High current switching

• Arc control / control fault conditions
• Overcurrent prevention
• Accounting / management

Options

Manual

• E-T-A: DC Disconnects & Arc Fault Detectors
• Hydraulic/Magnetic Circuit Breaker - http://www.intercomponents.nl/#!hydraulic–magnetic-circuit-breakers/c1z03

Automatic

• Relays
• IGBT’s
• Power MOSFET’s

Resources

• Hybrid switches in protective devices for low-voltage DC grids at commercial used buildings (PDF)
• MOSFET as a Switch
• Application note: Using MOSFETs in Load Switch Applications
• High Current DC Switch (MOSFET)