The MNPV6HV-DISCO 4X-PSB combines up to 6 PV strings of up to 600VDC. The MNDISCOPSB Power Supply Board necessary for compatibility with the MidNite Solar Birdhouse comes pre-installed, as do six 15-amp, 600-volt touch-safe, DIN rail mounted fuses (10mm x 38mm) and MidNite's 600VDC surge protection device.
The red handle is lockable in the off position.