP Rating (IEC 60529): IP44 (indoor), IP56 (open deck)
Insulation Medium: Air-insulated (AIS) or SF₆ gas-insulated (GIS, for compact HV designs)